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Spray Program For Bunch
W. C. Adlerz
SUniversity of Florida
ARC Leesburg
Jan. 24, 1980

When to spray
Bud break to flowering
(or later for beetle)

Pre-bloom and
2-4 weeks after bloom

Late April through
May, weekly
Post harvest

As needed

Insecticide
Malathion or
Methoxychlor or
Carbarvl

Pest
Flea beetle
Leafhopper

Methoxychlor or Leafhopper
Carbaryl

Malathion Seed1
chalcid
(as above) Leafhopper
Malathion Aphids
Methoxychlor Leafhoppers 2
or Caterpillars
Carbaryl / -_Fruit beetles
Carbaryl/ Wasps -
Carbaryl Ants3

No recommendation available .' I-~,Sotborer
Malathion 1.5 pints 57% emulsifiable concentrate/100 gal. water
1.5 t/gallon ----..
Days before harvest 3 --.
Carbaryl 2 pounds 50% Carbaryl wettable powder/100 gal. water
2 T/gallon
Days before harvest 0
Methoxychlor 2 pounds 50% methoxychlor wettable powder/100 gal. water
2 T/gallon
Days before harvest 14

1When this insect is a problem preventive spraying will be needed.
2Grape leaf folder, leaf skeletonizer, hornworms, berry moths.

3Ants can be controlled with 1% carbaryl spray = 16 pounds 50% wettable
powder per 100 gallons water applied to the soil.

Leesburg ARC Research Report (WG 80-1)
100

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Grapes

IFAS