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.
caloptilia stages

New Avocado Pest?

July 31, 2020
By Ben A Faber
A new pest for avocado? Old pest? How much damage will it do? Don't know yet. Tracy Ellis, the San Diego County Ag Commissioner Entomologist has partially identified what appeared to be two pest and a parasitoid, as only one pest and a beneficial that is doing it's duty going after the pest.
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laurel-wilt-and-avocado-trees

Laurel Wilt Disease Update

July 27, 2020
By Ben A Faber
Laurel Wilt-Ambrosia Beetle Grower's and Advisory Panel meeting to update and discuss research and extension programs supported by the USDA research grant. Purpose: The Univ.
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cuckoo wasps (3)

Cuckoo Wasps

July 24, 2020
By Ben A Faber
Bright metallic colors, flitting from flower to flower. Wasps. And they are going after other wasp species and bees. It's hard being a bee. These wasps are parasites, and like their namesake cuckoo birds, they lay their eggs in the nests of other species (wasps or bees in this case).
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HLB Tolerant Rootstock?

July 21, 2020
By Ben A Faber
From the Citrus Industry The new Sugar Belle hybrid rootstock LB8-9xS13#16 has quite a history, according to University of Florida Institute of Food and Agricultural Sciences citrus breeder Jude Grosser.
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