Some Studies on the Planting Rate of Corn in Relation to Oviposition, Population and Injury by the European Corn Borer

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Abstract
This report relates to some of the progress made during two seasons of study pertaining to the planting rate of corn in relation to corn borer (Pyrausta nubilalis Hubn.) behavior with special reference to oviposition, population, survival and injury. Egg distribution in the different rates of planting did not appear to be directly proportional to either unit area or plant units but was more dependent on the former. Populations were greater in the thinner plantings and larval survival increased with the thickness of stand. The injury also seemed greater in the sparser plantings.

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