HISTORIC NOTE
The publications in this collection do
not reflect current scientific knowledge
or recommendations. These texts
represent the historic publishing
record of the Institute for Food and
Agricultural Sciences and should be
used only to trace the historic work of
the Institute and its staff. Current IFAS
research may be found on the
Electronic Data Information Source
(EDIS)
site maintained by the Florida
Cooperative Extension Service.
Copyright 2005, Board of Trustees, University
of Florida
u ,.
Time to spray
Mid-winter, any time
before bud swell
SPRAY PROGRAM FOR FLORIDA DOORYARD GRAPES
SJohn A. "ortensen
M ^oo
Amount spreader-
per sticker
S1 n n T rr-1 rI n
Days
before
harvest
Spray material 't'a Ui d __9 J. ares
(Fungicides)
f ~ 2 _- _- ^c
1/5 int +
Basic copper suifiaut -tem '.
Fungus or insect
controlled
anthracnose
Liquid lime-sulfur _.. -- -
j~i~m -i^ - ---- r, ^. ^ \ ^blac i>~+ +. p -u c
Bearing vines: when new
shoots begin growing;
repeat every 10 days
thereafter until berries
are 1/2 inch in diameter;
after harvest, spray
every 30 days until
Oct. 1.
Non bearing vines:
apply monthly during
(Fungicides)
Maneb with zinc
sulfate3
or CaDtan
1 TBS.
2 TBS.
anthracnosee
black rot
bitter rot
riue rot
leaf spot
down mildew
active grow h.
Mix with the above fungi-} (Insecticides) 4
cide application (except Malathion 50-57% EC 2 tsp. 1/2 3 (aphids (Malathion only
during flowering) when or Malathion 25% Wp5 4 TBS. 1 3 caterpillars
insect damage appears; or Sevin 50% WP 2 TBS. 1 0 < leafhopoers
otherwise omit or Sevin 80% WP 4 tsp. 1 0 flea beetles *(blue)
insecticide .. or Sevin 23-25% flowable 4 tsp. 1 0 fruit beetles, wasps
Any time powdery mildew (Fungicide)
appears, except within Karathane 25% WP 1 tso. 1 21 powdery mildew
3 weeks of harvest
Any time ants are (Insecticide) Apply as a drench to
damaging the grape Chlordane 44% EC 2 tsp. 0 ant beds, not plants,
foliage to control ants.
1 This is the recommended minimum number of days between last'application of the
2 For bunch grapes only; omit for muscadines.
3 Manzate D, Dithane M22 Special, or similar products where maneb and zinc
mechanically or chemically mixed.
EC = emulsifiable concentrate.
5 WP = wettable powder.
Note: TBS = tablespoon: tsp = teaspoon
Mimeo Report WGL 71-1, Watermelon and Grape Investigations Laboratory, Lee:
200 Copies
Desticide and harvest.
JUL24 1972
urg, July 8, 1970
19 .v.f t
1l1
f -1 _-.? 1
other funai
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