County rainfall varies from 5-8 inches of rain during this span. May. When the rain stops and the sun finally appears the crops will grow like crazy. Keep this in mind when planning for nitrogen applications and post emergence herbicide applications. Several of our old insect nemesis s are back again. As you scout your field pay particular attention to the insects listed below.
Mature larva is smooth marked with two orange, white bordered stripes on each side.
Ragged leaves to complete defoilation. Inspect and record the damage on 20 consecutive plants in 5 areas of the field. These pests can do a lot of damage very fast. Several species of army worms can be found in the Midwest every year. However, the development of economically damaging populations depends on a number of factors, such as cropping practices, insect migration patterns, parasites and predators, weather conditions, etc.