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

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2010 Almond Threespike Goosegrass Weed Control Trial

June 26, 2013
By Gale Perez
Threespike goosegrass is a warm season perennial grass which is a problem weed in some almond orchards around Orland, California. It is easily identified by its distinctive (see photo) seed heads (spikes). It is usually a problem during the first years of an orchard.
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Tomatoes, viruses, winds and weeds

June 18, 2013
According to a previous ANR blog post, the 2013 processing tomato crop in California is experiencing worse-than-usual curly top problems, which is caused by a complex of Beet Curly Top Viruses (BCTVs) (Processing tomatoes face critical threat: curly top).
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Poison Hemlock Widespread in California

June 14, 2013
By Cheryl A Reynolds
Poison hemlock, Conium maculatum, was brought from Europe into the U.S. as an ornamental in the 1880s and now occurs throughout North America. In California it is most commonly found at lower elevations and coastal regions but it is continuing to spread into other areas.
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