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on Corn

Early-Season Hail Damage in Corn

August 2020

By Justin McMechan, Ph.D.
Assistant Professor
Crop Protection and Cropping Systems Specialists
University of Nebraska–Lincoln
Ithaca, Nebraska

Watch Presentation (33 min 52 sec)

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Summary: This webcast reports the results of research on early season hail damage, which can affect a number of field parameters later in the season. Nearly all hailstorms occur during the first half of the growing season and therefore early in the development of corn plants. Multiple time-sensitive factors must be considered in assessing the yield potential of the damaged field and deciding whether to replant. In addition to physical damage, the potential for diseases such as Goss’s wilt to develop because of open wounds in plants must be considered. Future research with a new simulated hail machine will focus on opportunities to standardize applications.

Biography: Justin McMechan is an assistant professor in the Department of Entomology at the University of Nebraska–Lincoln (UNL). He has a 50% research and 50% Extension appointment and works in the area of crop protection and cropping systems at the Eastern Nebraska Research and Extension Center at Ithaca. Dr. McMechan has a BS in agronomy from the University of Minnesota–Crookston, an MS and a PhD in entomology from UNL, and a DPH (Doctor of Plant Health) from UNL. His professional responsibilities and activities include development and implementation of an applied research program focused on integrated crop protection and cropping systems and establishment of transdisciplinary collaborations, including effective integration with Extension issue teams and research groups.

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