Soybean Aphid Efficacy Evaluation

Date
2013-01-01
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Hodgson, Erin
Hodgson, Erin
VanNostrand, Gregory
Sievers, Joshua
Rusk, Ryan
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Abstract

Soybean, Glycine max (L.), grown in Iowa and most of the north central region of the United States has not required regular insecticide use. The soybean aphid, Aphis glycines (Hemiptera: Aphididae), causes yield losses from direct plant feeding, and has been shown to transmit several plant viruses. In Iowa, soybean aphid can colonize soybean fields in June and has developed into outbreaks in July and August capable of reducing yields by nearly 40 percent.

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Entomology
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