AB 509 - Herbicide Selectivity and Action

  • 3 credits

This course explores the physicochemical properties of herbicides, their selectivity (through placement and metabolism), their mechanism of action, uses in weed management, visual symptoms of herbicide treatment, how plants can evolve resistance to these compounds, and controversial topics related to the use of herbicides

Textbooks and Materials

No textbooks are required for this course.

Instructors

Todd Gaines

Todd.Gaines@colostate.edu

Dr. Todd Gaines is an Associate Professor in the Department of Bioagricultural Sciences and Pest Management at Colorado State University. His specialization is in molecular weed science and functional weed genomics. He grew up on a wheat farm in Colorado and completed his PhD in weed science at CSU, followed by post-docs in Western Australia (University of Western Australia, Australian Herbicide Resistance Initiative with Prof. Stephen Powles) and Germany (Bayer CropScience, Weed Resistance Competence Center). His research goal is to support sustainable weed management in cropping systems. Projects in his research group include identifying the molecular and genetic basis of herbicide resistance mechanisms and other genetic traits in weeds, and developing rapid molecular diagnostics for herbicide resistance.

Franck Dayan
Franck Dayan

Franck.Dayan@colostate.edu

Franck Dayan was born in Lyon (France) and grew up in the south of France. He attended the Institut Agricole de Fontlongue where he developed an appreciation for plant science and agriculture. He received his Ph.D. in Plant Physiology from Auburn University in Alabama in 1995 and worked as a Research Plant Physiologist with the USDA-ARS Natural Products Utilization Research Unit for 20 years. He is now professor in the Department of Agricultural Biology at Colorado State University. His work covers the mechanisms of action of natural and synthetic herbicides and the mechanisms of herbicide resistance in plants, as well as chemical ecological studies of plant-plant interactions (allelopathy). He has served as treasurer of the Phytochemical Society of North America from 2006 to 2011 and president of that society in 2014-2015. He also served as treasurer for the International Weed Science Society (2012-2016). He is an Associate Editor for Weed Science and Pesticide Biochemistry and Physiology as well as North American Editor for Outlooks on Pest Management.

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