<%BANNER%>
HIDE
 Front Cover
 Title Page
 Agenda
 Table of Contents
 Introduction
 History of AREC - Bradenton
 Current list of program leader...
 Facilities of AREC - Bradenton
 Research
 Acknowledgement
 Map: location of AREC


FLAG IFAS PALMM



Vegetable field day
ALL VOLUMES CITATION SEARCH THUMBNAILS PAGE IMAGE ZOOMABLE
Full Citation
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Permanent Link: http://ufdc.ufl.edu/UF00054244/00006
 Material Information
Title: Vegetable field day
Series Title: Bradenton GCREC research report
Physical Description: v. : ill., maps ; 28 cm.
Language: English
Creator: University of Florida -- Institute of Food and Agricultural Sciences
Agricultural Research & Education Center (Bradenton, Fla.)
Gulf Coast Research and Education Center (Bradenton, Fla.)
Publisher: University of Florida.
Place of Publication: Gainesville Fla
Creation Date: 1983
Frequency: annual
regular
 Subjects
Subjects / Keywords: Plants, Cultivated -- Field experiments -- Periodicals -- Florida   ( lcsh )
Plants, Protection of -- Research -- Periodicals -- Florida   ( lcsh )
Vegetables -- Diseases and pests -- Periodicals -- Florida   ( lcsh )
Vegetables -- Varieties -- Periodicals -- Florida   ( lcsh )
Genre: government publication (state, provincial, terriorial, dependent)   ( marcgt )
serial   ( sobekcm )
 Notes
General Note: Description based on: 30th (1973); title from caption.
General Note: Latest issue consulted: 43rd (1999).
Funding: Florida Historical Agriculture and Rural Life
 Record Information
Source Institution: Marston Science Library, George A. Smathers Libraries, University of Florida
Holding Location: Florida Agricultural Experiment Station, Florida Cooperative Extension Service, Florida Department of Agriculture and Consumer Services, and the Engineering and Industrial Experiment Station; Institute for Food and Agricultural Services (IFAS), University of Florida
Rights Management: All rights reserved by the source institution and holding location.
Resource Identifier: oclc - 62706005
lccn - 2005229077
System ID: UF00054244:00006

Table of Contents
    Front Cover
        Front Cover
    Title Page
        Title Page
    Agenda
        Page i
    Table of Contents
        Page 1
        Page 2
    Introduction
        Page 3
    History of AREC - Bradenton
        Page 4
    Current list of program leaders
        Page 5
        Page 6
    Facilities of AREC - Bradenton
        Page 7
        Page 8
        Page 9
    Research
        Page 10
        Page 11
        Page 12
        Page 13
        Page 14
        Page 15
        Page 16
        Page 17
        Page 18
        Page 19
        Page 20
        Page 21
        Page 22
        Page 23
        Page 24
        Page 25
        Page 26
        Page 27
        Page 28
        Page 29
        Page 30
        Page 31
        Page 32
        Page 33
        Page 34
        Page 35
        Page 36
        Page 37
        Page 38
        Page 39
        Page 40
        Page 41
        Page 42
        Page 43
        Page 44
        Page 45
    Acknowledgement
        Page 46
        Page 47
    Map: location of AREC
        Page 48
Full Text
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Vegetable Field Day
May 19, 1983


Institute of Food and Agricultural Sciences
University of Florida


Bradenton AREC Research Report BRA 1983 9

Agricultural Research and Education Center
Bradenton, Florida


-.< *







Agricultural Research & Education Center

Bradenton, Florida


35th Vegetable Field


Day


May 19,


1983


J. P. JONES, G. A. MARLOWE,JR. & W. E. WATERS, EDITORS


PRINTING:


Editorial Dept., IFAS

University of Florida

Gainesvllle, Florida


Bradenton AREC Research Report BRA 1983-9











Agricultural Research and Education Center, Bradenton
35th Vegetable Field Day Program
Field Day Coordinators John Paul Jones and George A. Marlowe, Jr.


Thursday, May 19, 1983

Moderator: R. M. Aalberg, Manatee County Extension Director

8:45 AM Assembly and Registration
9:15 Welcome and Introduction . .. W. E. Waters, Center Director
9:25 Extension Service in Florida Today
J. T. Woeste, Dean for Extension
9:40-12:00 noon Research Highlights by the Research and Extension Faculty
9:40 Fusarium Diseases of Tomato J. P. Jones
9:50 Tomato Breeding Update J. W. Scott
10:00 Solarization and Broad Spectrum Soil Fumigants A. J. Overman
10:10 Magnesium, Plant Nutrition and Disease Development S. S. Woltz
10:20 Bacterial Diseases of Tomato J. B. Jones
10:30 Leafminer Research on Tomato D. J. Schuster
10:40 Coffee Break


Moderator: Luther Rozar, Sarasota County Extension Director
10:55-11:55 Continuation of Research Highlights
10:55 Weed Control Programs for Vegetables J. P. Gilrea
11:05 Vegetable Variety Evaluation T. K. Ho
11:15 Tomato Nitrification Retardants and Trickle Irrigation
of Cole Crops A. A. Csizinsz
11:25 Water Requirements for Vegetables C. D. Stanl
11:35 Drip Irrigation of Tomatoes S. P. Kova
11:45 Stability of Root Environments Using Seepage
and Trickle Irrigation C. M. Geralds
12:00 noon 1:15PM Dutch treat picnic box lunch under the
oaks at AREC-Bradenton
1:30 4:00 Tour of research plots AREC-Bradenton
Moderators: P. Gilreath, Manatee Co. Extension Agent
R. Wilder, Hillsborough Co. Extension Agent
G. A. Marlowe, Jr. Extension Vegetable Specialist


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4:00


Adjourn











TABLE OF CONTENTS


Schedule of Activities ........................................................ i
Table of Contents ........ ............................... ............. ... 1
Introduction .................................................................. 3
History of the AREC-Bradenton ................................................. 4
Current List of Program Leaders ............................................... 5
Facilities of the AREC-Bradenton .............................................. 7
Guide to Field Plots at AREC-Bradenton ...................................... 9
FIELD TOUR: P. Gilreath, Manatee County Extension Agent
R. J. Wilder, Hillsborough County Extension Agent
G. A. Marlowe, Jr., Vegetable Crops Extension Specialist
TOUR STOPS:
#1 Evaluation of Heat Tolerant Tomato Inbreds .............................. 10
(J. W. Scott)
#2 Parthenocarpy in Tomato ........................................................ 11
(W. L. George and J. W. Scott)
#3 Sweet Corn, Sweet Pepper and Cauliflower Variety Trials ................... 12
(T. K. Howe and W. E. Waters)
#4 Cherry Tomato and Fresh Market Tomato Variety Trials .................... 15
(T. K. Howe and W. E. Waters)
#5 Soil Fumigation for Verticillium Wilt of Tomato ........................... 17
(A. J. Overman and J. P. Jones)
#6 Insecticides on Tomato .................................................... 18
(D. J. Schuster)
#7 Tank Mixes of Bacillus thuringiensis and Copper ......................... 19
(D. J. Schuster and J. B. Jones)
#8 Insecticides on Bell Pepper ........................................ ..... 20
(D. J. Schuster)
#9 Tomato Nematicide Trials ......................................... .... 21
(A. J. Overman and D. J. Schuster)
#10 Insect Resistance in Tomatoes ............................................. 22
(D. J. Schuster and J. W. Scott)
#11 Pickleworm Resistance in Cantaloupe ..................................... 23
(D. J. Schuster)
#12 Evaluation of Row Spacing and Bed Height on Vegetable Yield .............. 24
(C. M. Geraldson)
#13 N-Serve and Nutrient Spray Experiments .................................. 25
(A. A. Csizinszky)
#14 Water Conservation System for Seep Irrigation ........................... 27
(C. D. Stanley and J. W. Prevatt)
#15 Fumigants and Soil pH Adjustment for Control of Fusarium Diseases ......... 28
(A. J. Overman and J. P. Jones)
-1-










#16 Genetic Tolerance to Fusarium Race 3 .................................. 29
(J. W. Scott and J. P. Jones)
#17 Tomato Herbicides and Sencor Movement ................................. 30
(J. P. Gilreath)
#18 Herbicides for Cucumber, Cabbage and Collard ........................... 32
(J. P. Gilreath)
#19 Herbicides for Unmulched Tomato, Pepper and Squash ...................... 35
(J. P. Gilreath)
#20 Fungicides on Tomato and Pepper ......................................... 38
(J. P. Jones)
#21 Fertilizer and Lime Effects on Bacterial Leaf Spot of Tomato ............. 39
(J. B. Jones, J. P. Jones and S. S. Woltz)
#22 Bactericides for the Control of Foliar Diseases of Tomato ................ 40
(J. B. Jones)
#23 Trickle Irrigation Experiments with Tomatoes ........................... 41
(S. P. Kovach, A. A. Csizinszky and C. D. Stanley)
#24 Soil Fumigation via Drip Irrigation and Standard Shanks .................. 43
(A. J. Overman)
#25 Tomato Production with Trickle Irrigation .............................. 44
(C. M. Geraldson)
#26 Trickle Irrigation Experiments with Tomatoes ............................. 45
(A. A. Csizinszky and C. D. Stanley)

Acknowledgement of Industry Support for the Research Programs at the
Agricultural Research & Education Center, Bradenton, Florida ............. 46
Location of the AREC-Bradenton ............................... Inside Back Cover










INTRODUCTION


On behalf of the faculty and staff, I extend to each of you a most cordial
welcome to the Agricultural Research and Education Center at Bradenton. This
Center was initiated in 1925 as a one-man operation in Palmetto and the first
ornamental programs began about 17 years later. This Center, with affiliated
Agricultural Research Centers located in Dover and Immokalee, Florida, is a
Research and Education unit of the University of Florida's Institute of Food
and Agricultural Sciences.

In Bradenton we have four Extension Specialists and 16 state research
scientists from various disciplines of training who participate in all phases
of vegetable, ornamental horticultural and agronomic programs. Each research
scientist also holds an affiliate appointment with his subject matter depart-
ment at the University of Florida. This interdisciplinary team approach,
combining several research disciplines and a wide range of industry and
faculty contacts, often is more productive than could be accomplished with
limited investments in independent programs.

The Center mission is to develop and disseminate new scientific knowledge on
vegetable, ornamental and agronomic crops in Florida, so that agriculture
remains efficient and economically competitive with other geographic areas of
the world. Program areas of emphasis include: (1) genetics, breeding and
varietal development, (2) biological, chemical and mechanical pest management,
(3) production efficiency, culture, management and environmental stress,
(4) solar energy, energy conservation techniques and alternate energy sources,
(5) mechanization, harvesting and handling, (6) production quality, safety and
utilization and post-harvest physiology of horticultural crops, (7) air, water
and land management, (8) water utilization, conservation and management,
(9) advancement of the basic knowledge in disciplines, (10) student advisement
and teaching and (11) support of cooperative extension and public service.

Information presented in this publication summarizes the active research
projects under way this season on vegetable crops. We sincerely appreciate
your interest and support of these research programs and continuously solicit
your suggestions for improvement and ideas of industry needs from our
research and extension programs.







Will E. Waters
Center Director










HISTORY OF THE AGRICULTURAL RESEARCH & EDUCATION CENTER BRADENTON

The Agricultural Research and Education Center Bradenton originated in the
fall of 1925 with construction of the Tomato Disease Laboratory.

Tomato Disease Laboratory: In 1925, a 20-acre tract of county-owned property
in Palmetto was made available with the cooperation of the Manatee County
Board of Commissioners with money and equipment supplied by local growers.
The primary objective of the laboratory was to formulate a control of nail-
head spot of tomatoes. Later studies emphasized the breeding for resistance
to Fusarium wilt and the control of tobacco mosaic on tomatoes. In 1937, with
the expansion of the vegetable industry in Manatee County and surrounding
areas, the state legislature authorized new facilities for the research
program.

Vegetable Crops Laboratory: In August 1938, the Manatee County Commissioners
donated 80% of the purchase price of a 106-acre tract of land on the east side
of Bradenton. This expanded program led to the establishment of the Vegetable
Crops Laboratory. Following this relocation, horticultural, entomological and
soil studies were initiated on tomatoes, peppers, lettuce, sweet corn and
other vegetables. Since the laboratory was located in the gladiolus growing
area, the scope was further broadened in 1942 to include disease problems
confronting gladiolus growers.

Gulf Coast Experiment Station: In March 1951 at a meeting of the State Board
of Control, the Vegetable Crops Laboratory was given the status of a branch
station and was renamed the Gulf Coast Experiment Station. Investigations were
then initiated dealing with chemical weed control, nematodes and other soil-
borne pests. The ornamental phase was broadened to include chrysanthemums and
other commercial cut flowers.

In the late 1950's it became apparent that the facilities on the outskirts of
Bradenton were no longer adequate for the research program. In 1959 a 200-acre
tract of land was acquired eight miles east of Bradenton. All of the vegetable
experimental field programs were moved to this new location.

In 1965, upon completion of the construction of office and laboratory facilities,
farm buildings, greenhouses and a residence, all research programs were con-
ducted on this new land.

Agricultural Research and Education Center Bradenton: In 1971 the Gulf
Coast Experiment Station was renamed the Agricultural Research and Education
Center to emphasize the programs of both research and education.

Active programs are in process on production problems associated with
vegetables and ornamentals grown in the sandy soil of Florida.

AREC-Bradenton has administrative and research supervision over two satellite
stations: ARC-Immokalee (formerly the South Florida Field Laboratory) and
ARC-Dover (formerly the Strawberry and Vegetable Field Laboratory). The
former center specializes in vegetable nutrition and culture, etiology and
control of diseases and pasture research, while the latter is the hub of straw-
berry research in Florida, including breeding, horticultural and pathological
studies.










CURRENT LIST OF PROGRAM LEADERS, APPOINTMENT DATE, AND AREA OF SPECIALIZATION

Agricultural Research and Education Center
Bradenton, Florida

Waters, Will E., 1960, Horticulturist and Center Director. Administration, soil
and plant nutrition, and ornamental horticulture.

Chambliss, C. G., 1976, Extension Agronomist. Develop extension educational
programs and cooperative research programs on forage production for south
Florida.

Csizinszky, A. A., 1976, Assoc. Horticulturist, Production systems, crop
management and post-harvest studies of vegetable crops.

Engelhard, A. W., 1966, Plant Pathologist. Etiology and control of diseases of
ornamental crops.

Geraldson, C. M., 1951, Soils Chemist. Soil nutritional problems and their
relationship with cultural methods for vegetable production.

Gilreath, J. P., 1981, Asst. Horticulturist. Weed control of vegetable and
ornamental crops.

Harbaugh, B. K., 1975, Assoc. Ornamental Horticulturist. Systems for production,
harvesting, and marketing of ornamental crops.

Howe, T. K., 1979, Senior Biologist. Variety evaluation for ornamental and
vegetable crops.

Jones, J. B., 1981, Asst. Plant Pathologist. Ecology and control of bacterial
disease of ornamental and vegetable crops.

Jones, J. P., 1958, Plant Pathologist. Etiology and control of disease of
vegetable crops.

Kovach, S. P., 1982, Extension Water Specialist. Plan and implement
extension programs dealing with water requirements, water use efficiency
and water quality of commercial vegetable, ornamental and other crops
of south Florida.

Marlowe, G. A., Jr., 1975, Extension Vegetable Specialist. Develop extension
education programs and cooperative research on vegetable crops of southwest
Florida.

Overman, A. J., 1945, Nematologist. Etiology and control of nematode problems
on ornamentals and vegetables.

Prevatt, J. W., 1979, Extension Farm Management Economist. Develop extension
farm management educational programs in agriculture and cooperative research
on production economics of vegetable and ornamental crops.

Price, J. F., 1978, Asst. Entomologist. Identification, biology and control of
insects and mites of ornamental and strawberry crops.
-5-










Schuster, D. J., 1975, Assoc. Entomologist. Identification, biology and
control of insects and mites of vegetable crops.

Scott, J. W., 1981, Asst. Geneticist. Tomato variety development and genetics
of characters related to tomatoes.

Stanley, C. D., 1979, Asst. Soil Scientist. Soil-water relations for
ornamental and vegetable crops.

Wilfret, G. J., 1969, Geneticist. Breeding and development of new varieties
of cut flowers and other ornamental crops.

Woltz, S. S., 1953, Plant Physiologist. Physiology disorders and diseases of
vegetable and ornamental crops.

Burgis, D. S., 1946, Horticulturist. Emeritus. Vegetable production, weed
control and growth regulators.

Magie, R. 0., 1945, Plant Pathologist. Emeritus. Etiology and control of
diseases of ornamental crops with emphasis on gladiolus flower and
corm diseases.


Agricultural Research Center Dover, Florida

Albregts, E. E., 1967, Soils Chemist. Center administration, production, soil
and plant nutrition of strawberry and vegetable crops.

Howard, C. M., 1967, Plant Pathologist. Strawberry breeding and etiology and
control of strawberry and vegetable diseases.


Agricultural Research Center Immokalee, Florida

Everett, P. H., 1958, Soils Chemist. Center administration, soil and plant
nutrition, production and variety development of vegetable crops.







FACILITIES IN 1982 OF THE AGRICULTURAL RESEARCH & EDUCATION CENTER, BRADENTON


The Research and Education Center, Bradenton, has developed excellent new facilities since 1965. Each
scientist has available office, laboratory, greenhouse, and field areas as well as field and laboratory
technicians to support his research programs. The research facilities consist of 200 acres of sandy soil
located at the main Center, 42 buildings containing 33 offices, a library, 11 laboratories, 1 headhouse,
16 greenhouses, 12 storage buildings, 8 walk-in cold rooms, 2 large saran ranges for ornamental plants,
a maintenance shop, 4 irrigation wells, and a fleet of vehicles and tractors. The list below is a numerical
key to facilities shown in the photograph on the adjacent page.

KEY TO FACILITIES


State
Building Name Buildinq #


Numerical
Key


State
Building Name Buildinq #


Office and Laboratories
Ornamental Saran House
Sawtooth Greenhouse
Chemical Storage Building
Nematology Greenhouse
Ornamental Greenhouse
Entomology-Solar Greenhouse
Tomato Breeding Greenhouse
Ornamental Research Saranhouse
Plant Production House
Farm Storage Building
Speedl ing Greenhouse
Soil and Media Storage
Aluminum Storage Building
Irrigation Storage Building
Fumigant Storage Building/
Tomato Processing Shed
Pesticide Storage Building
Tomato-Genetics Greenhouse
Air Fumigation Greenhouse
Soil Sterilization Building
Herbicide Greenhouse
Plant Physiology Greenhouse


7601
7616
7644
7629
7647
7628
7635
7636
7626
7625
7633
7630
7643
7638
7640

7639
7609
7610
7632
7631
7611
7637


Ornamental Genetics Greenhouse
Horticultural Greenhouse
Entomology Greenhouse
Plant Pathology Greenhouse
Portable Greenhouse
Headhouse Laboratories,
Cold Room, Offices
Tomato Disease Screening
Greenhouse
Potting Shed and Implement
Shelter
Lawn Shed Location
Farm Equipment Building
Farm Maintenance
Graduate Student Mobile Home
Graduate Student Mobile Home
Educational Pavilion
Bulb Handling Building
Equipment Storage Building
Open Equipment Building
Residence
Security Trailer Location
Insect Rearing Chamber


Numerical
Key


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16

17
18
19
20
21
22


7627
7613
7614
7615
7042

7624

7642

7623

7605
7604
7634
7645
7641
7621
7607
7646
7602


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GUIDE TO FIELD PLOTS AT AREC-BRADENTON


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TOUR STOP #1


EVALUATION OF HEAT TOLERANT TOMATO INBREDS


Location:

Purpose:




Crop:

Field Set:

Treatment:


Operation:


Summary:


Block A, Land 11 (J. W. Scott)

Breeding work in this land involves evaluation of heat tolerant
inbreds to be selected for inclusion in summer trials in
Bradenton and Homestead for possible breeding line release. F2
generations segregating male-steriles also are being selected for
further crossing.

Tomatoes

February 21, 1983

25 heat tolerant inbreds
18 F2's segregating male-steriles

Normal fumigation, fertilization, fungicide and insecticide programs
will be carried out. Late in the crop, fungicides will be dropped
to insure selection pressure for gray leafspot and early blight.

Heat tolerant lines under consideration for breeding line release
have fruit size greater than the Taiwanese source of heat tolerance
plus various combinations of resistance to fusarium wilt,
vericillium wilt, and gray leafspot. Many have jointless stems
and improved firmness as well. The male-steriles are being
selected for improved fruit color or parthenocarpy in addition
to flower types conducive to cross pollination without
emasculation. Selected steriles are being used in an ongoing
backcross program with the eventual goal of having commercially
acceptable lines for release to breeders to use for hybrid seed
production.


-10-







TOUR STOP #2


PARTHENOCARPY IN TOMATO


Location:

Purpose:



Experiment 1:
(Land 13)

Experiment 2:
(Land 12)

Breeding Lines:



Operation:




Summary:


Block A, Lands A 12 and A 13 (W. L. George and J. W. Scott)

To breed tomatoes with improved fruit setting ability and fruit
quality when grown under environmental stresses using par-
thenocarpy (seedless fruit production).

To study the improvement of fruit setting and fruit quality
by combining genes for parthenocarpy and heat/cold tolerances.

To study the effect of plant size as controlled by pruning
on the expression of parthenocarpy in tomato.

Several breeding lines combining genes for seedless fruit
production, ability to set fruit in adverse environments,
and various plant growth habits are in the experiment.

Plants field set on February 18. Sprayed weekly for general
maintenance. Yield data are being taken on the number and
weight of seedless and seeded fruits. Fruit quality, par-
ticularly puffiness, is being evaluated.

Normally, the tomato plant produces seeded fruit after
pollination and fertilization of the flowers. However, these
processes depend on narrow environmental limits. Most
current varieties only set fruit when grown in a narrow
range of night temperatures (590 to 70u F). Also, when fruits
do set in adverse environments, fruit quality is often
inferior because of poor pollination. Parthenocarpic
tomatoes can set fruit naturally without seeds. They have
the remarkable ability to produce seedless fruits with
complete locule fill. We are studying this trait with the
idea of breeding tomato varieties with improved fruit
setting and improved fruit quality, particularly in stress
environments.


-11-







TOUR STOP #3


SWEET CORN VARIETY TRIAL


Block A, Land 13A (T. K. Howe and W. E. Waters)


Purpose: To evaluate super-sweet sweet corn varieties for
in west-central Florida.


yield and quality


Super-sweet sweet corn (sh2 sh2)

February 17, 1983

1. Florida Staysweet
2. AVX 2519
3. SX 639
4. SX 1969
5. SX 1009
6. Northern Super Sweet
7. Sugar Sweet
8. Extra Early (Early Extra Sweet)
9. Sweet Time
10. Extra Sweet 82
11. Summer Sweet 7200
12. Summer Sweet 7800


Operation:


Plants spaced on 12 inch centers in double rows. Beds spaced on 4.5
foot centers. Plants sprayed with insecticide once a week prior to
silk and twice a week after silk. Fungicide applied twice a week.
Harvests will be made appropriate to varietal maturity.


Summary: Cultivars will be evaluated for total yield, ear characteristics
(raw number, ear length, ear diameter and husk extension), stalk
height and plant stand.


-12-


Location:


Crop:

Set:

Entries:






TOUR STOP #3


SWEET PEPPER
VARIETY TRIAL

Location: Block A, Land 14 (T. K. Howe and W. E. Waters)

Purpose: To evaluate commercial varieties and advanced breeding lines for
yield and quality in west-central Florida.

Crop: Sweet (Bell) Pepper

Set: February 17, 1983

Entries: Replicated Trial:


1. Bell Boy
2. Better Belle
3. Big Bertha
4. Hybelle
5. Lady Bell
6. Pro Bell
7. Early Cal Wonder

Observational Trial:


ACX 824705
NCX 4012
NCX 4016
ACX 828428
Greene Belle
NCX 4014
NVH 3050
ACX 828434
P-7118


Operation:


Bell Tower
Big Bell
Resistant Florida Giant
Ma Bell
NV-3101
Crispy Hybrid
Keystone Resistant Giant


NCX 4018
Wonder Belle
NCX 4013
ACX 824701
Annabelle
Clovis
Espadon
ACX 828426
AYFR


Plants spaced 12 inches apart within and between double rows. Bed
spaced on centers of 4.5 feet. Plants sprayed twice weekly with
fungicide and once a week with insecticide for general maintenance.
Multiple harvests will be made to evaluate number, weight and size
of green fruit.


Summary: All varieties will be evaluated for marketable yield, harvest
interval, earliness, production per plant and other horticultural
characteristics.


-13-






TOUR STOP #3


CAULIFLOWER
VARIETY TRIAL SPRING PHASE OF 1982-83 SEASON

Location: Block A, Land 14A (T. K. Howe and W. E. Waters)

Purpose: To evaluate commercial cauliflower varieties for yield and quality
in west-central Florida.

Crop: Cauliflower

Set: February 17, 1983

Entries: Replicated Trial:

1. Christmas White
2. Corvilia
3. Danova
4. Igloo
5. Junal
6. Parma
7. Selection 174
8. Self Blanche
9. Self Blanche Improved
10. Snow Crown
11. Snow Diana
12. Snowflower
13. Snow King
14. Snow King 65
15. Snow Queen
16. Starlight
17. Tropical 55 Days
18. White Fox
19. White Rock
20. White Summer
21. White Top

Observational Trial: Forty-eight single plot entries.

Operation: Plants spaced 16 inches apart in a single row per bed. Beds on 4.5
foot centers. Plants sprayed twice a week with fungicide and once
a week with insecticide. Harvest will be made as individual curds
mature.

Summary: Varieties will be evaluated for marketable yield and curd
characteristics (size, weight, quality).


-14-







TOUR STOP #4


CHERRY TOMATO
VARIETY TRIAL


Location:


Block A, Land 15A-east (T. K. Howe and W. E. Waters)


Purpose: To evaluate commercial varieties and advanced breeding lines for
yield and quality in west-central Florida.

Crop: Cherry tomato

Set: February 17, 1983

Entries: Replicated Trial:


1067
Red Cherry Large
Sweet 100
Cherry Grande
814688-SBK breeding line
823280-1 breeding line
823203-1 breeding line


Observational Trial:


OBI.
OB2.
OB3.
OB4.
OB5.
OB6.
087.
OB8.
088.
OB9.
OB10.
OB11.
0B12.
0B13.
0B14.


AVX-7093
AVX-7094
Red Cherry Small
Sweetie
Small Fry VFN
823232
823236
3307-1
3311-1
4457-1
4461-1
3276-1
3286-1
820566


Operation:


Plants spaced 24 inches apart within single rows. Beds spaced on
4.5 foot centers. Plants sprayed twice weekly with fungicide and
once a week with insecticide for general maintenance. Multiple
harvests of red-ripe fruit will be made to evaluate yield and
quality.


Summary: All varieties will be scrutinized for fruit quality (shape, firmness,
gel color), yield and earliness.


-15-






TOUR STOP #4


FRESH MARKET TOMATO VARIETY TRIALS


Block A, Lands 15 and 15A-west (T. K. Howe and W. E. Waters)


Purpose: To evaluate commercial varieties and advanced breeding lines of
tomato for yield and quality in west-central Florida.

Crop: Fresh market tomato

Set: February 17, 1983

Entries: Replicated Trial:


Sunny
Duke
FTE 12
Hayslip
Flora-Dade
Walter PF
7065-ESBK
7060-ESBK
7045-EBK
7025-ISBK
7061-ESBK
7057-TSBK
Hybrid 58
Corda
Independence
D76121
Fla 1A
Fla 1B
7090-12
7097
7094


(ACE 8212)


Observational Trial:
to be harvested.


Operation:


Forty-nine entries, single plot entries, not


Plants spaced 24 inches apart within single rows. Beds spaced on
centers of 4.5 feet. Plants sprayed twice weekly with fungicide and
once a week with insecticide for general maintenance. Multiple
harvests will be made to evaluate number and weight of size-graded
mature green fruit.


Summary: All varieties will be scrutinized for earliness, total yields,
large fruit yields and fruit characteristics.


Location:








TOUR STOP #5


Location:

Purpose:


Crop:


Temperature
at Treatment:


Treatments:
1.
2.
3.
4.
5.


Operation:








Summary:


SOIL FUMIGATION FOR VERTICILLIUM WILT OF TOMATO

Block C, Land 3 (A. J. Overman and J. P. Jones)

To evaluate efficacy of soil fumigants for control of
Verticillium wilt and nematodes.

Tomato cv. 'Tempo'
Tomato cv. 'Walter'


Soil 4" deep: 60F
Air: 64F

Fumigant Percentage Broadcast Rate
Control
MBC 98/2 300 Ib/A
Vorlex 201 25 gal/A
Vorlex 201 25 gal/A
MBC 67/33 350 Ib/A


1. Fumigants were injected in 3 streams 8 inches apart and
6 inches deep.

2. Each plot was immediately covered with 1.25 mil polyethylene
film.

3. Treated March 30 and set with containerized transplants
April 13.

The test is still in the early stages. No results have been
obtained yet.


-17-






TOUR STOP #6


INSECTICIDES ON TOMATO


Location:

Purpose:


Crop:

Treatments:


Block D, Land 10 (D. J. Schuster)

To evaluate new insecticides for control of insects, primarily
Liriomyza spp., armyworms and stinkbugs.

Tomato var. 'Sunny'


Material


Check (water)
Ammo 2.5EC
Ammo 2.5EC
CGA 72662 75WP
CGA 72662 75WP
MK 936 0.15EC
MK 936 0.15EC
MK 936 0.15EC
Lorsban 50WP
Lorsban 50WP
Larvin 3.2F
Larvin 80DF
Zectran 2EC
Zectran 2EC
Zectran 2EC
DPX H-5249 7.2EC
DPX H-5249 7.2EC
Lannate 1.8L
Lannate 1.8L
Cymbush 3EC
Cymbush 3EC
CGA 72662 75WP +
Pydrin 2.4EC
Monitor 4EC


Lannate 1.8L


Lb ai/lO0 Gal
--
0.06
0.04
0.25
0.125
0.01
0.005
0.0025
1.0
0.75
1.0
1.0
0.75
0.5
0.25
1.0
0.5
1.0
0.5
0.06
0.04
0.125 + 0.5
0.2
1.0


Operation:







Summary:


Weekly sprays were begun April 7. During the season, the numbers
of total leafmines and those containing living and dead leafmine
larvae will be counted on foliage samples. The foliage will be
excised and held for leafminers and leafminer parasite emergence.
The plots will be harvested 2-4 times and the numbers and propor-
tions of fruit damaged by lepidopterous larvae and stinkbugs will
be determined. At least 5 plants from each plot will be agitated
and the numbers of dislodged insects counted.

Only CGA 72662 and MK 936 have demonstrated control of leafminers
in recent trials. The pyrethroids, Ammo, Cymbush and Pydrin, the
carbamates, Lannate and Larvin, and the organophosphates, Monitor
and Lorsban, all have demonstrated control of lepidopterous larvae
and, to varying extents, stinkbugs.


-18-







TOUR STOP #7


Location:

Purpose:



Crop:

Treatments:








Operation:


Summary:


INTERACTION OF TANK'MIXES OF BACILLUS THURINGIENSIS AND'
COPPER FUNGICIDE-BACTERICIDES

Block D, east end Land 9 (D. J. Schuster and J. B. Jones)

To evaluate in the field the possible influence of selected
copper compounds on the efficacy of Bacillus thuringiensis for
control of lepidopterous larvae.

Tomato var. 'sunny'

1. Check (water)
2. Dipel WP (B. thuringiensis)
3. Dipel WP + Kocide 101
4. Dipel WP + Tri-Basic Copper Sulfate
5. Dipel WP + Kocide 101 + Dithane M-45
6. Dipel WP + Tri-Basic Copper Sulfate + Dithane M-45

Treatments were initiated when plants first flowered. At irregular
intervals following selected sprays, leaflets from each plot will
be excised, placed in plastic cups with moistened filter paper and
infested with southern or beet armyworm larvae. Mortality will
be determined after 3-4 days. The plots will be harvested 2-4
times and the number and proportion of fruit damaged by
lepidopterous larvae will be determined. At least 5 plants from
each plot will be agitated and the number of dislodged
lepidopterous larvae counted.

Numerous fungicide-bactericide compounds were evaluated in the
laboratory for their impact on the efficacy of Dipel for inducing
mortality of beet armyworm larvae. Of these compounds, Kocide
101 and Tri-Basic Copper Sulfate significantly reduced the
efficacy of Dipel. When these laboratory studies were repeated
in the field, inconsistent results were obtained. In some trials,
the laboratory studies were substantiated, while in others they
were not. In a trial completed last fall, combining Kocide 101
with Dipel resulted in significantly more fruit injury. Adding
Manzate to the Dipel-copper combinations had no effect.


-19-






TOUR STOP #8


INSECTICIDES ON BELL PEPPER


Location:

Purpose:


Crop:

Treatments:


Block D, west end of Land 9 (D. J. Schuster)

To evaluate new insecticides for control of insects, principally
the pepper weevil, on pepper.

Bell pepper var. 'Early Cal Wonder'


Material
1. Check (water)
2. Ammo 2.5 EC
3. Ammo 2.5 EC
4. Lorsban 50 WP
5. Cymbush 3 EC
6. Cymbush 3 EC
7. Pay-Off 2.5 EC
8. Pay-Off 2.5 EC
9. Pay-Off 2.5 EC
0. Monitor 4 EC
1. Ambush 2 EC
2. Ambush 2 EC
3. Vydate 2 L
4. Pydrin 2.4 EC


Operation:







Summary:


Lb ai/lO0 Gal


0.06
0.04
1.0
0.06
0.04
0.08
0.06
0.04
1.0
0.4
0.2
1.0
0.1


Sprays were not initiated until the plants flowered since pepper
weevils primarily attack blooms and small fruit. Barriers were
constructed around each plot so that falling fruit could be
retrieved. This was done because fruit infested with pepper
weevil often abscise prematurely. All fallen fruit and all
marketable fruit will be examined for the presence of pepper
weevil larvae and adults. Fruit damaged by other insects such as
the beet armyworm and stinkbugs also will be noted.

Pydrin has consistently resulted in fewer pepper weevil infested
fruit in previous experiments. This material has recently been
given a Section 18 specific exemption for use on bell pepper
against the pepper weevil. Lorsban has also reduced the number of
weevil infested fruit but has sometimes reduced overall yield as
well. The previous work was done with an EC formulation of Lorsban.
The present experiment includes a WP formulation to see if this for-
mulation will also reduce overall yield. Monitor and Vydate have
been inconsistent in pepper weevil control in small plots. Ammo
is a pyrethroid, as is Pydrin, and has provided pepper weevil
control in the past.


-20-







TOUR STOP #9


TOMATO NEMATICIDE TRIALS


Location:

Purpose:



Crop:

Treatments:


Block D, Land 7 (A. J. Overman and D. J. Schuster)

To evaluate the efficacy of Standak compared to Furadan or
Nemacur.


Tomato cv. 'Duke'


Nematicide
1. Control
2. Standak 2.67F
3. Standak 2.67F
4. Furadan 1OG
5. Nemacur 15G


Broadcast Rate


2 lb ai/A
3 lb ai/A
16 lb ai/A
6 lb ai/A


Method


Watered
Banded
Banded
Banded


Operation:


Summary:


1. Rates per linear foot of bed were calculated to apply the
broadcast rate per gross acre of tomatoes, resulting in almost
9 times the rate in the treated area of the bud.

2. Banded applications were applied 8 inches wide on the flat
field and a 6 inch high bed was constructed over the band and
mulched.

3. Standak applied in transplant water was delivered into the
plant hole as .19g material in 4 oz. water.

4. Treated and transplanted March 17.

Initial nematode counts prior to treatment indicated a low
population of root knot nematode larvae and a moderate population
of stubby root nematodes were present.


-21-






TOUR STOP #10


INSECT RESISTANCE IN TOMATOES

Location: Block D, Land 6 (D. J. Schuster and J. W. Scott)

Purpose: To continue development of tomato germplasm resistant to the
tomato pinworm and Liriomyza spp. leafmihers.


Crop:


Tomato


Entries: 1. PI Nos. 126449 and 134417 are resistant parents (Lycopersicon
hirsutum).

2. 'Walter PF', 'Hayslip' and 'Burgis' are susceptible parents
(L. esculentum).

3. 072-080 and 180-194 are derivatives of crosses between
PI 134417 and L. esculentum.

4. 920 and 940 are derivatives of crosses between PI 126449 and
L. esculentum.

5. UF-763292 is a pubescent selection.


Operation:


Seedlings of all entries were screened in the laboratory first
with Liriomyza trifolii and second with the tomato pinworm. All
plants, regardless of the screening results, were planted in the
field to verify resistance under field conditions.


Summary: Both PI 126449 and PI 134417 have been shown to be highly resistant
to both Liriomyza leafminers and the tomato pinworm. The derivatives
072-080 and 920 and 940 are from the AREC-Bradenton breeding pro-
grams. Derivatives 180-194 were obtained from Dr. W. H. Greenleaf
of Auburn University upon his retirement. The 920 and 940
derivatives are resistant to both Liriomyza spp. and the tomato
pinworm. The most highly resistant derivatives are also those
that most resemble the wild resistant parent. This may ultimately
limit their usefulness in a breeding program. UF-763292 has
indicated resistance to Liriomyza spp. but is highly susceptible
to lepidoptera and stinkbug pests.


-22-







TOUR STOP #11

,PICKLEWORM RESISTANCE IN CANTALOUPE

Location: Block D, Lands 4 and 5 (D. J. Schuster)

Purpose: To continue development of cantaloupe germplasm resistant to the
pickleworm.

Crop: Cantaloupe

Entries: 1. 'Gulfcoast'
2. 'Seminole'
3. PI 140471
4. F2 (Seminole x PI 140471)
5. F2 (Seminole x PI 140471)
6. F2 (PI 140471 x Seminole)
7. F2 (PI 140471 x Seminole)
8. Fl (PI 140471 x Seminole)
9. F2 (PI 140471 x unknown)
10. Fl (PI 140471 x unknown)

Operation: Plants are treated weekly with Manzate. Every fruit will be
examined at maturation and the numbers of pickleworm larvae and
feeding holes will be counted.

Summary: The Fl's were evaluated in the field last spring and appeared
intermediate in resistance to the pickleworm when compared to the
resistant parent, PI 140471, and susceptible parent Seminole.
Cuttings were taken from plants which were least infested by
pickleworm larvae and which had the best horticultural character-
istics. Surviving cuttings were then selfed in the greenhouse.


-23-







TOUR STOP #12


EVALUATION OF ROW SPACING AND BED HEIGHT ON VEGETABLE YIELD


Location:

Purpose:


Crops:








Treatments:


Block I (C. M. Geraldson)

To evaluate the effect of variations in row spacing and water
table depth on root environment stability and yields of vegetable
crops using seepage irrigation.

Tomatoes (Duke, Sunny)
Peppers (Early Cal Wonder)
Cantaloupe (Ambrosia)
Sweet Corn (Silver Queen)
Cauliflower
Squash
Cucumber

All crops were set or planted 2/14 to 4/5

Three replicates


No. Row Spacing:

1. 1 row
2. 2 row
3. 7 row
Fertilizer:


Bed Height:


Results:


Linear Ft.:


18-0-25/100 ft.


4,840 32
6,450 24
7,260 21
1,500 Ibs/A 18-0-25
500 Ibs/A 0-20-0 + minor elements

High 8"
Low 6"


(Based on past evaluations)

1 row 30 Ibs/plant or 2904 units/A
7 row 27 Ibs/plant or 3920 units/A


($0.69/unit)
($0.76/unit)


-24-







TOUR STOP #13


Location:

Purpose:


Cul ti var:

Treatments:


EXPERIMENTS WITH N SERVE 24E ON TOMATOES

Block J, Land 22 (A. A. Csizinszky)

Determine the effect of N serve (a nitrification inhibitor)
on tomato yields at 4 nutrient levels.

Amount of Nutrient lb per 100 linear ft
Nutrient level N P205 K20 N serve

1 x 2.0 2.0 3.2 +
1.5 x 3.0 2.0 4.8 +
2 x 4.0 2.0 6.4 +
2.5 x 5.0 2.0 8.0 +
2.5 x control 5.0 2.0 8.0

Nutrients were derived from 18-0-25-2, KNO3 and 13-0-46 (KNO3).
N serve, at a rate of 1 quart in 75 gal of water per acre, was
sprayed on the banded fertilizer and soil near the band before
mulch was laid.

Sunny

No. Nutrient level N serve
1 2.5 x none (control)
2 1 x +
3 2 x +
4 2.5 x +
5 1.5 x +


-25-






TOUR STOP #13


NUTRIENT SPRAY EXPERIMENTS WITH GREEN BEANS, GREEN PEPPERS AND TOMATOES


Location:

Purpose:


Cultivars:



Nutrient
Sprays:


Frequency of
Application:

Rates:


Treatments:
(Crop and
variety)
















General:


Block J, Land 22 (A. A. Csizinszky)

Determine the effect of a nutrient enriched seaweed spray on
green beans, green peppers and tomatoes.

Green beans: Harvester and Provider
Green peppers: Early Calwonder and Shamrock
Tomatoes: Sunny and Hayslip


BM86 (8% BO, 6% MgO and 0.3% Mo) for green peppers and tomatoes
MZ63 (6% Mgd, 3% Zn, 2% Mn and 1% Cn) for green beans


3 x for green beans, 4 x for green peppers and 7 x for tomatoes


1. BM86 1.71 pt increasing to 256 pt/A on pepper
2. BM86 2.56 pt/A on tomato
3. MZ63 2.56 pt/A on green bean

1. Green beans, Harvester, non-treated
2. Green beans, Harvester, treated
3. Green beans, Provider, non-treated
4. Green beans, Provider, treated
5. Green peppers, Shamrock, treated
6. Green peppers, Shamrock, non-treated
7. Green peppers, EaCalwonder, treated
8. Green peppers, EaCalwonder, non-treated
9. Tomatoes, Sunny, treated
10. Tomatoes, Sunny, non-treated
11. Tomatoes, Hayslip, treated
12. Tomatoes, Hayslip, non-treated

Nutrients applied, Ib per 100 linear ft
N P205 K20
Bed mix: 0.77 2.0 2.71


Banded 4.26
Total: 5.03 2.0
Nutrients were derived from 18-0-25-2,
(with 80 Ib/ton micronutrients).


6.54
9.25
KNO3, IBDN and 0-20-0


-26-







TOUR STOP #14

EVALUATION OF A WATER CONVEYANCE AND RECOVERY SYSTEM FOR
SEEP IRRIGATION OF ROW CROPS


Location:

Purpose:



Operation:


Entire 200 acres of land used for field research (C. D. Stanley
and J. W. Prevatt)
To evaluate water budget, potential water and energy savings,
water quality changes, and management problems associated with the
use of this water recovery system.

In normal operation, irrigation water for the cultivated land is
supplied from a 5-acre holding pond (at approx. 500 GPM) using PVC
pipe for distribution. An adequate pond water level is maintained
in the holding pond by pumping water from a deep well into it when
needed. Once the water has been distributed to the fields, runoff
water is channeled into main drainage ditches which empty into two
catch basins located on the west side of the center property. Using
float switches and electric pumps, the water collected in these catch
basins is pumped back into the 5-acre holding pond for reuse.
Water quantity measurements are taken at points where:


1) water enters main pond from well
2) water leaves main pond to cultivated plots
3) water is pumped from catch basins to main pond.
In addition to these, rainfall and evaporation data are measured to
estimate their contribution to the water budget.

Water quality measurements are made at several points in the
irrigation system to monitor levels of pH, total soluable salts,
nitrate-N, ammonium-N, phosphorus, and potassium in the water.

Summary: Past measurements have shown as much as a 60% savings in the amount
of water pumped from the deep well source for this recovery system
when compared to using a semi-closed conveyance system without
recovery of runoff water. About half of this savings came from the
return of recovered water and half from natural water seepage into
the main holding pond. Data collection continues, but to this point
no problems with water quality have been detected.


-27-







TOUR STOP #15

FUMIGANTS AND SOIL pH ADJUSTMENT FOR CONTROL OF FUSARIUM DISEASES

Location: Block L, Lands 1 and 2 (A. J. Overman and J. P. Jones)

Purpose: To evaluate efficacy of soil fumigants for control of Fusarium
crown rot, Fusarium wilt race 3, and root-knot nematodes at
2 soil pH levels.

Crop: Tomato cv. 'Duke'

Temperature
at treatment: Soil 4" deep: 58/60F Air: 56/64F

Treatments: Fumigant % Broadcast rate
1. Control
2. Vorlex 201 30 gal/A
3. Vorlex 201 25 gal/A
4. MBC 67/33 300 Ib/A
5. MBC 98/2 300 Ib/A
6. MBC 98/2 435 Ib/A

pH 10. 5.5 6.0
20. 7.5 8.0

Operation: 1) Land 1 was infested with tomato roots infected with Fusarium
crown rot and root-knot nematodes. Land 2 was inoculated
with Fusarium wilt race 3.
2) Fumigants were injected in 3 streams 8 inches apart and 6 inches
deep.
3) Each plot was immediately covered with full-bed mulch 1.25 mil
black polyethylene.
4) Treated March 10 and set with containerized transplants
March 29. The 5 days delay in planting was due to heavy rain in the
area.

Summary: High wind on the day the plastic was laid resulted in a loose cover
over some of the beds. This prevented emergence of nutsedge through
the mulch. The plastic was tightened before planting, but
fumigant comparisons for nutsedge control were lost.


-28-







TOUR STOP #16


GENETIC TOLERANCE TO FUSARIUM RACE 3


Location:

Purpose:


Crop:

Set:

Treatments:


Block L, Lands 8-9 (J. W. Scott and J. P. Jones)

To test the fusarium race 3 tolerance of Australian genetic
sources under field conditions.

Tomatoes

March 9, 1983

Randomized block design with 4 blocks, 10 plants/block of
numbers 1-12, 40 plants/block of numbers 13-16.


Bonny Best
Manapal
Hayslip
Flora-Dade
629
638
421
472


Operation:






Summary:


9. P608 = (Hayslip x 629) F1
10. P611 = (Hayslip x 638) F1
11. P614=(Flora-Dade x 421) F1
12. P596 = (Flora-Dade x 472) Fl
13. P667 = (Hayslip x 629) F2
14. P660 = (C1 11 D x 638) F
15. P663 = (Flora-Dade x 422F
16. P662 = (Flora-Dade x 472) 2


Sulfur was applied to the beds to bring the pH down to 6 to 6.5.
Then the beds were fumigated and 11- days later they were
inoculated with Fusarium oxysporum (Schlecht) F. lycopersici
(Sacc.) Snyder & Hans. race 3. Plants were set 2 days later.
Normal fertilizer, fungicide and insecticide programs were
utilized. The plants are rated at weekly intervals for fusarium
wilt symptoms.

At the time of this writing (April 7) only Bonny Best is showing
disease symptoms. Later data should indicate if the level of
fusarium wilt race 3 tolerance from the Australian sources is
adequate to prevent the disease under Florida field conditions,
and if this tolerance is carried by the F, (hybrid) generation.
Analysis of data may elucidate genetic control of fusarium race
3 tolerance.


-29-






TOUR STOP #17


TOMATO ROW MIDDLE HERBICIDE TRIAL


Location:

Objective:


Cultivar:

Treatments:

















Operation:







Summary:


Block E, Land 5 (J. P. Gilreath)


To evaluate various pre and postemergence
control in row middles.


Hayslip


Rate


herbicides for weed


Method of


Herbicide (Ib ai/A) Application
1. Weedy check
2. Devrinol 2.0 preemergence
3. Sencor 0.5 preemergence
4. Prowl 1.0 preemergence
5. Goal 0.5 preemergence
6. Goal 1.0 preemergence
7. Goal 0.5 early postemergence
8. Goal 1.0 early postemergence
9. Goal + Paraquat 0.5 + 0.5 postemergence (3-4")
10. Goal + Paraquat 1.0 + 0.5 postemergence (3-4")
11. Paraquat 0.5 postemergence
12. Sencor + Paraquat 0.5 + 0.5 postemergence
Beds were fumigated with MC-33 and plastic mulch applied Feb. 1.
Transplants were set Feb. 21. Preemergence treatments were
applied February 24. Preemergence treatments were reapplied
March 3 because the middles had to be busted in order to anchor
mulch film and over 4 inches of rain had fallen and subjected
some treatments to excessive leaching. Postemergence applica-
tions have not been made. Weed control and crop vigor will be
evaluated twice.

All treatments have shown promise in previous experiments. No
data is available for this season.


-30-







TOUR STOP #17


SENIOR MOVEMENT STUDY


Location:

Objective:


Block E, Land 5 (J. P. Gilreath)

To determine if the injury observed to mulched tomato
transplants in growers' fields is the result of Sencor
(metribuzin) moving out of the treated middles and into the
bed with the soil water. The experiment was also initially
designed to determine the roles of herbicide useage rate
and rainfall in the expression of injury.


Cultivar:

Treatments:


Hayslip

No.


Sencor rate
(Ib a.i./A)


Water applied to middles
(acre inches)


Operation:



Summary:


Beds were fumigated with MC-33 and fertilizer and plastic
mulch were applied February 1, 1983. Transplants were set
February 21. Sencor treatments were applied to middles
February 25. Maintenance sprays are applied twice weekly.

Before middles could be protected from rainfall, several
inches of rain fell on the treated plots. This was followed
by several more inches in a few days, thus eliminating that
aspect of the study. Bioassay of soil cores from the beds
indicated no toxic residues of Sencor could be detected
and no injury to the crop was observed. Plans are to
repeat this experiment once evapotranspiration rates are
higher. That which you see today may be that experiment.


-31-






TOUR STOP #18


Location:

Objective:


Cultivar:

Treatments:





















Operation:






Summary:


CUCUMBER POSTEMERGENCE HERBICIDE TRIAL

Block E, Land 6 ( J. P. Gilreath)

To develop efficacy and phytotoxicity data for three postemergence
grass herbicides.

Poinsett
Rate Method of
Herbicide (lb. a.i./A) application

1. Weedy check
2. Hoed check
3. Fusilade + Agridex 0.125 + 1% post
4. Fusilade + Agridex 0.185 + 1% post
5. Fusilade + Agridex 0.25 + 1% post
6. Fusilade + Agridex 0.375 + 1% post
7. Fusilade + Agridex 0.50 + 1% post
8. Poast + Agridex 0.3 + 1% (2 appl.) post
9. Poast + Agridex 0.2 + 1% post
10. Poast + Agridex 0.3 + 1% post
11. Poast + Agridex 0.5 + 1% post
12. DPX-Y6202-7 + X-77 .03 + 0.4% post
13. DPX-Y6202-7 + X-77 .06 + 0.4% post
14. Agridex 1% post

Soil was fumigated with EDB February 21. Cucumber seed were
planted March 14, 1983. Plants are sprayed twice weekly for
general maintenance. Weed control and crop vigor will be
evaluated twice. All herbicides will be applied when grasses
reach the 2-4 leaf stage. Repeat applications will be made
for each flush of grass emergence. Broadleaved weeds will
be manually controlled. Plots will be harvested as required.
Treatments were applied April 9.
In past seasons, Fusilade and Poast have provided excellent
control of crabgrass and goosegrass with no injury to cucumber
plants.


-32-







TOUR STOP #18


CABBAGE HERBICIDE TRIAL


Location:

Objective:


Cultivar:

Treatments:


Block E, Land 6 (J. P. Gilreath)


To evaluate Bolero and
cabbage.


Conquest

Hprhicirlp


Poast for weed control and toxicity to


Rate
(Ib a.i./A)


Method of
aDplication


1. Weedy check
2. Hoed check
3. Poast + Agridex
4. Poast + Agridex
5. Poast + Agridex
6. Poast + Agridex
7. Bolero


0.2 + 1%
0.3 + 1%
0.5 + 1%
0.3 + 1% (2 appl.)
8.0


postemergence
postemergence
postemergence
postemergence
preemergence


Operation:


Beds were fumigated with EDB February 21. Bolero was applied
March 14, 1983. Transplants were set March 15. Poast was
applied April 13. Plants are sprayed twice weekly for general
maintenance. Weed control and crop vigor will be evaluated twice.
Yield data will be collected.


Summary: Although no data have been obtained from this experiment, in previous
seasons Bolero has shown promise in cabbage at 4.0 lb a.i./A.
The rate was increased to 8 lb. this season to determine crop
response.


-33-


Herbicide- I






TOUR STOP #18


COLLARD HERBICIDE TRIAL


Location:

Objective:


Cultivar:

Treatments:


Block E, Land 6 (J. P. Gilreath)


To evaluate Ramrod and
in collard.


Georgia L. S.

Herbicide


Poast for weed control and phytotoxicity


Rate
(lb a.i./A)


Method of
aDDlication


1. Weedy check
2. Hoed check
3. Ramrod


10.0


4. Ramrod


5. Poast
6. Poast
7. Poast


Operation:






Summary:


0.3


preemergence
2nd application
30 DAT-directed spray
preemergence
2nd application
30 DAT-directed spray
postemergence
postemergence
postemergence


Beds were fumigated with EDB February 21, 1983. Collard was
seeded March 14 and preemergence treatments were applied
immediately after planting. Additional applications of Ramrod
will be made 30 and 60 days after the first application as
directed sprays. Plants are sprayed twice weekly for general
maintenance. Weed control and crop vigor will be evaluated
three times. Yield data will be collected.

No data has been obtained thus far.


-34-


(lb a -~i ./A)-







TOUR STOP #19


UNMULCHED TOMATO HERBICIDE TRIAL


Location:

Objective:


Cultivar:

Treatments:


Block E, Land 11 (J. P. Gilreath)


To evaluate herbicides
grown on open beds.


Flora-Dade

Herbicide


for weed control in injury to tomato


Rate
(lb. a.i./A)


Method of
aDDlication


1. Weedy check
2. Hoed check
3. Prowl
4. Prowl
5. Devrinol
6. Poast + Agridex
7. Poast + Agridex
8. Poast + Agridex
9. Poast + Agridex
10. Poast + Agridex
11. Bolero
12. Bolero


0.2 + 1%
0.3 + 1%
0.5 + 1%
0.3 + 1% (2 appl)
0.3 + 1% (3 appl)
4.0
8.0


preplant incorporated
preplant incorporated
preemergence
postemergence
postemergence
postemergence
postemergence
postemergence
preemergence
preemergence


Operation:






Summary:


Beds were fumigated with EDB. Prowl was applied and incorporated
with a power tiller on March 2, 1983. Preemergence treatments
were applied March 7. To date this experiment has been replanted
3 times due to wind and rain injury. This particular experiment
may be abandoned before this field day. Poastemergence applica-
tions will be made when appropriate. If the experiment is con-
tinued, weed control, crop injury and yield will be evaluated.

Bolero has shown promise in previous trials. Prowl has provided
mixed results. Preliminary evaluation of Poast indicated crop
tolerance existed and the material provided good grass control.
Data from this experiment are not available.


-35-






TOUR STOP #19


UNMULCHED PEPPER HERBICIDE TRIAL


Location:

Objective:


Block E, Land 11 (J. P. Gilreath)

To evaluate several pre and postemergence herbicides for weed
control and crop toxicity in unmulched peppers.


Cultivar: Gator Belle

Treatments: Herbicide


Rate
(Ibs. a.i./A)


Method of
aoolication


Weedy check
Hoed check
Fusilade + Agridex
Fusilade + Agridex
Fusilade + Agridex
Fusilade + Agridex
Prowl
Prowl
Devrinol
Poast + Agridex
Poast + Agridex
Poast + Agridex
Poast + Agridex
Poast + Agridex


0.25 + 1%
0.5 + 1%
1.0 + 1%
2.0 + 1%
0.5
1.0
2.0
0.3 + 1% (2 appl.)
0.3 + 1% (3 appl.)
0.2
0.3
0.5


postemergence
postemergence
postemergence
postemergence
preplant incorporated
preplant incorporated
preemergence
postemergence
postemergence
postemergence
postemergence
postemergence


Operation:








Summary:


Beds were fumigated with EDB February 25, 1983. Prowl was applied
and incorporated March 7. Devrinol was applied March 9. Trans-
plants were set March 10. The entire planting was reset March 22
due to excessive wind and water damage. Postemergence applica-
tions will be made when grass reaches the 2-4 leaf stage. Crop
vigor and weed control will be evaluated twice. Fruit will be
harvested on a commercial basis and yield data will be recorded.
Maintenance sprays will be applied twice weekly. Postemergence
treatments were applied April 13.

No data have been taken.


-36-


__







TOUR STOP #19


UNMULCHED SQUASH HERBICIDE TRIAL


Location:

Objective:


Cultivar:

Treatments:


Block E, Land 11 (J. P. Gilreath)


To evaluate Bolero, Fusilade and Poast for
toxicity to squash.

Early Yellow Summer Crookneck
Rate
Herbicide (lb. a.i./A)


weed control and



Method of
application


Weedy check
Hoed check
Fusilade + Agridex
Fusilade + Agridex
Fusilade + Agridex
Fusilade + Agridex
Fusilade + Agridex
Poast + Agridex
Poast + Agridex
Poast + Agridex
Poast + Agridex
Prefar
Bolero
Bolero


0.125
0.185
0.25
0.375
0.50
0.20
0.30
0.50
0.30
5.0
4.0
8.0


+ 1%
+ 1%
+ 1%
+ 1%
+ 1%
+ 1%
+ 1%
+ 1%
+ 1% (2 appl)


postemergence
postemergence
postemergence
postemergence
postemergence
postemergence
postemergence
postemergence
postemergence
preplant incorporated
preemergence
preemergence


Operation:









Summary:


Beds were fumigated with EDB. Prefar was applied and incorporated
with a power tiller March 9, 1983. Squash was seeded March 9 and
Bolero was surface applied immediately following planting. Fusilade
and Poast were applied over the top April 9 when grass weeds were
at the 3-7 leaf stage and the crop was at the 475 leaf stage of
development. Plants are sprayed twice weekly for general maintenance.
Bolero and Prefar will be evaluated for grass and broadleaf weed
control and crop injury while Fusilade and Poast will be evaluated
for grass control only and crop injury. Yield data will be collected.

No data available.


-37-







TOUR STOP #20


TOMATO FUNGICIDES

Location: Block F, Land 1 (J. P. Jones)


Determine efficacy of various
blight of tomatoes.


fungicides in the control of late


Duke tomatoes


Treatments:
1. Galben + Mancozeb
2. Galben & Mancozeb
3. Galben + Mancozeb
4. Ridomil MZ58
5. Control
6. San 518F
7. San 518F
8. San 553F
9. San 507
10. San 371 + Bravo 6F
11. Bravo 6F
12. Mancozeb
13. Ridomil
14. San 553F
Results: Incomplete


0.8
1.6
0.8
2.0


Rate/100 gal
lb + 1.2 schedule
lb + 1.2 schedule
lb + 1.2 scout
lb scout


2.5 lb
2.5 lb
2.0 lb
2.0 lb
0.2 lb
25 pt
1.5 lb
40 oz
2.0 lb


schedule
scout
schedule
scout
+ 1.5 pt schedule
schedule
schedule
schedule
scout


PEPPER FUNGICIDES


Location:
Purpose:

Crop:
Treatments:










Results:


Block F, Land 1 (J. P. Jones)
Determine efficacy of several commercial fungicides in controlling
Phytophthora blight of peppers.
Early Cal Wonder pepper
Rate/100 gal
1. Bravo 500 2.5 pt
2. Bravo 500 3.0 pt
3. Bravo 500 4.25 pt
4. Ridomil 4.0 oz
5. Captan 4.0 lb
6. Mancozeb 1.5 lb
7. Control --
Incomplete
-38-


Purpose:


Crop:








TOUR STOP #21


FERTILIZER AND LIME EFFECTS ON BACTERIAL LEAF SPOT OF TOMATO


Location:

Purpose:

Treatments:


Block F, Land 3 (J. B. Jones, J. P. Jones and S. S. Woltz)

To develop cultural procedures for reducing bacterial leaf spot.


Treatment No.
Unlimed


Fertilizer Ibs/A
K20* MgSO4


CaCI2


1 180 180 0 0
2 180 360 245 0
3 180 180 0 0
4 180 360 245 0
5 180 180 0 0
6 180 360 245 o
7 180 180 0 1,000
8 180 360 245 1,000
19 180 180 0 500
Limed
9 180 180 0 0
10 180 360 245 0
11 180 180 0 0
12 180 360 245 0
13 180 180 0 0
14 180 360 245 0
15 180 180 0 1,000
16 180 360 245 1,000
20 180 180 0 500
*K20 treatments 1-4, 9-12, 19 and 20 were derived from muriate
of potash; remainder from sulfate of potash.

The severity of bacterial leaf spot disease on tomatoes was
reduced in previous experiments by treatments producing lower
levels of foliar magnesium.


-39-


Summary:







TOUR STOP #22

BACTERICIDES FOR THE CONTROL OF FOLIAR DISEASES OF TOMATO

Location: Block F, Land 4 (J. B. Jones)

Purpose: To determine the effect of several bactericides on bacterial
spot of tomato.

Treatments: (rate/100 gal)
1. CS81-2 (3 Ibs) + Dithane M45 (1.5 Ib)
2. Cities Service Tribasic (3 Ibs) + M45 (1.5 lb)
3. MRD 300 (2 qt) + M45 (1.5 lb)
4. MRD 350 (2 qt) + M45 (1.5 lb)
5. CoCS WDG (2 Ibs) + Polyram (1.5 lb)
6. CoCS WP (2 Ibs) + Polyram (1.5 lb)
7. Hexide (0.25 qt)
8. Hexide (1.5 qt)
9. Isobac (0.25 qt)
10. Isobac (1.5 qt)
11. K-Maneb (1.5 qt)
12. Komix (2 qt)
13. AR 153844 (2 qt)
14. AR 153844 (2 qt) + M45
15. Control

Procedure: 'Sunny' Tomato transplants were planted March 10, 1983. Plants
were sprayed March 17 and at weekly intervals thereafter. Disease
ratings have not been conducted at this time.
Summary: Incomplete


-40-







TOUR STOP #23


TRICKLE IRRIGATION EXPERIMENTS WITH TOMATOES


Block G, Land 1 (S. P. Kovach, A. A. Csizinszky, and C. D. Stanley)


STUDY 1


To determine the effect of bed height and width on the production
of trickle irrigated tomato plants grown under three levels of
fertilization.


Tomato var. 'Sunny'

March 10, 1983 (2 ft. plant spacing)


Treatments:
Bed Bed
ht. wd.
No. (in.) (in


Nitrogen
(1bs/A)
) Dry Liquid Total


120
180
240
120
180
240
120
180
240
120
180
240


240
300
360
240
300
360
240
300
360
240
300
360


Phosphorus Potassium Micronutrients
(P,0 ) (Ibs/A) (Ibs/A) (lbs/A)
Dr4 Piquid Total Dry Liquid Total Dry Liquid Total


120
120
120
120
120
120
120
120
120
120
120
120


120
120
120
120
-- 120
120
120
120
120
120
120
120


180
270
360
180
270
360
180
270
360
180
270
360


180
180
180
180
180
180
180
180
180
180
180
180


360
450
540
360
450
540
360
450
540
360
450
540


- 24
- 24
- 24
- 24
- 24
- 24
- 24
- 24
- 24
- 24
- 24
- 24


Operations: Plants are trickle irrigated four times daily with approximately 0.22
acre inches of water being applied to the plant bed. T-Tape trickle tubing
with an 8-inch orifice spacing and a discharge rate of 0.33 GPM/100 ft. of
tubing is used to irrigate the plants. Fifty percent of the N and K 0 (dry
form) was applied in an 8-inch wide and 4-inch deep band in the plant bed, with
the other 50% injected (liquid 6-0-9) into the trickle tubing during each
irrigation. The total requirement for P205 and micronutrients (dry form)
were banded in the bed.

Summary: Somewhat similar bed height/width treatments were utilized during
the fall 1982 growing season. The crop grown was cauliflower (var. 'Snow
Crown Hybrid'). Cauliflower plants grown on high (8") and narrow (24")
beds tended to have significantly fewer culled curds (5% level) and more
marketable curds as compared to plants grown on the other bed height/width
treatments.


-41-


Location:



Purpose:


Crop:
Set:


__






TOUR STOP #23


TRICKLE IRRIGATION EXPERIMENTS WITH TOMATOES
STUDY 2


Location:

Purpose:


Crop:


Block G, Land 1 (S. P. Kovach, A. A. Csizinszky and C. D. Stanley)

To determine the effect of Vapor Gard Anti-Transpirant Concentrate
on the yield of tomato plants irrigated by trickle irrigation.

Tomato var. 'Sunny'


March 10, 1983 (2 ft. plant spacing)


Treatments:


Operations:







Summary:


Treatment
No.
1
2


Vapor Gard
Applied to Transplants
No
Yes


Irrigation of plants is scheduled automatically, according to a
soil moisture sensor called "Water Minder" manufactured by SN
Electronics, Inc., Lakeland, Fla. All fertilizers were applied
to the bed in a dry form in an 8-inch wide and 4-inch deep band.
Drip-In trickle irrigation tubing with emitters spaced at 18-inch
intervals and a discharge rate of 0.56 GPM/1OO ft. of tubing is
used to irrigate the plants. The tubing is located in the center
and on top of the bed.

Incomplete


STUDY 3

Location: Block G, Land 1 (S. P. Kovach, A. A. Csizinszky and C. D. Stanley)

Purpose: To evaluate the performance of RIS Bi-Wall Light trickle
irrigation tubing and Chapin Drip-Hose.

Crop: Tomato var. 'Sunny'

Set: March 24, 1983 (2 ft. plant spacing)


Treatments:


Operation:



Summary:


Treatment No.
1


Type of Trickle Tubing*
Chapin Drip-Hose
RIS Bi-Wall Light


Orifice
Spacing (In.)
12"
12"


Flow (GPM)
100 ft of tubing
0.5 (8.5 psi)
0.5 (8.5 psi)


*Both types of tubing are buried to a depth of 2 inches.

Irrigation of plants is scheduled automatically according to the
soil moisture sensor called "Water Minder." All fertilizers were
applied to the bed in a dry form in an 8" wide and 4" deep band.

Incomplete


-42-


Set:







TOUR STOP #24


Location:

Purpose:





Crop:

Temperature
at Treatmer

Treatments:


SOIL FUMIGATION VIA DRIP IRRIGATION AND STANDARD SHANKS

Block G, Land 3 (A. J. Overman)

To compare efficacy of soil fumigants applied by:

1. Standard shank injection

2. Injection into drip irrigation

Tomato cv 'Duke'


It:


Soil 4" deep: 54F


Control
Terr-O-Cide 30
Terr-O-Cide 30
Soilbrom 90
Soilbrom 90
MBC 67/33
Terr-O-Cide 30EC
Soilbrom 90EC


Operation:














Summary:


Air: 56/60F

Broadcast Rate


26 gal/a
26 gal/a
4.5 gal/a
4.5 gal/a
350 Ib/a
26 gal/a
4.5 gal/a


Method


shank
3 shanks
I shank
3 shanks
3 shanks
I tube
Stube


1. Beds were constructed with a single Reed Bi-wall Light
tube laid in a one inch furrow four inches from the center
of the bed.

2. Single shank applications of fumigants were applied in
mid-bed six inches deep. Three shank applications were eight
inches apart, six inches deep. Injection of fumigants through
the drip irrigation system occurred after all plots in the field
were sealed with 1.25 mil polyethylene film.

3. Beds were barred to 24 inch width under the mulch.

4. Nutsedge counts were made and the beds were sprayed with
Paraquat prior to planting.

Counts of the number of Nutsedge plants which emerged through the
mulch during the 2 weeks following treatment indicated that
MBC 67/33 gave best and most uniform control on the bed. Soilbrom,
regardless of method of application, increased Nutsedge populations
about 200% over the infestation in the controls.


-43-







TOUR STOP #25


Location:

Purpose:


Crop:

Treatments:


















Results:


TOMATO PRODUCTION WITH TRICKLE IRRIGATION

Block G, Land 2 (C. M. Geraldson)

To evaluate production response of tomatoes using fertilizer
variations with trickle irrigation and a perched water table
to stabilize the root environment

Duke, Hayslip and Sunny set February 22, 1983

Fertilizers: A) Soluble 18-0-25
B) 15-5-20 (Osmocote)

Source & Amount Placement

1. 1,500 Ibs/A

2. 1,500 Ibs/A --

3. 1,500 Ibs/A J9

4. 750 A + 900 B

5. 750 A + 900 B \-

Trickle tube Chapin biwall 36" intervals (0.17 GPM/100 ft)
at 4,840 linear ft/A = 0.15 acre inches/8 hr/ day bed center,
2 and 6 inches deep
Barrier paper and plastic mulch trough, 15 inches wide and 12 to
14 inches deep centered below the soil bed surface

(Based on past evaluations)

Thus far tomato yields using trickle at best have been about
half that attained with seepage; the unit cost of the trickle
grown tomatoes is at least twice that of the seepage grown.


-44-







TOUR STOP #26

TRICKLE IRRIGATION EXPERIMENTS WITH TOMATOES

Location: Block G, Land 6 (A. A. Csizinszky and C. D. Stanley)

Purpose: Determine the effect of trickle tube types, number of tubes per bed
and pre-plant dry fertilizer levels on staked tomatoes (cv. Sunny).

I. Trickle tube types:

1) T-tape, 8 in pore spacing, 20 gal/lO0 ft output (low)
2) T-tape, 8 in pore spacing, 40 gal/100 ft output (high)
3) T-tape, 12 in pore spacing, 12 gal/lO0 ft output (low)

II. Number of trickle tubes per bed: 1 or 2

III. Nutrient levels: in lb/100 linear ft

N P205 K20
1 x 4.0 2.0 5.55
1.5 x 6.0 2.0 8.33
2.0 x 8.0 2.0 11.10

General: Nutrients were derived from an 18-0-25-2 and a 0-20-0 (with 80 Ib/ton
micronutrients). Soil was fumigated with MC33. Tubes were laid at
1 inch depth in the soil. Fertilizers were applied in an 8 inch wide
band, then rotatilled into the soil to 3 in depths. Tomato seedlings
(cv. Sunny) were set on Feb 22, at 24 inch spacing. Irrigation is
applied 3-4 times per day in gradually increasing amounts as plant
size, air temperatures and open pan evaporation increase. For the
same tube type, both single and double tubes per bed deliver the
same amount of water.

Treatment Numbers:

Number of Fertilizer
Marker No. Tube type tubes per bed level
1 8 in, high 1 1.5 x
2 8 in, high 1 2 x
3 8 in, high 1 1 x
4 12 in, low 1 1 x
5 12 in, low 1 2 x
6 12 in, low 1 1.5 x
7 8 in, low 1 2 x
8 8 in, low 1 1 x
9 8 in, low 1 1.5 x
10 12 in, low 2 1 x
11 12 in, low 2 2 x
12 12 in, low 2 2 x
13 8 in, low 2 2 x
14 8 in, low 2 1 x
15 8 in, low 2 1.5 x
16 8 in, high 2 1.5 x
17 8 in, high 2 2 x
18 8 in, high 2 2 x


-45-










ACKNOWLEDGEMENT OF INDUSTRY SUPPORT FOR THE RESEARCH PROGRAMS
AT THE AGRICULTURAL RESEARCH AND EDUCATION CENTER,
BRADENTON, FLORIDA


The effectiveness of the Research Programs at the Agricultural Research and
Education Center here in Bradenton has been greatly enhanced by the excellent
support from the various segments of the Agri-business industries and produ-
cers, both locally and nationally. This support in the form of financial
grants-in-aid, products and services, or equipment, supplements existing state
funds and makes each research project at the Center far more productive than
could otherwise be realized. We sincerely appreciate your participation in
these research programs and are pleased to acknowledge your support.

Listed below are the names of agencies, firms or individuals who have contri-
buted significantly to the research programs during the past two years. We
trust that our records are complete and say again, "Thank you for your confidence."


Agro-K Corp., Minneapolis, MN
Ag. Water Supply Co., Sebring, FL
Abbott Laboratories, North Chicago, IL
American Colloid Co., Skokie, IL
American Cyanamid Co., Wayne, NJ
American Hoechst Corp., Somerville, NJ
Asgrow-Florida Co., Plant City, FL
Ball Seed Co., West Chicago, IL
BASF Wyandotte Corp., Parsippany, NJ
Donald Bates, Lake Placid, FL
Baysinger Farms, Ruskin, FL
Bear Hollow Bulb Farms, Lake Placid, FL
Bedding Plants, Inc., Okemos, MI
Blue Acre Gardens, Piqua, OH
Buckeye Cellulose Corp., Memphis, TN
Chapin Watermatics, Watertown, NY
Chevron Chemical Co., San Francisco, CA
Ciba-Geigy, Greensboro, NC
Cities Service Co., Atlanta, GA
Collier Farms, DelRay Beach, FL
Dankert Farms, Inc., Dover, FL
Diamond Shamrock Corp., Cleveland, OH
Dickman Artesian Farms, Ruskin, FL
DiMare Farms, Homestead, FL
Donald Dittmar, Sebring, FL
DOW Chemical, USA, Midland, MI
A. Duda & Sons, Oviedo, FL
E. I. DuPont de Nemours & Co., Inc.,
Wilmington, DE
Paul Ecke, Jr., Encinitas, CA
Elanco Products Co., Indianapolis, IN
Elsberry Farms, Inc., Ruskin, FL
Elsberry Greenhouses, Ruskin, FL
Estech, Inc., Chicago, IL
Florida Flower Assoc., Ft. Myers, FL
Florida Foundation Seed Producers, Inc.,
Greenwood, FL


Florida Strawberry Growers Assn.,
Plant City, FL
Florida Tomato Exchange, Orlando, FL
Florida Tomato Packer, Homestead, FL
Flower Tree Nursery, Eustis, FL
FMC Corp., NY, NY
4-Star, Inc., Palmetto, FL
Fulwood Farms, Sun City, FL
Gas Research Institute, Washington, DC
Fred C. Gloeckner Found., Inc., NY, NY
Gloeckner Seed Co., NY, NY
Goemar Int. Corp., Atlanta, GA
Great Lakes Chem. Co., W. Lafayette, IN
Green Cay Farms, Boynton Beach, FL
Grooms Farms, Inc., Plant City, FL
Growers Fertilizer Corp., Lake Alfred, I
Happiness Farms, Lake Placid, FL
Harllee Farms, Palmetto, FL
Harllee-Gargiulo, Inc., Palmetto, FL
Hartman Laboratories, Palmdale, FL
Hawkins Flowers, Ft. Myers, FL
Hercules, Inc., Wilmington, DE
HMS Soil Fumigant, Inc., Palmetto, FL
ICI Americas, Inc., Wilmington, DE
Insect Control Res. Co., Glen Ellyn, IL
Kennco Machinery Co., Ruskin, FL
Kocide Chemical Corp., Houston, TX
Liewald Nursery, Palmetto, FL
Leisey Farms, Ruskin, FL
MAAG Agrochemicals, Nutley, NJ
Mallinckrodt, Inc., St. Louis, MO
Manatee Board of County Commissioners,
Highway Department, Bradenton, FL
Manatee Fruit Co., Palmetto, FL
Merck, Sharpe & Dohm Res. Lab.,
Rahway, NJ
Microjet, Inc., Dundee, FL


-46-










Miorolife Technics, Sarasota, FL
Miller Chemical & Fertilizer Corp.,
Hanover, PA
Mineral Research & Devel. Corp.,
Charlotte, NC
Mobay Chemical Corp., Kansas City, MO
Monsanto Agricultural Prod. Co.,
St. Louis, MO
Nalco Chemical Co., Oak Brook, IL
NOR-AM Agricultural Prod., Inc.
Naperville, IL
Northrup King Co., Minneapolis, MN
Ogelsby Nurseries, Ft. Lauderdale, FL
Palmetto Plants Co., Inc, Bradenton, FL
Pan American Plant Co., Parrish, FL
Pan American Seed Co., W. Chicago, IL
Parkesdale Farms, Inc., Dover, FL
Peace River Peat Co., Bartow, FL
Pennwalt Corp., Philadelphia, PA
Phelps Dodge Refining Corp., NY, NY
The Plant Farm, Sarasota, FL
Plants, Inc. of Sarasota, FL
Princeton Farms, Immokalee, FL
Producers Fertilizer Co., Palmetto, FL
Protector Corp., Johns Island, SC
Reasoner's Tropical Nurseries, Inc.
Oneco, FL
Reed Irrigation, Winter Park, FL
Rhone-Poulenc Chem. Co., Monmouth
Junction, NJ
Rohm & Haas, Co., Philadelphia, PA
0. M. Scott's Fertilizer Co.,
Marysville, OH
Shell Development Co., Modesto, CA
Sierra Chemical Co., Milpitas, CA
Society of American Florists Endowment,
Alexandria, VA
Southern Agricultural Chemicals Co.,
Rubonia, FL
Southwest Florida Water Management
District, Brooksville, FL
Speedling, Inc., Sun City, FL
Stauffer Chemical Co., San Francisco, CA
Strano Brothers, Inc., Homestead, FL
Sunfresh Farms, Homestead, FL
Sun Oil Co., Marcus Hook, PA
S. N. Electronics, Inc., Hollywood, FL
Syndyne Corp., Tampa, FL
3M, St. Paul, MN
Taylor & Fulton, Palmetto, FL
Tennessee Chemical Co., Atlanta, GA
Tennessee Valley Authority, Muscle Shoals,
Tropicana Products, Bradenton, FL
Union Carbide Agric. Prod. Co., Inc.,
Research Triangle Park, NC
Uniroyal Chemical Corp., Naugatuck, CT
-47-


University of Florida, IFAS,
Gainesville, FL:
International Programs
Center for Biomass Energy Systems
SHARE Program
Upjohn Co., Kalamazoo, MI
USDA-ARS-DSR, IR-4 Project,
New Brunswick, NJ
USDA-SEA Southern Region Pesticide
Impact Assessment Program, Little
Rock, AR
USDA-SEA Tropical and Subtropical
Agriculture PL89-808, Section 406
Program, Washington, DC
Velsicol Chemical Corp., Chicago, IL
Villemaire Farms, Ruskin, FL
V. V. Vogel & Sons Farms,
Gibsonton, FL
Water Control Products, Winter
Haven, FL
Whisenant Farms, Parrish, FL
Yoder Brothers, Ft. Myers, FL and
Barberton, OH
Zoecon Corp., Palo Alto, CA





















TAMPA


LAKELAND


PLANT CITY


4


BAY


6ULF


0 F


MEXICO


LOCATION OF A.R.E.C.


BRADENTON,
1 INCH = 5


FLORIDA
MILES