Open AccessGreen Cloverworm Control on Soybean, 1980
Author(s) -
Gary L. Lenrz
Publication year - 1981
Publication title -
insecticide and acaricide tests
Language(s) - English
Resource type - Journals
ISSN - 0276-3656
DOI - 10.1093/iat/6.1.148
Subject(s) - loam , sprayer , acre , randomized block design , mathematics , row , thinning , horticulture , agronomy , environmental science , soil water , forestry , soil science , biology , statistics , geography , computer science , database
Forrest variety soybean was planted May 6 on Collins silt loam soil (pH 7) at the Milan Experiment Station, Milan, TN. Four-row plots, 50 ft long, were replicated 4 times in a randomized complete block design. Pretreatment counts were made by taking 17 20-sweep samples over the entire plot area. Insecticides were applied Aug 22 with a 4-row boom at the rate of 9.4 gal of mixture per acre, 3 mph, 40 psi, 3 Delavan HB 4 70° nozzles per row, with a CO2-pressurized system mounted on an IH 660 high clearance sprayer. Evaluations were made Aug 25 by taking a 20-sweep sample from each of the two center rows. The center two rows of each plot were harvested Oct 8.
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