Field specialists and crop advisors in southern and western Iowa report the development of potentially serious corn leaf aphid infestations. Insecticide treatment is ineffective while the tassels are still in the whorl, but fields with in-whorl aphid populations need to be watched.
Iowa State University
Pope, Richard O. and Tollefson, Jon J., "Be aware of corn leaf aphids" (1998). Integrated Crop Management News. 2260.
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