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

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Monitoring for New Problematic Weed Species in Rice

May 4, 2018
By Gale Perez
From Brian German at AgNet West :: April 17, 2018 California rice growers will need to be on the lookout for two new problematic weed species this year. One of the species is called rough barnyardgrass (Echinochloa muricata) and the other is known as coast cockspur grass (Echinochloa walteri).
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Figure 1. Water hyacinth mats floating in the Sacramento-San Joaquin Delta.

Tracking water hyacinth with GPS

April 30, 2018
By Guy Kyser
Water hyacinth (Eichhornia crassipes (Mart.) Solms)) is a perennial free-floating aquatic plant species native to the Amazon region of South America. It has become invasive around the world, including the Sacramento-San Joaquin Delta in central California.
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Lynn Sosnoskie, UC Cooperative Extension Farm Advisor

Weed eaters and Weed worries

April 26, 2018
By Gale Perez
Be sure to check out the following articles in the Good Fruit Grower magazine (April 24, 2018) Herbicide resistance pushes California grape growers to try bringing back weed control strategies such as sheep and cultivation -- UC Cooperative Extension Weed Science Advisor John Roncoroni quoted in art...
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