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.
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eucalyptus windbreak

Windbreak Tree(s)

May 1, 2026
By Ben A Faber
Maybe eucalyptus?So you thought there were only three species of eucalyptus? Well there are a lot more and they all grow differently. Here's an interesting study evaluating their performance in the Central Valley which probably has value along coastal Southern California, as well.https://www.nrcs.usda.gov…
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HLB tolerant rootstock

Citrus Rootstock Tolerant of HLB

May 1, 2026
By Ben A Faber
Growers association Florida Citrus Mutual (FCM) on April 28 called the Environmental Protection Agency’s (EPA) approval of Soilcea’s CarriCea™ T1 citrus rootstock registration “a major milestone.” According to FCM, CarriCea™ T1 is a first-of-its-kind citrus rootstock designed to tolerate citrus…
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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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