University of Nebraska–Lincoln agronomy doctoral student Ethann Barnes placed third in the Ph.D. oral presentation competition at the 58th Annual Conference of the Weed Science Society of America in Arlington, Virginia, Jan. 29-31. He is advised by Amit Jhala, assistant professor of agronomy and horticulture and Nebraska Extension weed specialist.
Barnes’ presentation was titled "Critical time of weed removal in popcorn (Zea mays everta) as influenced by pre-emergence herbicide.”
Barnes’ research focus is evaluating the critical period for weed removal in popcorn with or without PRE herbicide and the sensitivity of popcorn hybrids commonly grown in Nebraska to PRE and POST herbicides. He is also looking at pollen-mediated gene flow from GA1-M dent corn to popcorn and the risk assessment of the GA1-S (dent sterility) system and the tolerance of popcorn to glyphosate, 2,4-D choline + glyphosate, and dicamba and potential drift and tank contamination issues.
See https://agronomy.unl.edu/jhalalab for more information about Jhala Weed Management Lab.
The Weed Science Society of America, a nonprofit scientific society, was founded in 1956 to encourage and promote the development of knowledge concerning weeds and their impact on the environment. For more information, visit www.wssa.net.