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

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Figure 1. The most prevalent weeds in the 2019 and 2020 trials were A) watergrass and barnyard grass (Echinochloa spp.) and B) sprangletop (Leptochloa fusca). The most prevalent weed in the 2021 trial was C) yellow nutsedge (Cyperus esculentus).
UC Weed Science (weed control, management, ecology, and minutia): Article

Herbicide trial in Delta drill-seeded rice – 2021

February 13, 2022
By Michelle M Leinfelder-Miles
Michelle Leinfelder-Miles is the UC Cooperative Extension Delta Crops Resource Management Advisor serving San Joaquin, Sacramento, Yolo, Solano, and Contra Costa counties.
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Figure 2. Photo of panicles from the three common California rice Echinochloa species. From left to right: unknown species/biotype, barnyardgrass, and late watergrass.
UC Weed Science (weed control, management, ecology, and minutia): Article

Watergrass Herbicide Screening: 2021 Results

February 6, 2022
By Whitney B Brim-Deforest
Whitney Brim-DeForest is the UC Cooperative Extension County Director for Sutter and Yuba counties and the Rice and Wild Rice Advisor for Sutter, Yuba, Capitol Corridor MCP, Placer, and Nevada counties.
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Brussels sprouts (photo: John Rachuy)
UC Weed Science (weed control, management, ecology, and minutia): Article

Evaluation of S-metolachlor and sulfentrazone in Brassica vegetable crops

January 30, 2022
By Steven A Fennimore
Steve Fennimore is a Professor of Extension (Cooperative Extension Weed Specialist) at UC Davis. His office is located in Salinas, California. Small acreage Brassica vegetables need additional herbicide options.
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