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Group Title: Tomato variety trial results.
Title: Tomato variety trial results. Fall 1997.
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Permanent Link: http://ufdc.ufl.edu/UF00054239/00014
 Material Information
Title: Tomato variety trial results. Fall 1997.
Series Title: Tomato variety trial results.
Alternate Title: Research report - Bradenton Gulf Coast Research & Education Center ; BRA1998-1
Physical Description: Serial
Language: English
Creator: Howe, T. K.
Scott, J. W.
Publisher: Gulf Coast Research & Education Center, IFAS, University of Florida
Publication Date: Fall 1997
 Notes
Funding: Florida Historical Agriculture and Rural Life
 Record Information
Bibliographic ID: UF00054239
Volume ID: VID00014
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 - 62705297

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        Page 3
        Page 4
        Page 5
        Page 6
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    Center information
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Full Text


9g-o/


DOCUMENT


^^ UNIVERSITY OF
SoFLORIDA
Institute of Food and Agricultural Sciences


Gulf Coast Research and Education Center
5007 60th Street East. Bradenton, FL 34203
GCREC-Bradenton Research Report BRA-1998-01


Marston Science
Library
JUL 2 0 1998


University of Florida
TOMATO


VARIETY TRIAL RESULTS
FOR FALL 1997


T. K. Howe and J. W. Scott








GCREC Research Report BRA 1998-1


TOMATO VARIETY TRIAL RESULTS FOR FALL 1997

T. K. Howe and J. W. Scott'
Gulf Coast Research and Education Center
University of Florida, IFAS
5007 60th Street East
Bradenton, FL 34203


In 1995-96, 45,500 acres of tomatoes were harvested in Florida, yielding 55.3 million 25-pound
cartons worth $440 million (Fla. Agr. Stat. Serv., 1997). Tomatoes accounted for a third of the total
production value for all vegetables grown during 1995-96, making it the most important vegetable
produced in the state. The Palmetto-Ruskin area (west-central Florida) accounted for 35% of the
state's total fresh market tomato production in 1995-96.

A tomato variety trial was conducted in fall 1997 at the Gulf Coast Research & Education Center
in west-central Florida to evaluate fresh market tomato varieties and breeding lines. Twenty-two
entries were evaluated in a replicated yield trial and an additional 59 entries were evaluated visually
in unharvested observational plots.

MATERIALS & METHODS

Soil Test Results: Soil in the trial area was sampled before field preparation and analyzed by the
IFAS Soil Testing Lab. The pH = 6.5, NH4-N = 3 ppm and N03-N = 7 ppm were determined from
a water extract (Geraldson, 1967), and P = 37 ppm, K = 20 ppm, Ca = 577 ppm, and Mg = 72 ppm
were determined from a Mehlich I extract (Hanlon and DeVore, 1989).

Bed Preparation: The 33-inch wide, 8-inch high beds were spaced on 5-ft centers with six beds
between seepage irrigation ditches. Fertilizer included 15-0-30 (N-P20O-K20) at 1568 lb/A (A =
8712 linear ft of bed) distributed in two narrow bands in shallow grooves on the bed surface 10
inches to either side of the bed center. This fertilizer regime provided a 1:2 ratio of N:K20 with
approximately 235 lb N/A and 390 lb K/A. Beds were fumigated with methyl bromide:chloropicrin
(67:33) at 350 lb/treated A and covered with white on black polyethylene film.

Transplant Production: Seeds were sown on July 14 and 15, 1997 into planter flats (1.5 x 1.5 x 2.5-
inch cells) containing vermiculite and Canadian peat (l:l,v:v) amended with dolomite,
superphosphate, and hydrated lime (11.3, 5.6 and 2.8 lb/cu yd, respectively), then covered with a
layer of coarse vermiculite and germinated in a greenhouse. Plants were hardened before
transplanting by limiting water and nutrients in the final phase of production.


'Research Program Coordinator and Professor, respectively.


February 1998










Crop Production: Transplants were set in the field on August 22 and spaced 24 inches apart in single
rows down the center of each bed. Transplants were immediately drenched with water containing
imidacloprid for silverleaf whitefly control. Fields were also baited for mole crickets after
transplanting. Four replications of 10 plants per entry were arranged in a randomized complete block
design in the replicated trial and single 10-plant plots were used in the observational trial. Plants
were staked and tied without pruning.

Plants were scouted for pests throughout the season. Lepidopterous larvae, leafininers and silverleaf
whitefly were the primary insects found. Bacillus thuringiensis, azadirachtin, methomyl, avermectin,
endosulfan, methamidophos, fenpropathrin, and permethrin were used according to label instructions
to control insect pest populations during the season. A preventative spray program using maneb,
copper salts, and chlorothalonil was followed for control of bacterial and fungal diseases.

Fruit of the replicated entries were harvested at or beyond the mature-green stage on October 30,
November 12 and 24, 1997. Tomatoes were graded as cull or marketable by U.S. standards for
grades (USDA, 1981) and marketable fruit were sized by machine (see footnotes Tables 2-4 for
specifications). Both cull and marketable fruit were counted and weighed. Subjective ratings of
plant and fruit characteristics were given to the observational entries.

RESULTS & DISCUSSION

In the fall, average daily temperatures were near normal as compared to the 43-year average (Table
1). Rainfall was about 3 inches above normal in September. Particularly unusual was the record-
breaking rainfall in November, which was nearly 7.5 inches above the 43-year mean. Disease
pressure was high during the season due to the heavy rainfall. Bacterial leaf spot, cuticle cracking
(raincheck), concentric cracking and radial cracking were particularly troublesome.

REPLICATED TRIAL

Seasonal: Total marketable yield among all entries from three harvests ranged from 618 25-lb
cartons/A for 'Leading Lady' to 1430 cartons/A for 'Sanibel' (Table 2). Twelve other entries were
not significantly different from 'Sanibel' in total seasonal yields. All entries were lower than the
1996-97 state average of 1473 cartons/A (Fla. Tomato Comm., 1997). Total yields were lower than
those obtained in all five of the most recent fall trials at this location (Howe et al. 1993, 1994, 1995,
1996, 1997). Major factors in decreased yields were due to reduced fruit set in late September as a
results of heavy rains and poor fruit quality due to cuticle cracking (raincheck), radial cracking and
concentric cracking.

Yield of extra-large fruit ranged from 280 cartons/A for 'Leading Lady' to 1100 cartons/A for XPH
10091 (Table 2). Ten other entries were similar to XPH 10091 in extra-large fruit yield for the
season. Extra-large fruit yields were similar or greater than extra-large fruit yields in the last four
of five fall seasons. Yield of large fruit ranged from 195 cartons/A for 'Agriset 761' to 469
cartons/A for Fla. 7699. Only three entries were similar to Fla. 7699 in yield of large-sized fruit.
Average individual fruit weight ranged from 5.3 oz for 'Leading Lady' to 6.7 oz for XPH 10091.
XPH 10091 had significantly greater fruit weight than all but six other entries, 'Sanibel', Fla. 7792,











'FTE 30', 'Florida 47' and HMX 2824. Cull fruit varied from 23 to 47% of total harvest for the
various entries. Cuticle cracking, radial cracking, concentric cracking, black shoulder, and rough
blossom-end scars were the predominant defects during the season.

First Harvest (October 30): Marketable yield for the first harvest ranged from 55 cartons/A for
'Leading Lady' to 456 cartons/A for Fla. 7792 (Table 3). Five other entries HMX 2824, XPH 10091,
Fla. 7763, Fla. 7699 and 'Equinox' were similar to Fla. 7792 in total early yield. Extra-large fruit
yield ranged from 42 cartons/A for 'Leading Lady' to 400 cartons/A for Fla. 7792. Six other entries
were similar to Fla. 7792 in early extra-large marketable yield; HMX 2824, XPH 10091, Fla. 7763,
Fla. 7699, 'Equinox' and 'Sanibel'. Large fruit yields at the first harvest ranged from 7 cartons/A
for 'Captiva' and SRT 6631 to 61 cartons/A for Fla. 7699. All entries in the medium fruit grade were
at or below 7 cartons/A. Average individual fruit weight ranged from 6.7 oz for 'Leading Lady',
'Suncrest' and Fla. 7699 to 7.9 oz for XPH 10091. Seventeen entries were not significantly
different in individual fruit weight from XPH 10091. Cull fruit varied from 18 to 63% of the total
fruit harvested for the entries. The predominant defects of cull fruit were rain check, radial cracking
and concentric cracking.

Second Harvest (November 12): The total marketable yield for the second harvest ranged from 227
cartons/A for 'Leading Lady' to 619 cartons/A for Fla. 7791 (Table 4). Twelve entries were similar
to Fla. 7791 in total yield. Extra-large fruit yield ranged from 127 cartons/A for 'Leading Lady' to
524 cartons/A for Fla. 7791. Eleven other entries were not significantly different from Fla. 7791 in
yield of extra-large fruit at the second harvest. Large fruit production ranged from 32 cartons/A for
SRT 6631 to 175 cartons/A for Fla. 7699. Average individual fruit weight ranged from 5.6 oz for
'Leading Lady' to 7.1 oz for SRT 6631. Seventeen entries were not significantly different in
individual fruit weight from SRT 6631. Cull fruit varied from between 18 and 53% of the total
harvest for the entries. Fruit defects at this harvest included radial crack, concentric crack, rain check
and black shoulder.

Third Harvest (November 24): Total marketable yield for the third harvest ranged from 334
cartons/A for Fla. 7792 to 657 cartons/A for 'Solar Set' (Table 5). Thirteen other entries were
similar to 'Solar Set' in total yield. Extra-large fruit yield ranged from 99 cartons/A for Fla. 7763
to 350 cartons/A for 'Sanibel'. Six other entries were similar to 'Sanibel' in early extra-large
marketable production; 'Solar Set', 'FTE 30', Fla. 7791, 'Equinox', 'Florida 47' and XPH 10091.
Large fruit yields at the third harvest ranged from 118 cartons/A for HMX 2824 to 300 cartons/A for
'Solar Set'. All entries in the medium fruit grade were at or below 139 cartons/A. Average
individual fruit weight ranged from 4.7 oz for Fla. 7763 to 5.8 oz for XPH 10091. Seven entries
were not significantly different in individual fruit weight from XPH 10091. Cull fruit varied from
25 to 47% of the total fruit harvested for the entries. The predominant defects of cull fruit were
cuticle cracking (raincheck) radial cracking, concentric cracking, black shoulder, variable fruit shape
and roughness.











NONHARVESTED OBSERVATIONAL TRIAL

Horticultural Evaluation: All observational entries were rated for numerous horticultural
characteristics (Table 6). Plant and fruit attributes were rated on December 8 and 9. Ratings provide
general indications of crop performance at a particular location and time.

SUMMARY

Overall, this season's total yields were low based on previous fall yields obtained at Bradenton
(Howe et al. 1993, 1994, 1995, 1996, 1997). Total seasonal yields ranged from 618 cartons/A to
1430 cartons/A for the entries in this trial. Extra large fruit production was about average or slightly
better than the four of the last five fall seasons, where seasonal yields of extra-large fruit ranged from
nearly 280 cartons/A to more than 1100 cartons/A.

Extra-large fruit yield is one of the most important aspects of marketing Florida tomatoes, since this
size fruit generally secures a premium price. Additionally, earliness can be a key to profitability if
one grower brings fruit to market ahead of competitors. This season's extra-large fruit yield from
the first harvest ranged from 42 to 400 cartons/A. This is contrasted with the yields in the fall 1996
season (judged an excellent fall season) which ranged from 124 to 675 cartons/A (Howe et al.,
1997). No single entry stood out at the first harvest; rather seven performed well: Fla. 7792, HMX
2824, XPH 10091, Fla. 7763, Fla. 7699, 'Equinox' and 'Sanibel'.


Note: The information contained in this report is a summary of experimental results and should not
be used as recommendations for crop production. No discrimination is intended nor endorsement
implied where trade names are used.

Acknowledgment: The authors thank the following organizations/firms which donated funds
toward vegetable cultivar research during 1997 and 1998: Abbott & Cobb Inc., Agrisales, Seminis-
Asgrow Seed Co., Daehnfeldt Inc., Enza Zaden, Ferry-Morse, Novartis, Pepper Research, Sakata
Seed America Inc., Samen Mauser, Shamrock Seed Co., Sunseeds and Vilmorin.

LITERATURE CITED

Florida Agricultural Statistics Service. 1997. Vegetable Summary 1995-1996. Fla. Agr. Stat.
Serv., Orlando, FL.

Florida Tomato Committee. 1997. Florida tomato review. Fla. Tomato Comm., Orlando, FL.
27(11):1.

Geraldson, C. M. 1967. Evaluation of the nutrient intensity and balance system of soil testing. Soil
Crop Sci. Soc. of Fla. Proc. 27: 59-67.











Hanlon, E. A. And J. M. DeVore. 1989. IFAS extension soil testing laboratory chemical procedures
and training manual. Fla. Coop. Ext. Serv. Circ. 812.

Howe, T. K., J. W. Scott and W. E. Waters. 1993. Tomato variety trial results for fall 1992. GCREC
Res. Rept. BRA1993-08.

Howe, T. K., J. W. Scott and W. E. Waters. 1994. Tomato variety trial results for fall 1993. GCREC
Res. Rept. BRA1994-05.

Howe, T. K., J. W. Scott and W. E. Waters. 1995. Tomato variety trial results for fall 1994. GCREC
Res. Rept. BRA1995-11.

Howe, T. K., J. W. Scott and W. E. Waters. 1996. Tomato variety trials results for fall 1995.
Bradenton GCREC Res. Rept. BRA1996-05.

Howe, T. K., J. W. Scott and W. E. Waters. 1997. Tomato variety trials results for fall 1996.
Bradenton GCREC Res. Rept. BRA1997-03.

Stanley, C. D. 1997. Weather report for 1996, Gulf Coast Research and Education Center,
Bradenton, FL. Bradenton GCREC Res. Rept. BRA 1997-11.

United States Department of Agriculture. 1981. U.S. standards for grades of tomato. USDA Agr.
Marketing Serv., USDA, Washington, D.C.





Table 1. Temperature and rainfall at the GCREC during the fall of 1997 and the 43-year averages
(Stanley, 1997).


Average Daily Temperature (F)
Maximum Minimum Rainfall (in.)
Month 1997z 43-yr avg 1997z 43-yr avg 1997z 43-yr avg

August 93 91 73 72 7.60 9.77
September 91 90 71 71 11.10 8.15
October 85 85 63 64 2.62 2.98
November 78 79 57 58 9.40 2.02


'Field transplanted August 22, 1997. Last harvest November 24, 1997.











Table 2. Seasonal yields, seed source, average fruit size, and cull percentages for tomato entries in
fall 1997. (Harvest dates: October 30, November 12 and 24, 1997).


Average
Marketable Yield (cartons/AY Marketable
Seed Extra- Fruit Culls'
Entry Source Total Large Large Medium Wt (oz) (%)

Sanibel Petoseed 1430 ax 1074 ab 286 b-f 70 b-e 6.3 a-d 27 e-h
Fla. 7791 Univ Fla 1396 a 939 a-c 343 b-e 115 a-c 6.0 b-f 28 e-h
XPH 10091 Asgrow 1390 a 1100 a 251 c-f 39 e 6.7 a 30c-h
Solar Set Asgrow 1371 ab 867 a-e 415 ab 89 a-e 5.8 c-g 28 e-h
Equinox Agrisales 1368 ab 887 a-d 380 a-c 101 a-e 5.8 c-g 25 f-h
--------------------------------------------------------------------------------
Fla. 7763 Univ Fla 1346 a-c 863 a-e 353 a-d 129 ab 5.9 c-g 24 gh
Fla. 7699 Univ Fla 1330 a-d 710 c-g 469 a 151 a 5.7 d-g 26 e-h
Fla. 7792 Univ Fla 1293 a-e 940 a-c 273 c-f 80 b-e 6.3 a-d 33 b-h
FTE 30 Petoseed 1228 a-f 848 a-e 310 b-f 71 b-e 6.1 a-e 29 e-h
Sun Leaper Novartis 1161 a-f 763 b-f 316 b-f 82 b-e 6.0 b-f 32 b-h
--------------------------------------------------------------------------- -
Florida 47 Asgrow 1136 a-f 807 a-f 251 c-f 78 b-e 6.2 a-d 23 h
HMX 2824 Harris Moran 1125 a-f 864 a-e 217 ef 44 de 6.5 ab 42 ab
XTM 6217 Sakata 1116 a-f 828 a-f 229 d-f 58 c-e 6.3 a-c 26 eh
FT 3260 Novartis 962 b-g 616 d-g 264 c-f 83 b-e 6.0 b-f 34 b-h
Suncrest Novartis 954 c-g 534 f-h 314 b-f 105 a-e 5.5 fg 42 a-d
--------------------------------------------------------------------------------
Captiva Petoseed 937 c-g 519 gh 308 b-f 110 a-d 5.6 e-g 33 b-h
Solimar Asgrow 928 d-g 563 d-h 289 b-f 76 b-e 5.8 c-g 38 a-e
RFT 4413 Novartis 893 e-g 552 e-h 251 c-f 90 a-e 5.9 b-g 30 d-h
STM 5206 Sakata 879 fg 601 d-g 199 f 78 b-e 6.2 a-e 36 a-g
SRT 6631 Sunseeds 855 fg 581 d-h 201 f 73 b-e 6.1 a-e 37 a-f
---------------------------------------------------------------------------------
Agriset 761 Agrisales 828 fg 561 e-h 195 f 72 b-e 5.8 c-g 42 a-c
Leading Lady Sunseeds 618 g 280 h 212 ef 126 a-c 5.3 g 47 a


zCarton = 25 lbs. Acre = 8712 linear ft of bed, beds on 5 ft centers. Grading belt hole sizes: Extra-large =
no belt, greater than 2.75"; Large = 2.75"; Medium = 2.5"; Cull = 2.25".
YBy weight.
"Mean separation within columns by Duncan's multiple range test, 5% level.











Table 3. Yields, fruit size and cull percentages of tomato entries for the first harvest, October 30,
1997.


Average
Marketable Yield (cartons/A)z Marketable Plant
Extra- Fruit Culls y Stand
Entry Total Large Large Medium Wt (oz) (%) (%)

Fla. 7792 456 ax 400 a 52 ab 3 ab 7.7 a-d 33 b-d 100 a
HMX 2824 435 a 393 a 42 a-c Ob 7.8 a 40 b 100 a
XPH 10091 418 ab 379 a 38 a-c 1 ab 7.9 a 31 b-d 100 a
Fla. 7763 371 a-c 338 ab 31 a-c 3 ab 7.4 a-d 25 b-d 100 a
Fla. 7699 341 a-d 274 a-d 61 a 7 a 6.7 d 25 b-d 95 a

Equinox 333 a-e 284 a-c 47 a-c 2 ab 7.0 a-d 21 cd 100 a
Sanibel 288 b-e 271 a-d 17 bc 0 b 7.8 ab 30 b-d 100 a
FT 3260 249 c-f 228 b-e 17 bc 3 ab 7.5 a-d 35 bc 98 a
XTM 6217 244 c-f 227 b-e 17 be Ob 7.5 a-d 18 d 98 a
Solar Set 242 c-f 211 b-e 27 a-c 4ab 7.0 a-d 32 b-d 100 a

Solimar 240 c-f 208 b-e 31 a-c 1 ab 6.8 b-d 31 b-d 100 a
Fla. 7791 234 c-f 197 b-e 34 a-c 3 ab 7.3 a-d 31 b-d 100 a
Agriset 761 233 c-f 219 b-e 14 bc Ob 7.1 a-d 41 b 100 a
STM 5206 220 d-f 189 c-e 28 a-c 3 ab 7.1 a-d 35 be 98 a
Sun Leaper 217 d-f 188 c-e 24 a-c 5 ab 7.1 a-d 22 cd 100 a

FTE 30 186 e-g 173 c-f 9c 4 ab 7.6 a-d 34 b-d 98 a
Florida 47 180 fg 169 c-f 11 be Ob 7.6 a-d 19 cd 100 a
RFT 4413 157 fg 146 c-f 11 be Ob 7.0 a-d 31 b-d 93 a
Suncrest 150 fg 125 ef 21 a-c 3 ab 6.7 cd 63 a 100 a
SRT 6631 144 fg 136 d-f 7 c 1 ab 7.7 a-c 29 b-d 100 a
---------------------------------------------------------------------------------------
Captiva 144 fg 134 d-f 7 c 2 ab 7.4 a-d 28 b-d 100 a
Leading Lady 55 g 42 f 11 be 2 ab 6.7 d 57 a 95 a


zCarton = 25 lbs. Acre = 8712 linear ft of bed, beds on 5 ft centers. Grading belt hole sizes: Extra-
large = no belt, greater than 2.75"; Large = 2.75"; Medium = 2.5"; Cull = 2.25".
YBy weight.
"Mean separation within columns by Duncan's multiple range test, 5% level.











Table 4. Yields, fruit size, and cull percentages of tomato entries for the second harvest, November
12, 1997.


Average
Marketable Yield (cartons/A)z Marketable Plant
Extra- Fruit Culls y Stand
Entry Total Large Large Medium Wt (oz) (%) (%)

Fla. 7791 619 ax 524 a 83 b-d 12 b-e 6.5 a-c 24 f-h 100 a
Fla. 7763 579 ab 426 a-c 128 ab 25 ab 6.0 cd 18 h 100 a
Fla. 7699 548 ab 338 a-d 175 a 34 a 6.2 a-d 19 gh 95 a
Sanibel 521 a-c 453 ab 66 b-d 2 de 6.7 a-c 27 d-h 100 a
Sun Leaper 519 a-c 378 a-d 129 ab 11 b-e 6.2 a-d 30 c-h 100 a

Fla. 7792 503 a-c 393 a-c 88 b-d 22 a-c 6.1 b-d 29 c-h 100 a
XPH 10091 500 a-c 433 ab 63 b-d 4 de 6.9 a-c 29 c-h 100 a
Equinox 498 a-c 373 a-d 118 a-c 7 c-e 6.1 b-d 26 e-h 100 a
Solar Set 471 a-d 375 a-d 88 b-d 9 b-e 6.3 a-d 25 f-h 100 a
XTM 6217 460 a-e 407 a-c 47 cd 6 c-e 6.8 a-c 30 c-h 98 a

Florida 47 440 a-e 392 a-c 45 cd 3 de 6.8 a-c 20 gh 100 a
FTE 30 436 a-e 369 a-d 64 b-d 3 de 6.7 a-c 31 b-g 98 a
RFT 4413 390 a-e 298 b-e 88 b-d 5 de 6.6 a-c 29 c-h 93 a
HMX 2824 354 b-e 290 b-e 57 b-d 7 c-e 6.3 a-d 40 b-d 100 a
Captiva 348 b-e 257 b-e 80 b-d 10 b-e 6.2 a-d 27 d-h 100 a

Solimar 296 c-e 224 c-e 62 b-d 10 b-e 6.5 a-c 36 b-f 100 a
FT 3260 295 c-e 226 c-e 57 b-d 12 b-e 6.3 a-d 40 b-e 98 a
SRT 6631 288 c-e 254 b-e 32 d 2e 7.1 a 37 b-f 100 a
Suncrest 281 c-e 230 c-e 47 cd 4 de 6.2 a-d 53 a 100 a
STM 5206 278 c-e 224 c-e 41 cd 12 b-e 7.0 ab 40 b-d 98 a
------------------------------------------------------------------
Agriset 761 241 de 184 de 50 b-d 7 c-e 6.2 a-d 41 a-c 100 a
Leading Lady 227 e 127 e 81 b-d 19 b-d 5.6 d 44 ab 95 a


"Carton = 25 lbs. Acre = 8712 linear ft of bed, beds on 5 ft centers. Grading belt hole sizes: Extra-
large = no belt, greater than 2.75"; Large = 2.75"; Medium = 2.5"; Cull = 2.25".
YBy weight.
xMean separation within columns by Duncan's multiple range test, 5% level.


A -











Table 5. Yields, fruit size, and cull percentages of tomato entries for the third harvest, November
24, 1997.


Average
Marketable Yield (cartons/A) Marketable Plant
Extra- Fruit Culls y Stand
Entry Total Large Large Medium Wt (oz) (%) (%)

Solar Set 657 ax 281 a-c 300 a 76 a-d 5.3 b-f 29 be 100 a
Sanibel 621 ab 350 a 203 b-d 68 b-d 5.4 a-d 25 c 100 a
FTE 30 606 ab 307 ab 237 ab 63 b-d 5.4 a-d 28 bc 98 a
Fla. 7791 543 a-c 217 a-d 226 a-c 100 a-c 5.1 c-h 31 a-c 100 a
Equinox 537 a-c 230 a-d 215 a-d 92 a-d 5.0 c-h 28 bc 100 a

Suncrest 522 a-c 179 b-d 246 ab 98 a-d 5.0 d-h 28 be 100 a
Florida 47 517 a-c 247 a-d 194 b-d 76 a-d 5.5 a-d 27 bc 100 a
XPH 10091 471 a-c 288 a-c 150 b-d 34 d 5.8 a 30 be 100 a
Leading Lady 448 a-c 148 cd 160 b-d 139 a 4.8 gh 32 a-c 95 a
Captiva 446 a-c 127 d 221 a-c 98 a-d 4.9 e-h 39 a-c 100 a

Fla. 7699 441 a-c 98 d 233 ab 110 ab 4.8 f-h 33 a-c 95 a
Sun Leaper 426 a-c 197 b-d 164 b-d 65 b-d 5.4 a-d 42 ab 100 a
SRT 6631 423 a-c 191 b-d 162 b-d 70 b-d 5.3 b-e 41 a-c 100 a
FT 3260 419 a-c 162 b-d 189 b-d 68 b-d 5.1 c-h 31 be 98 a
XTM 6217 412 bc 194 b-d 165 b-d 52 b-d 5.4 a-d 27 be 98 a

Fla. 7763 395 bc 99 d 194 b-d 101 a-c 4.7 h 32 a-c 100 a
Solimar 392 bc 132 d 196 b-d 64 b-d 5.1 c-h 42 ab 100 a
STM 5206 381 bc 187 b-d 130 cd 64 b-d 5.5 a-c 35 a-c 98 a
Agriset 761 354 c 158 cd 131 cd 64 b-d 5.0 c-h 43 ab 100 a
RFT 4413 346 c 109 d 152 b-d 85 a-d 5.0 d-h 32 a-c 93 a
-------------------------------------------------------------------------------------------
HMX 2824 336 c 181 b-d 118d 37 cd 5.6 ab 47 a 100 a
Fla. 7792 334 c 146 cd 133 cd 54 b-d 5.2 b-g 39 a-c 100 a

zCarton = 25 lbs. Acre = 8712 linear ft of bed, beds on 5 ft centers. Grading belt hole sizes:
Extra-large = no belt, greater than 2.75"; Large = 2.75"; Medium = 2.5"; Cull = 2.25".
YBy weight.
"Mean separation within columns by Duncan's multiple range test, 5% level.







Table 6. Late season ratings of fruit and plant characteristics for observational entries in trial, spring 1997.


Fruit Con- Persistent
Plant Fruit Fruit Fruit Fruit Blossom Finn- Internal Gray Radial centric Rain Black Green
Source/Entry Height Shoulder' Stem' Set" Size' Maturity" Shape' End" ness* Quality Blotchy' Wall' Zipper' Cracks' Cracks' Check' Shoulder' Shoulder' Comments'


Abbott & Cobb
ACR 6504
ACX 12A
Agrisales
Agricherry
Agriroma
Agriset 775
Asgrow
Exp. 10069
Exp. 10070
Exp. 10072
Exp. 10089
Exp. 10090
Sunbeam
Sun Pride
Daehnfeldt
LD 958922

LD 968905
Johnnys
Daybreak
Gold Dust
Johnny's 361
Pruden's Purple
Red Sun
Taxi
Valencia
Wonder Light

Yellow Pear
Novartis
FT 5303
FT 5306
RFT 5329
Supra

Petoseed
Puebla

Spectrum 882
Sakata
Marina
Veronica
Samen Mauser
SMX 007
Sunseeds
SRT 6629
Takii
30-B
Spouse Touch Boy


m 3.5 ug jo 3.0 3.0
s 4.0 ug jo 3.0 3.0

s 5.0 ug jo 5.0 2.0
m 4.0 ug jo 3.5 3.5
m 3.5 gb j2 4.0 4.0

s-m 4.5 ug jo 4.0 4.5
s 3.5 ug jo 4.0 4.0
t 4.5 ug jo 3.5 4.0
m-t 3.0 ug jo 3.5 4.0
m-t 3.5 gb jo 4.0 4.0
s 3.0 ug jo 4.0 3.0
s-m 2.5 ug jo 4.0 3.0

vt 3.5 gb jo 3.0 2.0

vt 4.5 dgb jo 3.0 1.5


3.5 dgb jo 4.0 4.0
4.5 ug jo 5.0 2.5
3.0 dgb jo 4.0 3.5
1.0 gb jo 1.5 4.0
3.0 Igb jo 2.5 3.5
4.0 ug jo 3.0 2.0
3.5 Igb jo 2.0 2.5
3.5 dgb jo 3.0 1.5


vvt 5.0 gb jo 2.0 1.0

t 3.0 gb jo 3.5 3.0
vt 3.0 Igb jo 3.0 4.5
vt 3.5 ug jo 3.0 3.0
t 4.0 ug jo 2.0 3.0


t 4.5 ug j2 2.5 3.0

s-m 4.0 ug jo 3.0 3.0

m-t 4.0 Igb j2 3.0 3.0
t 4.0 Igb j2 3.0 3.0

t 2.5 gb jo 3.5 3.5

vt 3.5 ug jo 2.5 4.0

s 4.5 gb jo 3.0 3,0
t 4.0 gb jo 1.5 2.0


3.0 4.0 fg 4.0
3.0 4.0 dp 3.5

5.0+ 5.0 rd 5.0
4.0 4.0 plum 3.5
2.0 3.0 dp/var 4.0

3.0 3.5 dp-f 5.0
3.0 3.5 dp-f 4.0
3.0 2.5 var 4.5
4.0 3.5 dp-var 4.5
4.0 3.5 f-dp 3.0
4.0 3.0 f 4.5
4.0 3.0 f 5.0

4.0 3.5 f-rd 5.0

4.0 3.5 dp-rd 5.0

4.0 3.5 rd-dp 4.5
5.0 3.0 dp-rd 3.0
4.0 3.0 f-rd 4.5
10 1 1.0 f 1.0
1.5 3.0 f 4.0
5.0 4.0 dp-rd 4.0
1.0 4.0 dp 4.5
3.0 3.0 lemon 5.0

4.0 4.5 pear 5.0

3.0 3.0 rd 4.0
2.0 3.0 f 3.5
2.0 4.0 rd/dp-rd 4.5
3.0 3.0 plum
cylinder 4.0

3.0 3.0 plum
cylinder 4.0
5.0 3.0 plum 5.0

3.0 4.0 plum 5.0
3.0 3.0 plum 4.5


4.0 4.0 5.0 5.0 4.9
3.5 3.5 5.0 5.0 5.0


3.0 4.0
3.0 3.5
4.0 3.5

2.0 4.0
3.0 3.0
4.0 4.5
2.0 3.5
2.0 4.5
2.0 3.0
2.5 2.5


5.0 5.0 5.0
5.0 5.0 5.0
4.5 5.0 5.0

5.0 5.0 5.0
4.0 5.0 5.0
4.5 5.0 4.7
5.0 5.0 5.0
5.0 5.0 5.0
5.0 5.0 5.0
5.0 5.0 4.8


3.0 1.0 5.0 5.0 5.0

3.0 v 3.5 5.0 5.0 5.0


3.0 3.5
1.5 5.0
2.5 3.0
1.0 3.5
2.5 3.0
2.0 3.5
1.5 3.0
2.0 3.5


5.0 5,0 5.0
5.0 5.0 5.0
5.0 5.0 5.0
5.0 5.0 4.5
5.0 5.0 4.7
5.0 5.0 5.0
5.0 5.0 5.0
5.0 5.0 5.0


1.5 4.0 5.0 5.0 5.0


4.0 5.0
4.0 4.5
4.5 4.5


5.0 5.0 4.7
5.0 5.0 5.0
5.0 5.0 5.0


4.0 3.0 5.0 5.0 5.0


3.0 4.5 5.0 5.0 4.7
3.0 3.0 5.0 5.0 5.0

3.5 3.0 5.0 5.0 5.0
3.0 3.5 5.0 5.0 5.0


4.0 3.5 f 4.0 4.0 4.0 5.0 5.0 5.0

2.0 4.0 g 4.0 2.0 3.5 5.0 5.0 5.0


5.0 45 rd 4.5
3,0 4.0 rd 4.5


5.0 3.5 5.0 5.0 4.9
3,5 2,5 5.0 5.0 4,9


4.0 4.0 3.0 4.0 5.0 grn fruit clean
5.0 4.0 3.0 3.0 5.0 grn fruit clean


5.0 4.7
4.5 4.7
4.0 4.0

4.5 4.0
4.5 4.0
4.5 3.0
4.5 5.0
4.5 5.0
3.0 4.0
3.0 4.0


cherry, irr splits from rain, yellow ge
moderate nipple tip, indented be
indented be, sl catface, sl split

tiger stripe, rain check on grn frt
sv catface, rain check on grn frt
glassy
grn fruit clean
catface
sl rain check on grn frt
sl rain check on grn frt


5.0 2.0 4.5 5.0 5.0 cluster, glassy, sv puffy, sl
indented be
5.0 4.7 5.0 5.0 4.7

4.5 4.0 3.5 4.5 5.0
5.0 3.0 1.0 4.5 5.0 orange
4.5 4.5 2.0 4.5 5.0 green shoulder to tiger stripe
4.0 4.7 4.7 5.0 4.0 catface, sv spider track
4.0 5.0 4.5 5.0 5.0 tiger stripe
4.5 4.7 4.5 5.0 5.0 lemon yellow
4.0 5.0 4.5 5.0 5.0 org fruit w/org-gold interior
5.0 5.0 4.0 5.0 5.0 lemon shape fruit, pinched
neck, prom nipple tip, sm cracks
5.0 5.0 4.8 5.0 5.0 lemon yellow interior, glassy


4.9 4.9
4.5 4.7
5.0 5.0


nipple tip
grn fruit clean


4.5 5.0 4.5 5.0 5.0 nipple tip, ber


4.7 5.0 4.0 5.0 4.5 sl nipple tip, indented be, sl ber
5.0 4.8 4.0 4.7 5.0 nipple tip absent

5.0 .0 4.0 5.0 5.0 nipple tip absent, indented be, in split-
5.0 5.0 4.5 5.0 5.0 sl nipple tip, indented be, irr splits

3.0 2.0 2.0 5.0 5.0 tiger stripe, cracks in gm frt

3,0 3.0 2.5 4,7 4.5 sl nipple tip

3,5 3,5 4.5 5.0 4.9 irr splits
5.0 4.5 5,0 5.0 5.0 v sturdy, no flopping pits







Table 6. Continued.

Fruit Con- Persistent
Plant Fruit Fruit Fruit Fruit Blossom Firm- Internal Gray Radial centric Rain Black Green
Source/Entry Height Shouldery Stemx Set" Size' Maturity" Shape' End' ness" Quality Blotchy Wall' Zipper' Cracks' Cracks' Check' Shoulder' Shoulder' Comments'

University of Florida Gulf Coast Research & Education Center
Fla. 7578 s 4.0 ug jo 4.0 4.0 5.0 3.0 r-var 4.5 2.0 3.5 5.0 5.0 5.0 4.0 4.0 3.5 4.5 5.0 50% puffy frt
Fla. 7712 t 3.5 ug jo 3.0 3.5 4.0 3.0 f-rd 4.0 2.5 3.5 5.0 5.0 5.0 3.5 5.0 4.0 5.0 5.0
Fla. 7713 m 3.0 ug jo 4.0 4.0 4.0 2.5 var f-dp 4.5 3.0 3.0 5.0 5.0 4.9 4.0 4.5 3.5 4.7 5.0 nipple tip, tiger stripe
Fla. 7714 m 3.5 ug jo 4.0 3.5 4.0 3.5 dp 4.5 3.5 3.5 5.0 5.0 5.0 3.5 4.5 3.5 5.0 5.0 tiger stripe
Fla. 7734 m 3.0 Igb jo 4.0 3.0 4.0 3.0 f-g 4.0 2.0 4.5 5.0 5.0 4.7 4.0 4.5 3.5 4.0 5.0
Fla. 7749 m 3.5 ug j2 4.0 3.5 3.0 3.5 f-rd 3.5 2.0 3.5 5.0 5.0 5.0 4.0 4.0 3.5 4.5 5.0 nipple tip
Fla. 7754 m 3.0 ug j2 4.0 3.5 3.0 3.0 var dp 4.0 3.0 3.0 5.0 5.0 5.0 3.0 4.7 2.5 4.7 5.0 rain check in gm frt, indented be.
puffy, off-shape
Fla. 7760 m 4.0 Igb jo 3.0 4.0 4.0 4.0 sldp-rd 3.5 4.5 3.5 5.0 5.0 4.8 3.0 4.5 3.0 4.0 5.0
Fla. 7762 m 3.0 Igb jo 3.5 4.0 4.0 3.0 rd-f 3.5 3.0 3.0 5.0 5.0 4.5 4 4. 4.0. 0 0 4.0 5.0
Fla. 7784 m 3.0 ug jo 3.0 3.0 3.0 3.0 f 3.5 3.0 3.5 5.0 5.0 4.9 4.5 5.0 4.5 5.0 5.0
Fla. 7785 s 3.5 ug jo 4.0 3.5 5.0 3.5 f-rd 3.0 3.0 3.0 5.0 5.0 4.9 4.0 4.5 3.0 3.5 5.0 rain check in gm frt
Fla. 7786 m 3.5 ug jo 4.0 3.5 5.0 3.0 f-rd 4.0 2.5 3.0 5.0 5.0 5.0 4.5 4.0 3.0 3.5 5.0
Fla. 7787 s 3.0 ug jo 4.5 3.0 4.0 3.0 f-rd 3.0 2.0 3.0 5.0 5.0 4.9 4.0 4.0 3.0 4.5 5.0
Fla. 7788 t 3.5 ug j2 3.0 3.0 4.0 3.5 dp-rd 3.5 2.5 3.0 5.0 5.0 5.0 4.0 4.9 3.5 4.0 5.0
Fla. 7793 m 3.5 ug j2 3.5 3.0 3.0 3.0 dp 3.5 3.0 2.5 5.0 5.0 5.0 4.5 4.5 3.5 5.0 5.0
Fla. 7794 t 4.0 Igb j2 4.0 4.0 4.0 3.5 dp 4.0 3.0 2.5 5.0 5.0 5.0 4.0 4.5 3.0 4.0 5.0 spider tracks
Fla. 7795 m 3.5 Igb j2 3.0 3.5 4.0 3.0 f-dp 4.0 3.0 2.5 5.0 5.0 5.0 4.5 4.5 3.0 5.0 5.0
Fla. 7796 s 3.5 gb jo 4.5 3.5 5.0 3.5 rd-dp 4.0 3.5 3.0 5.0 5.0 5.0 4.0 4.5 2.5 4.0 5.0 sl tiger stripe
Fla. 7797 m 3.5 gb jo 3.5 3.5 4.0 3.0 f-rd 4.0 4.0 4.5 5.0 5.0 5.0 4.0 4.5 3.5 4.0 5.0
Vilmorin
V104 s-var 4.0 Igb jo 3.0 3.0 4.0 1.5 plum 3.5 4.0 4.5 5.0 5.0 4.8 4.0 5.0 4.0 4.0 5.0 ber, irr cracks, strong nipple tip:-
Western Seed
844413 t 4.5 ug jo 3.5 2.0 4.0 4.5 rd 5.0 4.0 2.0 5.0 5.0 5.0 4.9 4.0 5.0 5.0 5.0 cluster, interior bundles prom
860370 vt 3.0 Igb jo 2.5 2.5 3.0 3.5 f 4.0 4.5 3.0 5.0 5.0 4.9 5.0 5.0 4.7 5.0 5.0
879218 vt 4.5 ug jo 3.0 1.5 4.0 4.5 rd 5.0 4.0 2.5 5.0 5.0 5.0 5.0 3.5 4.5 5.0 5.0 cluster, yellow gel
Durinta vt 4.5 ug jo 3.5 2.0 4.0 4.5 rd 5.0 4.0 2.5 5.0 5.0 5.0 5.0 4.0 4.0 5.0 5.0 cluster, yellow interior


zAbbreviations: s = short, m = medium, t = tall, v = very, var = varies.
Y1 = rough, 5 = smooth, gb = green base, Igb = light green base, ug = uniform green.
"jo = jointed, j2 =jointless.
w" = poor, 5 = excellent.
'1 = small, 5 = extra large.
"1 = late, 5 = early.
tl = inconsistent, 5 = very consistent, dp = deep, f= flat, g = globe, rd = round, var = varies.
sl = severe, 5 = absence of defect.
rAbbreviations: be = blossom end, ber = blossom end rot; frt = fruit, grn = green, irr = irregular, org = orange, prom = prominent, sv = severe, sl = slight, v = very.
w/= with. Definitions: catface = distorted shape, scars and gaps at blossom end and sides of fruit; glassy = vascular bundles visible through fruit epidermis, nipple
tip = pointed blossom end; puffy = unfilled spaces in the interior of fruit between solid seed mass and fleshy part of skin; spider track = small, white, tan or green
streaks on fruit radiating from stem.






DOCUMENT

The Gulf Coast Research and Education Center


The Gulf Coast Research and Education Center is
a unit of the Institute of Food and Agricultural Sci-
ences, University of Florida. The Research Center
originated in the fall of 1925 as the Tomato
Disease Laboratory with the primary objective of
developing control procedures for an epidemic out-
break of nailhead spot of tomato. Research was ex-
panded in subsequent years to include study of sev-
eral other tomato diseases.

In 1937, new research facilities were established
in the town of Manatee, and the Center scope was
enlarged to include horticultural, entomological, and
soil science studies of several vegetable crops. The
ornamental program was a natural addition to the
Center's responsibilities because of the emerging in-
dustry in the area in the early 1940's.

The Center's current location was established in
1965 where a comprehensive research and extension
program on vegetable crops and ornamental plants is
conducted. Three state extension specialists posi-
tions, 16 state research scientists, and two grant
supported scientists from various disciplines of
training participate in all phases of vegetable and
ornamental horticultural programs. This interdisci-
plinary team approach, combining several research
disciplines and a wide range of industry and faculty
contacts, often is more productive than could be ac-
complished with limited investments in independent
programs.


The Center's primary mission is to develop new
and expand existing knowledge and technology, and
to disseminate new scientific knowledge in Florida, so
that agriculture remains efficient and economically
sound.

The secondary mission of the Center is to assist
the Cooperative Extension Service, IFAS campus
departments, in which Center faculty hold appropri-
ate liaison appointments, and other research centers
in extension, educational training, and cooperative
research programs for the benefit of Florida's pro-
ducers, students, and citizens.

Program areas of emphasis include: (1) genetics,
breeding, and variety development and evaluation;
(2) biological, chemical, and mechanical pest manage-
ment in entomology, plant pathology, nematology,
bacteriology, virology, and weed science; (3) produc-
tion efficiency, culture, management, and counteract-
ing environmental stress; (4) water management and
natural resource protection; (5) post-harvest physiol-
ogy, harvesting, handling and food quality of horti-
cultural crops; (6) technical support and assistance to
the Florida Cooperative Extension Service; and (7)
advancement offundamental knowledge ofdisciplines
represented by faculty and (8) directing graduate
student training and teaching special undergraduate
classes.


Location of
GCREC Bradenton


IFAS IS:
" The Institute of Food and Agricultural Sciences,
University of Florida.
Q A statewide organization dedicated to teaching,
research and extension.
" Faculty located in Gainesville and at 13 research
and education centers, 67 county extension
offices and four demonstration units throughout
the state.
D A partnership in food and agriculture, and natural
and renewable resource research and education,
funded by state, federal and local government,
and by gifts and grants from individuals, founda-
tions, government and industry.
Q An organization whose mission is:
Educating students in the food, agricultural.
and related sciences and natural resources.
Strengthening Florida's diverse food and
agricultural industry and its environment
through research.
Enhancing for all Floridians, the application
of research and knowledge to improve the
quality of life statewide through IFAS exten-
sion programs.




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