- Author: Bradley Hanson
Press release (April 28, 2021) from the Weed Science Society of America
Have you heard about HRAC's Mode of Action updates?
The Herbicide Resistance Action Committee (HRAC) has updated its Herbicide Mode of Action Classification System, which is a vital tool in developing sustainable weed control programs.
Explore WSSA's recent fact sheet to find out why updates were needed and what changes are being made.
Good info at the link above including:
- Author: Brad Hanson
I thought I'd share a link to a YouTube channel from the Ohio State University Weed Science program.
There is a series of short time-lapse videos of several herbicides acting on different weed species. Includes paraquat (a PSI inhibitor), fomesafen (a PPO inhibitor), atrazine (a PSII inhibitor), glyphosate (an EPSPS inhbitor), quizalofop (an ACCase inhibitor), cloransulam (an ALS inhbitor), 2,4-D (a synthetic auxin) and glufosinate (a glutamine synthase inhibitor.
Cool videos (assuming you like watching plants die agonizing deaths, of course...)
Click here: Herbicide Injury - Time-lapse Mode of...
- Author: Brad Hanson
UCIPM Press Release:
New UC IPM photo repository shows plant damage from herbicides
January 9, 2015 – Davis, California
Identifying nontarget crop and ornamental plant damage from herbicides has become much easier, with the launch of a new online photo repository by the Statewide IPM Program, University of California Division of Agriculture and Natural Resources.
Dr. Kassim Al-Khatib, weed science professor at UC Davis and director of the UC Statewide Integrated Pest Management Program (UC IPM), has gathered nearly a thousand...
- Author: Lynn M. Sosnoskie
- Author: Brad Hanson
Herbicides are defined as a chemical substance that is used to eliminate unwanted plants. This is a very general description and it is important to remember that herbicides differ with respect to when they are used (for example, pre-emergence or post-emergence), their activity (for example, contact or systemic), their selectivity (for example, grasses or broadleaves), and their mechanism of action (also known as: mode of action, site of action). (See this blog post about basic herbicide terminology:http://ucanr.org/blogs/blogcore/postdetail.cfm?postnum=5973)
What is a mechanism of action? The...