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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citrus K deficiency

Leaf Analysis Time of Year

September 29, 2023
By Ben A Faber
If you haven't done it yet, it's that time of year to be doing leaf analysis for citrus and avocados. Analysis prevents deficiency symptoms from appearing and maintains good yields, all else being well done.
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avocado seed husk

Proactive Biocontrol!!!!

September 20, 2023
By Ben A Faber
This is a call to prepare for pest invasions with an eye to proactive biocontrol written by Mark Hoddle in a recently published article in the journal BioControl: https://link.springer.com/article/10.
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water movement all together

Water, SGMA, GSP?

September 18, 2023
To achieve groundwater sustainability under California's Sustainable Groundwater Management Act, or SGMA, demand management policies that encourage water conservation will be necessary, says Ellen Bruno, University of California Cooperative Extension specialist in quantitative policy analysis at U...
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citrus edema fruit

The New Growing Environment

September 15, 2023
By Ben A Faber
So what causes these wounds on leaves and fruit on lemons? Corky, sunken blisters on the leaves. Small divots in the fruit. Some of the spots had halos around them, but most not. That would indicate an infection of some sort. It was showing up in a large orchard near Santa Paula.
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orb spider boyd

A Spider Year

September 13, 2023
By Ben A Faber
Cruising the avocado orchard, checking out the irrigation system Then Bang!!!!!!! What hit me????? A little closer look, after clearing some sticky stuff off my head and hair and face and shirt and still not getting it completely off.
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