Open AccessPrebloom Control in Alfalfa Seed, 1988
Author(s) -
L. K. Tanigoshi,
Jonathan M. Babcock
Publication year - 1989
Publication title -
insecticide and acaricide tests
Language(s) - English
Resource type - Journals
ISSN - 0276-3656
DOI - 10.1093/iat/14.1.181
Subject(s) - sprayer , acre , seeder , randomized block design , mathematics , irrigation , boom , horticulture , agricultural engineering , environmental science , agronomy , sowing , engineering , agroforestry , statistics , biology , environmental engineering
Trials were conducted in a 3-yr-old stand of‘Vernema’ seed alfalfa near Gardena, Walla Walla County, Wash. Treatments of Counter 15 G were applied 18 Apr to 0.01-acre plots with a hand-held Whirlybird seeder in a randomized complete block design with 4 replicates. Plots were scheduled for an irrigation interval within 24 h of application. A standard commercial combination of Furadan + Cygon was applied 20 May with a CO2-powered backpack sprayer with a 4-ft boom calibrated to deliver 27 gal/acre at 30 psi. Each sample consisted of 5 sweeps/plot with a 15-inch-diam sweep net.
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