UC Weed Science (weed control, management, ecology, and minutia)

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Herbicide screen in Brassica vegetables

January 22, 2021
By Steven A Fennimore
Hello We have been evaluating several herbicides on direct-seed Brassica vegetables: Bok choi, broccoli raab, collard greens, mizuna, mustard greens and radish. We also have evaluated several herbicides in transplanted Brussels Sprouts and Kale.
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2021 Rice Growers Meeting UPDATED Announcement

ANNOUNCEMENT :: 2021 Rice Growers Meeting

January 11, 2021
By Gale Perez
Mark your calendar... UC COOPERATIVE EXTENSION presents When: February 11, 2021|9:00 AM-12:00 PM Where: Virtual via Zoom Cost: $10 Click here to REGISTER Click here for AGENDA Continuing education units applied for from CA Department of Pesticide Regulations (DPR) and Certified Crop Advisers (CCA).
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Large boom sprayers are used to efficiently apply herbicides over agricultural fields. Visual: Will Fuller / Flickr

Will rising temperatures make superweeds even stronger?

January 8, 2021
By Gale Perez
By Natasha Gilbert 12.07.2020 Around 10 years ago, in the fierce heat of the Kansas summer, many of the noxious kochia weeds invading Phillip Stahlman's research fields simply wouldn't budge when sprayed with a mixture of two widely used herbicides, glyphosate and dicamba.
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Photo 2. FarmWise Titan autonomous tractor equipped with split knives

2020 Evaluations of automated weeders in lettuce production

January 6, 2021
By Richard F Smith, Steven A Fennimore
Elizabeth Mosqueda is an Assistant Professor at the California State University, Monterey Bay. Richard Smith is a Vegetable Crop Production and Weed Science Farm Advisor with UC Cooperative Extension. Steve Fennimore is a Cooperative Extension Weed Specialist at UC Davis.
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