Dr. Lovreet Shergill, Montana State University assistant professor and weed scientist, will be speaking about management of herbicide resistant weeds in sugarbeet cropping systems in Montana at 12:50 p.m.
Shergill works to better understand crop-weed dynamics. He knows that weed control is a critical part of sugarbeet production. For both short term and long-term profitability, proper timing and responsible herbicide usage to avoid resistant weeds is critical. Being timely with herbicide applications gives the herbicide the greatest impact for control; it is better to control small weeds rather than larger ones even when using Round-up®/Glyphosate.
It is best to scout fields to identify escapes, tank mix herbicides with different modes of action (MOA), and rotate herbicide MOA in consecutive years.
Shergill’s research aims to prevent weed seed production. He looks at crop-weed dynamics in different cropping systems that improve weed management and ultimately enhance crop productivity.
He has performed research on concerns about weeds becoming resistant to HWSC. His research results showed that growers have to be integrated into large-scale, on-farm research and development activities aimed at alleviating the problems of using HWSC systems and drive greater adoption subsequently.
The primary goal of his research is to address the ever-increasing problem of herbicide-resistant weeds by developing integrated weed management (IWM) programs that include a mixture of chemical methods such as residual herbicides, and herbicide mixtures with effective SOA, cultural methods such as crop-weed competition, crop rotations, and cover crops, and mechanical methods such as tillage, and harvest weed-seed control (HWSC) tactics. Shergill’s research interest focuses on weed ecology, weed biology, weed physiology, crop-weed population dynamics, and molecular biology.
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