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.
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bacterial canker

Avocado Trunk Cankers

February 8, 2013
By Ben A Faber
Avocado Trunk Cankers This has been a low rainfall year, and often with the low rainfall, cankers will seem to suddenly appear on the woody parts of the tree. There are a number of causes for the white exudate from cankers on the trunk and limbs of avocado.
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Black streak disease in avocado can be managed with irrigation as described in the IPM Year Round Program

Year Round IPM Guides

February 8, 2013
By Ben A Faber
SKIP TO CONTENT PRINT Guided tour of the year-round IPM programs for field, orchard, and vineyard crops. (Detailed outlinewith links to examples) Introduction (3 min) Prevention (3 min) Pest identification (4.5 min) Monitoring (5 min) Management decisions (6 min) Management methods (6.
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ACP

Asian Citrus Psyllid

September 13, 2012
Asian Citrus Psyllid and Huanglongbing Trying to stay abreast of the insect and disease it carries to citrus?
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iron dieback citrus

New, Yellow Leaf Flush?

August 15, 2012
Lime-induced Iron Chlorosis: a nutritional challenge in the culture of several subtropical perennial crops in California Elizabeth Fichtner, UCCE Tulare County and Rachel Elkins, UCCE Lake and Mendocino Counties Spring, and new leaves are coming out, but this could, but yellow could be a sign of iro...
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Invasive Ambrosia Beetle/Fusarium Complex

August 3, 2012
By Ben A Faber
Invasive Ambrosia Beetle/Fusarium Complex A Public Meeting You are invited to attend a public meeting about the invasive ambrosia beetle/Fusarium complex that are threatening avocado, oak, sycamore, persimmon, and box elder trees in California.
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