Abstract
Abstract Eggplant were transplanted to a Sassafras sandy loam field on 7 Jun. Single-row plots were 15 ft long and 5 ft wide; a guard row buffered each treated row. Treatments were replicated 4 times in a randomized complete block design. Foliar sprays were applied with a self-propelled, high-clearance sprayer with a drop nozzle on either side of the row and 1 nozzle over the center calibrated to deliver 83 gal/acre at 200 psi. Treatments were applied 22 Jun, 2, 12, 20 and 31 Jul. Colorado potato beetle (CPB) counts were recorded 3 and 23 Jul. Percent defoliation caused by CPE feeding was recorded on 3 Jul and 1 Sep. Mature fruit were harvested on 2, 15, 28 Aug, 11 and 27 Sep. All fruit were examined for percent damage or scarred fruit caused by CPB feeding. Plots were irrigated when moisture was below normal.
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