Control of Colorado Potato Beetles with Systemic Insecticides in White Potatoes, 1980

‘Superior’potato seed pieces were planted 10 In apart in 25 ft rows on 36 in centers in sandy loam soil on Apr 18 ‘80. In-furrow treatments were applied in a 6 in band with wheel-driven Noble applicators attached to a two-wheeled bicycle sprayer operated at 2 mph. Sidedress treatments were applied May 29 with a hand shaker 4 in out from the plants on each side of the row and lightly incorporated. Colorado potato beetles were counted on May 29; damage evaluation was determined by percent defoliation on Jun 16 and 25. Plots were harvested on Jul 15.