Justin McMechan
faculty
Work
1071 County Rd G
Ithaca
NE
68033-2234
US
Work
402-624-8041
On campus, dial 7-8041
Introduction to CropWatch Readers
Crop Infographics
Previous CW Contributions:
Western Corn Rootworm Beetles Emerging, Time to Scout
July 7, 2020
Western corn rootworm beetles began emerging in southeast and south central Nebraska at the end of June. Beetles emerge somewhat later in northeastern and western Nebraska.
Why Control of Volunteer Wheat is Critical to Protecting Next Season's Yields
June 23, 2020
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.
Japanese Beetles Emerging; Scout Corn and Soybean Fields
June 23, 2020
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.
First Emergence of Soybean Gall Midge in Cass County, Nebraska
June 11, 2020
On June 10th, 2020 three soybean gall midge adults were collected south of Louisville, Nebraska. This was the only site in the network with soybean gall midge adult activity.
Avoiding Injury from Seed Corn Maggot
May 20, 2020
We have received several reports of injury from seed corn maggot that has reduced stands of Nebraska soybeans. Learn why they may have been more problematic this year.
2020 Soybean Gall Midge Alert Network
May 20, 2020
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.
Planting Date Impact on Corn Growth and Ear Issues
May 14, 2020
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?
Scout Emerging Corn for Insects; Don’t Assume Protection
May 13, 2020
As corn begins to emerge, be alert to the potential for damage from early season insects such as cutworms, wireworms, white grubs, or other insects.