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.

ACP-HLB Grower Meeting

April 29, 2026
By Ben A Faber
MAY 12TH: HYBRID, 8 AM to 12 noonIN-PERSON: 1701 LOMBARD ST, OXNARD CA ONLINE:  ZOOM MEETING ID: 852 2038 5828PASSCODE: ACPHLB8:00 AM: ARRIVE AND NETWORK8:15 AM: CAN THE STERILE INSECT TECHNIQUE HELP TO CONTROL THE SPREAD OF ASIAN CITRUS PSYLLID IN CALIFORNIA?PAUL RUGMAN-JONES, ENTOMOLOGY UC RIVERSIDE8…
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Rats!!!!!

April 27, 2026
By Ben A Faber
Rat Management Resources and VideosThis training series was produced in collaboration with UC Agriculture and Natural Resources and the California Department of Food and Agriculture. This 20 video training series features Roger Baldwin, a Professor of Cooperative Extension at University of California, Davis,…
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Tamarixia

Tamarixia to Suppress ACP

April 22, 2026
By Ben A Faber
Biological control for sustained ACP suppressionVentura County supports ACP activity for much of the year due to mild climate, frequent flush, and a highly mixed landscape that includes commercial groves, organic production, and unmanaged citrus. Under these conditions, ACP populations persist and rebound…
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Irrigation Computers in the Field

April 21, 2026
By Ben A Faber
Advanced technology can help farmers get to the root of a growing problem ¾ overwatering in an era of increasing drought and water scarcity. A new UC Riverside system can map soil moisture tree by tree, so growers water only where and when it’s needed.This system, detailed in the journal Computer and…
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Black Fig Fly

April 20, 2026
By Ben A Faber
Black Fig Fly (Diptera: Lonchaeidae: Silba adipata)Invasive Fig Pest Recently Discovered in Southern CaliforniaClick Here to Download the "Pest Alert" PDFOverviewFig growers need to be aware of the black fig fly (BFF), an invasive insect that was recently discovered infesting figs in multiple counties in…
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