Abstract

Populations of Empoasca fabae (Harris) were compared on soybean varieties having different types and amounts of pubescence. The orientation of the hairs was more important in resistance to the leafhopper than the number of hairs. Glabrous strains of soybeans were damaged by leafhoppers more than other strains. Fewer pods were aborted, and the glabrous strains had a significant increase in yield, number of pods per node, pods per main stem, and weight per 100 seeds when the leafhoppers were controlled with an insecticide.

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