UC Weed Science

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Figure 1. Predominant weeds in the trial were watergrass and barnyardgrass.
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Herbicide Trial in Delta Drill-Seeded Rice - 2020

February 28th, 2021
By Michelle M Leinfelder-Miles
From the San Joaquin Valley Delta Field Crops blog Jan. 21, 2021 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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Invasive annual grasses threaten sage grouse populations

February 24th, 2021
This article from the Sacramento Bee describes the impact of annual grass weeds on sites in the Great Basin, and argues that herbicides can play a role in salvaging the local ecosystem. Another entry in the category of "Ecology is complicated.
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Current Challenges for Avocado Weed Management talk by Sonia Rios
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Webinar :: Current Challenges for Avocado Weed Management

February 17th, 2021
If you missed the UC Ag Experts Talk on... Current Challenges for Avocado Weed Management Sonia Rios, UC Cooperative Extension Area Subtropical Horticultural Advisor, Riverside County the recording is now available: https://youtu.be/7zFFeJWGvyE. UC Ag Experts Talk website: https://ucanr.
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Best Management Practices for Non-Chemical Weed Control manual cover
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Best Management Practices for Non-Chemical Weed Control manual

February 14th, 2021
Best Management Practices for Non-Chemical Weed Control This manual provides comprehensive descriptions of 21 commonly used non-chemical weed control techniques and of biological control agents for 18 weed species/species groups that will help you as a practitioner treat weeds more effectively.
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