Abstract
Abstract Ten insecticide treatments were evaluated for control of CSPW in winter canola at the Bledsoe Research Farm near Griffin, GA. Canola was planted on 14 Oct in 7 inch rows with a grain drill. Treatments were applied at 50% bloom on 7 Apr and 7 d later at full bloom using a CO2-powered backpack sprayer (20 psi) equipped with 003 flatfan nozzles which delivered 27 gal/acre. Plots measured 30 × 30 ft and were arranged in a RCBD with 4 replications. CSPW adults were sampled at 0 (pretreatment), 3, 7, 10 and 14 DAT by taking 6 sweeps per plot with a 15-inch diam sweep-net. The percentage of CSPW infested pods was measured by inspecting 200 pods/plot on 25 May. The center 2 drill passes were harvested on 11 Jun with a small-plot combine. Grain weight and test weight were measured, and yields were adjusted to 8% moisture content.
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