The University of Nebraska recommends insecticide treatment for soybeans when Japanese beetle damage is estimated to exceed 30% defoliation during vegetative stages and 20% in reproductive stages.
Have you seen soybean plants looking like this in your customers’ fields? AgVenture agronomy expert Louis Sutton says that he is seeing Japanese beetles feeding on corn silks and moving to soybeans in fields out west. The University of Nebraska recommends insecticide treatment for soybeans when Japanese beetle damage is estimated to exceed 30% defoliation during vegetative stages and 20% in reproductive stages. Want to know more about Japanese beetle feeding on your corn and soybeans? Check out our previous blog post: Japanese Beetles continue to spread westward.