Japanese beetle adults are beginning to emerge in eastern Nebraska corn and soybeans, as well as landscape trees and shrubs. They will continue to emerge for the next few weeks. This story includes a guide for estimating total defoliation from multiple insects to determine need for treatment in soybean.
Volunteer wheat can provide the summer "green bridge" for the disease wheat streak mosaic and other virus diseases. This almost always occurs as a result of wheat seed shattered from heads during hail storms.
In 2019, an alert network was established to monitor soybean gall midge adult emergence using cages across 27 sites in four states. Growers and consultants can sign up to receive emergence information alerts to aid in the timing of insecticide applications.
Despite the above-average yields in recent years, there has been reports of ear formation issues in corn that ranged from sites in the Texas Panhandle, Colorado, Nebraska, Iowa, and Illinois. Does planting date play a role?