Open AccessCorn Earworm Control with Foliar Insecticides, 1985
Author(s) -
Robert M. McPherson,
Steven D. Weeks,
Teresa P. Hynson
Publication year - 1986
Publication title -
insecticide and acaricide tests
Language(s) - English
Resource type - Journals
ISSN - 0276-3656
DOI - 10.1093/iat/11.1.345
Subject(s) - sprayer , acre , randomized block design , mathematics , row , horticulture , block (permutation group theory) , agronomy , toxicology , biology , statistics , computer science , geometry , database
Insecticides were foliar-applied on 28 Aug, on ‘Essex’ soybean conventionally planted on a 36-inch row spacing on the Russell Settle farm in Richmond County, VA. Individual plots were 4 rows × 75 ft spaced 6 ft apart with 3-ft alleys. A complete randomized block experimental design was utilized with 4 replications. Each spray concentrate was applied with a CO2 powered compressed air sprayer at 29 psi that delivered 22.7 gal of finished formulation per acre. Individual treatments were evaluated 1, 3, and 7 days after application by comparing the number of CEW per 25 sweeps in the treated plots to those in the untreated checks.
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