Open AccessPeach, Green Peach Aphid Control, 1985
Author(s) -
Henry W. Hogmire,
Walid Kaakeh
Publication year - 1986
Publication title -
insecticide and acaricide tests
Language(s) - English
Resource type - Journals
ISSN - 0276-3656
DOI - 10.1093/iat/11.1.79
Subject(s) - sprayer , aphid , randomized block design , horticulture , tree (set theory) , mathematics , environmental science , block (permutation group theory) , biology , toxicology , agricultural engineering , agronomy , engineering , combinatorics
Insecticides were applied to 5 single-tree replications of 6-year-old trees in a randomized block design. Sprays were applied to runoff on 18 Apr (approximately petal fall stage) with a Myers V7710-5E02G hydraulic sprayer equipped with a handgun and operated at a pressure of 200 psi. Treatment effectiveness was determined on 21 May by counting the number of GPA colonies found on each tree.
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