Abstract

Abstract A small plot insecticide screening trial was conducted at the Northeast Research Station near St. Joseph, LA, to evaluate the efficacy of selected insecticides for control of SBL. Plots measuring 12.2 m × 8 rows (0.5 m row spacing) were planted on 1 Jun in a RCBD with 4 replications. Insecticides were applied on 20 Aug to ‘Deltapine 415’ soybeans in the R4 growth stage using a tractor and compressed air sprayer calibrated to deliver 93.5 liters/ha at 3.71 kg/cm2 through 6502VS flat fan nozzles. At 2 and 8 DAT, one 25 sweep sample was taken from each plot with a standard 38.2 cm diam sweep net.

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