This year, the organizers of the Crop Diagnostic School in Carman, Manitoba, decided to do something a little old-school.
“We decided to demo soil-applied herbicides here at the farm this year for the Diagnostic School, in part because we’re seeing an increased use in the products,” Jeanette Gaultier explains in the following interview.
Gaultier (who may or may not be itching for some face wash) is a pesticide specialist with Manitoba Agriculture, Food and Rural Development. She says the original shift away from such herbicides was largely because they weren’t seen as a good fit in minimum- or no-till agriculture. They also require a little more planning due to their residuals.
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Gaultier discusses the various soil-applied herbicides available in Manitoba and beyond, explaining where they have a fit and how some recent changes have potential for producers in minimum-till systems. (Also, an explanation of the face ‘paint’)
But those residuals can also provide excellent weed control when crops are first emerging and have little tolerance for competition. And, of course, the more herbicide modes of action we have access to, the more we can do to mitigate the risk of resistance development.
“Making sure we’re doing what we can — tank-mixing, shaking up our modes of action within the season and among seasons — to best protect the molecules that we have is a good way to go.”