Title: Cabbage insect control in the Hastings area
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 Material Information
Title: Cabbage insect control in the Hastings area
Physical Description: Book
Creator: Workman, Ralph B.
Publisher: Agricultural Research Center,
Copyright Date: 1982
 Record Information
Bibliographic ID: UF00076595
Volume ID: VID00001
Source Institution: University of Florida
Holding Location: University of Florida
Rights Management: All rights reserved by the source institution and holding location.
Resource Identifier: oclc - 145586971

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AGRICULTURAL RESEARCH CENTER, HASTINGS, FLORIDA


Hastings ARC Research Report HAS1982-1


October 1982


CABBAGE INSECT CONTROL IN THE HASTINGS AREA
R. B. Workman, Assoc. Entomologist


FOLLOW ALL DIRECTIONS FOR USE AND SAFETY ON THE PESTICIDE LABEL AT ALL TIMES

Cabbage Insecticide Amount Cutoff
insects (E-Emulsible) per acre/ (days) L .


Dibrom 8E 1 qt. 1 One appli action4 0 Syket ic aph cide
Dimethoate 2.67E 1-1 1/2 pts. 3 applied w ep the leaves begin to cup
Cabbage Meta-Systox-R 2E 1 .1/2 pts. 7 usually gt~i~a.eagg )onf control .
aphid Monitor 4E 1 pt. 35Y/ Good coverage'T -- E-s97f*( d and
Parathion 8E 1/2 pt. 10 yellowed areas cannot be c d up.
Phosdrin 2E 1 pt. 1 Aphids are not attracted to headed cab-
Systox 2E 1 1/2 pts. 21 bage--sprays are not needed.
Loopers, Ambush 2E 3.2 oz. 1 Fully registered 10/82. Best cpds for
Diamond- Pounce 3.2E 2 oz. 1 caterpillars, excellent on others.
back moth Pydrin 2.4E 2.7 oz. 3 Higher dosages are not needed.
Bacillus Cpds: Bactur, Dipel, Thuricide, Sok, etc. See label directions.
Other Lannate,Nudrin 90S 1/2-1 lb. 1 Large worms are difficult to control.
cater- Monitor 4E 1 pt. 35D/ Broccoli-14 days, cauliflowr-28 days.
pillars, Dibrom 8E 1 qt. 1 Compounds for loopers control most
Cutworms Parathion 1/2 pt. 10 species. Control cutworms with sprays
Phosdrin 2E 1 qt. 1 or drenches.
M. cricket Diazinon 4E 1 pt. 7 Drench or spray. Do not increase
Cutworm Parathion 8E 1/2 pt. 10 dosage. Burning may result.
(seedbed) Baits Apply during late afternoon.

a/ Adjust dosage for different formulations (2E, 4E, 8E, WP, etc).
b/ 21 days for heads harvested with 1-4 wrapper leaves, 28 days with 5-7, 35 days with
over 7. In tests at Hastings, 81% of Monitor residues occurred on the wrapper leaves,
50% on leaves 5-7 from the head. Reduce numbers of leaves packed to reduce residues.
Ambush, Pounce, Pydrin: A new class of insecticides highly effective on most insects
including large cabbage loopers where some materials fail. Will control loopers in
May-June. Registered on cabbage, broccoli, cauliflower, potatoes, and other crops--
more to follow. See labels. Control of some armyworms may depend on exposure after
treatment to sunlight, dry soils, predators, etc as recovery has occurred in lab tests
under cool-moist conditions. Sprays in the late afternoon may be less effective.
Spray nozzles: Tests on cabbage at Hastings show that 1 nozzle overhead and 2 on drops,
40 in. apart, spraying upwards at the lower side of the leaves (where most adults, eggs
and larvae are found) gave better caterpillar control than designs spraying down at the
plants. Control with 50 gals/A and 250 psi was best. Insecticides in fewer gals/A at
175, 150, and 100 psi gave poorer control even when the dosage was increased.
Sprays: Calibrate sprayers carefully. Identify the pest. ID chart is available., Use
fresh materials. Make sure you use the most effective material as changes occur eAch
year. Use correct dosage for each particular insect and keep records of all pesticides
and dates applied. Keep all pesticide containers locked up when not in use.
Chop & disc: All field crops and gardens after harvest to limit pest buildup and spread.


HAS1982-1




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