Abstract
Abstract Potatoes were planted 24 May, at the University of Minnesota Agricultural Experiment Station, Rosemount MN. Plots were 40 ft long, with 40 inch row spacing, randomized in complete blocks with 3 replications. Insect numbers were estimated by counting nymphs on the underside of 30 leaves per plot. Foliar sprays were applied using a C02 powered hand-sprayer delivering 36 gal of water/acre at 35 psi. Treatments were applied 27 Jul, and evaluations were made 7 days posttreatment.
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