Episode 12 - Late Season Variety Trends

October 2021 | 21 min., 37 sec.
by Seth Byrd, Ben McKnight, Randy Norton, and Bill Robertson
Oklahoma State University, Texas A&M AgriLife Extension, The University of Arizona, and University of Arkansas (respectively)


Ben McKnight, Randy Norton, and Bill Robertson discuss trends in variety performance this year, agronomic characteristics of successful varieties, and methods for evaluating the variety maturity category. Podcast hosted by Seth Byrd.​​

About the Presenter

​​Seth ByrdSeth Byrd is the Extension cotton specialist for Oklahoma State University. He received a bachelor’s degree in agronomy from North Carolina State University, a master’s degree in agronomy from the University of Florida, and a PhD in crop and soil science with a focus on cotton agronomics from the University of Georgia. (OSU photo by Todd Johnson)​

Ben McKnightBen McKnight​​​ is the Extension cotton specialist with the Texas A&M AgriLife Extension Service. He completed his undergraduate and MS studies in agronomy at Texas A&M University and earned a PhD in agronomy from Louisiana State University. His MS and PhD research focused on novel weed management strategies in production agriculture.​

Randy Norton ​​Randy Norton is an associate regional Extension specialist with the University of Arizona and also serves as the resident director of the Safford Agricultural Center. He has a BS degree in plant sciences with an emphasis in crop science and MS and PhD degrees in soil and water science with an emphasis in soil fertility and soil chemistry. The primary focus of his work is improving the efficiency and sustainability of desert agricultural systems through a broad research and Extension program directed at solving production chal​lenges faced by growers across Arizona. Areas of research and Extension focus include soil fertility, variety evaluation, and management of certain pests and diseases in Arizona crop production systems.

Bill Robertson Bill Robertson has served as the cotton Extension agronomist with the University of Arkans​​​​as system Division of Agriculture Cooperative Extension Service for the past 5 years. He held this position previously for 12 years before leaving the Division of Ag to join the National Cotton Council in Memphis, Tennessee. In his current position, he provides leadership for educational programs in cotton production and agronomic systems that improve yield, profitability, and sustainability. Bill was raised on a cotton, grain, and cattle farm near Lubbock, Texas. He holds advanced degrees in agronomy from Texas A&M University.​​


In 2020, Grow webcasts had more than 110,000 views. Help support our mission to provide comprehensive high-quality, science-based resources to and for plant health researchers and practitioners at no cost.

PDMR submission guidelines and schedule information are available online.


Plant Health Progress is a peer-reviewed multidiciplinary, online journal of applied plant health.