Abstract
Abstract Insecticide treatments were applied to sweet corn in Fargo, ND. Each treatment was replicated 3 times in a completely randomized test. Plots consisted of 3 rows of sweet com approximately 27 m long. There were 2 guard rows on the edges of the field. Treatments were applied to the center row in each plot. Ten days prior to insecticide application, 25 plants in the center of each row were marked for treatment and infested with corn borer egg masses (in the black head stage) supplied by the Corn Insects Research Laboratory, Ankeny, Iowa. The treatments were applied in the whorl of the corn plants in late Jul. Analyses are based on data from examination of ears (harvest) and stalks (fall) for borer larvae. Analyses of variance and Duncans Multiple Range Tests were conducted with borer counts from ears, stalks and ears and stalks combined. Data were transformed by .
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