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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avocado rootstock

New Avocado Varieties and Rootstocks?

July 14, 2020
By Ben A Faber
Speakers: Dr. Mary Lu Arpaia: CE Subtropical Horticulture Specialist, UCR. Eric Focht: Staff Research Associate at the Department of Botany and Plant Sciences, UCR Rodrigo Iturrieta Espinoza: Junior Specialist at the Department of Botany and Plant Sciences, UCR Dr.
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hlb infection

HLB Video in Spanish

July 10, 2020
By Ben A Faber
The California Department of Food and Agriculture (CDFA), through its Citrus Pest & Disease Prevention Program, has developed a mobile-friendly, Spanish-language training video. It's for use by field crew supervisors and farm labor contractors prior to harvest.
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HLB symptoms

HLB Solution?

July 8, 2020
By Ben A Faber
A Solution for the devastating bacteria causing citrus huanglongbing? UC Riverside scientists have found the first substance capable of controlling Citrus Greening Disease, which has devastated citrus farms in Florida and also threatens California. Oranges afflicted with Citrus Greening Disease.
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fruit collection

The Art in Agriculture

July 8, 2020
By Ben A Faber
There is culture in agriculture. Mary Lu Arpaia says she spent hours looking at the avocado pictures, along with those of other fruit crops.
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avocado root

Root Architecture?

July 7, 2020
By Ben A Faber
Why are avocado roots coarse, but dense, while grass roots are a fine mat? It has long been one of the best kept secrets in the underground world: what determines the variation in form and function of plant roots?
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