This trial is conducted annually to demonstrate unique, full-seasonColorado potato beetle (CPB), Leptinotarsa decemlineata Say, managementstrategies for Wisconsin growers that illustrate effectivechemical mode of action rotations designed to reduce the risk oflong-term insecticide resistance development in commercial potatoproduction. Potato, Solanum tuberosum cv. ‘Russet Burbank’treated and untreated B-size tubers were hand-planted May 1, 2019,on a loamy sand soil at the University of Wisconsin’s HancockAgricultural Research Station, located 1.1 miles west of Hancock,Wisconsin (44.118880 N, ?89.552985 W). Four replicate blocksof six experimental plots were arranged in a randomized completeblock design. Plots measured four rows (12 f.) wide by 20 ft long.Plots were separated by one untreated guard row and 8 ft of tilledground. The entire trial measured 48 ft wide by 216 ft long.
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