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.

Water, Fire and Funding Avocado Workshop

August 1, 2025
By Ben A Faber
August 21 (9 AM - 11 AM)Avocado Growing Resilience
Fire Recovery, RCD Support & Water Security SolutionsIn-Field at Greenwood Daylily GardensTopics and SpeakersUnderstanding Fire Damage Recovery in the Avocado OrchardPresented by John Schoustra (Owner) and Ben Faber (UC Cooperative…
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Citrus Leprosis in Florida

Leprosis Webinar and Bee Ecology

August 1, 2025
Citrus Leprosis Threat, Mites, and Mite ManagementDr. Sandipa Gautam, Cooperative Extension Area Citrus IPM Advisor, UC Agriculture and Natural Resources; Dr. Kris Godfrey, Project Scientist, Contained Research Facility, UC Davis; Dr. Daniel Carrillo, Assistant Professor, Entomology & Nematology…
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Cruel Strangler Vine

July 31, 2025
By Ben A Faber
  So, I've gotten a few calls lately about this vine with a big green pod that is growing in lemon trees. What is done with it and how do you get rid of it?  Where is it?  In your lemon tree, especially now that lemon prices are so bad, that orchards arent being looked at so closely.  The…
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Lemon Brown Rot

Citrus Postharvest and Webinars

July 30, 2025
By Ben A Faber
Registration Now Open For 2025 Post-Harvest ConferenceThe Citrus Research Board (CRB) is excited to announce the return of the Post-Harvest Conference on September 4, 2025, in Visalia, California, at the Visalia Convention Center. Sponsored by the CRB and organized in partnership…
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Citrus Whitefly Colony

Citrus Leaf Mottling

July 29, 2025
By Ben A Faber
Recently a request came in from a San Luis Obispo Master Gardener asking about some unusual mottling on orange leaves.  They didn’t follow a typical nutritional deficiency or fungal disease.  They actually looked like huanglongbing symptoms, but there was no history of Asian Citrus Psyllid. …
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