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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fire hillside

Fire Affected Produce

September 9, 2020
By Ben A Faber
At times, air quality has been significantly impacted by the ongoing fires in the region. Local farms have played a very large and important role in food relief efforts immediately following the start of the fires and the mass evacuations.
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soil colors
Topics in Subtropics: Article

Avocado Weed Control and Microbial Amendments

September 7, 2020
By Ben A Faber
If you didnt hear or you want to hear again Here's your opportunity Speakers: Sonia Rios: Area Subtropical Horticulture Advisor for both Riverside and San Diego Counties.
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iron chlorosis avocado

Why Test Soils?

September 2, 2020
By Ben A Faber
Because it is easier to correct a problem before you plant the trees than it is to diagnose and treat dying ones, which will probably be ripped out. A sad start to a tree is not a good ending.
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lantern fly life stages

Proactive Biocontrol

August 31, 2020
By Ben A Faber
Dr. Mark Hoddle will discuss the problems caused by invasive species in California. Invasion statistics of importance to California will be discussed along with relevant aspects of invasion biology that drive invasion pathways, establishment likelihood, and subsequent spread after establishment.
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avocado woody growth on branch

Citrus Tree Gall

August 27, 2020
By Ben A Faber
There are always new things to see in the field. Some things show up on occasion, but reliably, like citrus leafminer starts damaging new leaves in the fall. You start to see the leaf spots from Persea mite in the fall, even though they started their nesting/feeding activities in the late spring.
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