Seed treatment effect on soybean aphid

Seed treatment effect on soybean aphid
An early infestation of soybean aphid in northeast Iowa was documented on July 11, 2003. A check plot (left) with soybean aphid populations over 2,500 per plant is shown next to an insecticide seed treated plot (right) with soybean aphid populations of about 100 per plant. (Palle Pedersen)
Updated 01/26/2006 - 2:52pm