Open AccessFall Cabbage Insect Control, 1984
Author(s) -
J. Whalen,
H. Vanderhoef
Publication year - 1985
Publication title -
insecticide and acaricide tests
Language(s) - English
Resource type - Journals
ISSN - 0276-3656
DOI - 10.1093/iat/10.1.84
Subject(s) - sprayer , cabbage looper , randomized block design , acre , horticulture , nozzle , biology , larva , botany , agronomy , engineering , trichoplusia , noctuidae , mechanical engineering
Cabbage was transplanted on 17 Jul, near Georgetown, DE. Two-row plots, 20 ft long on 30-inch centers, were replicated 4 times in a randomized complete block design. Foliar treatments were applied with a wheelbarrow design, Co2 pressurized sprayer using a drop nozzle system (3 nozzles/row) operated at 40 psi delivering 71 gal/acre. Treatments were applied on 1, 9, 15, 22 and 29 Aug, and 5, 12, and 25 Sept, for a total of 8 applications. Imported cabbage worm (ICW) and cabbage looper (CL) larvae were counted on each of 10 plants within each plot on a weekly basis from 1 Aug to 3 Oct.
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