Soybean Aphid Aphis glycines Matsumura (Homoptera: Aphididae) Insecticide Performance in Floyd County, Iowa

摘要

In 2005 the soybean aphid reached economic populations in many Iowa counties, and a frequent question of growers was “What product offers the highest level of soybean aphid control under Iowa conditions?” To help answer this question we established a replicated field experiment at the Northeast Research Farm located in Floyd County, IA.