Open AccessApple, Mite Control, 1984
Author(s) -
F. R. Hall,
S. R. Aim
Publication year - 1986
Publication title -
insecticide and acaricide tests
Language(s) - English
Resource type - Journals
ISSN - 0276-3656
DOI - 10.1093/iat/11.1.13
Subject(s) - acre , mite , horticulture , acaricide , replicate , cultivar , pesticide , biology , sampling (signal processing) , toxicology , botany , mathematics , agronomy , engineering , statistics , filter (signal processing) , electrical engineering
Test pesticides were applied to 20-year-old Red Delicious, Golden Delicious, Jonathan, and Stayman apple trees planted 40 ft by 40 ft in dilute sprays (270-300 gal/acre). We used a randomized design with each cultivar as a replicate. Applications were made with a handgun at 450 psi on 10 and 29 May, 5 and 20 Jun, 3 and 17 Jul, and 1 and 15 Aug. All treatments included Cyprex 65WP at ½ lb/100 gal. European red mite (ERM) populations were assessed by sampling 25 leaves per tree, brushing mites onto glass plates treated with Tween 20 in the laboratory.
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