Open AccessEvaluation of Soybean Looper Control Using Bacillus thuringiensis Biocides on Soybean in Louisiana, 1997
Author(s) -
M. E. Baur,
B. J. Fitzpatrick,
D. J. Boethel,
S. Micinski,
J. L. Rabb
Publication year - 1998
Publication title -
arthropod management tests
Language(s) - English
Resource type - Journals
eISSN - 2155-9856
pISSN - 2155-9848
DOI - 10.1093/amt/23.1.279
Subject(s) - sprayer , bacillus thuringiensis , biology , horticulture , crop , agronomy , bacteria , genetics
Efficacy of biocides derived from the bacterium bacillus thuringiensis against soybean looper was evaluated in a small-plot trial conducted at the Red River Research Station located near Bossier City, LA (Bossier Parish). Treatments were applied on 28 Aug to ‘Hartz 66’ soybeans in the R5 growth stage with a high-clearance, CO2-pressurized sprayer calibrated to deliver 5.9 gpa at 60 psi through TXVS6 hollow cone nozzles. Plots were 50 ft X 4 rows (40-inch centers) and arranged in a RCBD with 4 replications. One 25-sweep sample per plot was taken with a standard 15-inch diam sweep net at 3 and 7 DAT. Data were analyzed with ANOVA and means separated by Duncan’s New MRT (DNMRT).
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