Open AccessSpray Volume Trial, 1986
Author(s) -
D. G. Pfeiffer,
L. F. Ponton,
M. Varn
Publication year - 1989
Publication title -
insecticide and acaricide tests
Language(s) - English
Resource type - Journals
ISSN - 0276-3656
DOI - 10.1093/iat/14.1.30
Subject(s) - sprayer , replicate , sampling (signal processing) , horticulture , volume (thermodynamics) , biology , mathematics , forestry , geography , agronomy , statistics , computer science , physics , computer vision , quantum mechanics , filter (signal processing)
Savey 50 W (hexythiazox) was applied in 3 different volumes of water: 189.2, 473.1, and 946.2 liters/ha. Each plot consisted of 0.1 ha. Treatments were applied with a truck-mounted Swanson airblast sprayer at pink stage of bud development (9 Apr). An additional plot consisted of an untreated control. Mites were sampled from 4 trees/treatment. One 20-leaf replicate was collected from each tree on each sampling date. Mites were removed from leaves with a leaf-brushing machine and counted under a binocular microscope.
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