Topics in Subtropics

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Topics in Subtropics Blog
You can subscribe to this  blog with multiple entries per week reflecting what's happening with subtropical crops and upcoming educational events.  Just click on the "Subscribe" button just to the right of this paragraph.  There's also our seasonal quarterly Topics in Subtropics newsletter found at our Ventura, Santa Barbara, San Luis Obispo, Riverside, San Diego, Tulare and Kern Counties Cooperative Extension websites.
Tea Shot Hole Borer (Euwallacea fornicatus). The pest is about the length of Lincoln’s nose on a penny. Photo by G. Arakelian.

Fusarium dieback on California avocado trees

April 18, 2012
While the Asian citrus psyllid/HLB pest-disease complex has received a lot of press lately, another deadly pest-disease combination has been found in Los Angeles County. Tea Shot Hole Borer (Euwallacea fornicatus) is a vector for the Fusarium fungus. A native from Asia, this beetle is very small.
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Hope for citrus

April 10, 2012
Research to fight Huanglongbing (HLB), the deadly citrus disease carried by the Asian citrus psyllid, is taking place throughout our nation and the world. Industry-wide urgency is funding a variety of research in search of a solution.
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Australian finger lime

UC Riverside Citrus Variety Collection

March 19, 2012
Since 1910, the Citrus Variety Collection has been a resource for research, citrus breeding and educational extension activities initially for the UC Citrus Experiment Station and now for the expanded College of Natural and Agricultural Sciences at UC Riverside.
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