Topics in Subtropics

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.
fungal mats

Fungal Control of Citrus Canker Bacteria

July 25, 2018
By Ben A Faber
Brazilian researchers have identified activity against Xanthomonas citri in 29 fungi isolated from samples collected in Antarctica; one of the compounds inhibited reproduction of the bacterium by up to 98 percent Fundao de Amparo Pesquisa do Estado de So Paulo A research team at the So Paulo State...
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barnacale scale from usda

Wax Scale Again

July 20, 2018
By Ben A Faber
It's been quiet for awhile, just odd winter weather and fire and ash and hot hot heat andsuddenly we see a beautiful insect we haven't seen in a while. Jarrell Larmon is a PCA who was nosing around in a Satsuma orchard and he turned up a Barnacle Scale, the likes we havent seen in about 4 years.
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hlb defprmed citrus

ACP - Early Detection Techniques

July 18, 2018
By Ben A Faber
Western Plant Protection Network at UC Davis https://www.npdn.org/system/files/WPDN%20Newsletter%20-%202018-07-12.pdf Early detection technologies (EDTs) are tests that indicate the presence of disease before signs or symptoms of the disease can be seen.
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giant hogweed1

Giant Hogweed?

July 16, 2018
By Ben A Faber
Invasive plants don't get much coverage in the news, especially at the state and national level.
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