Cooperative Extension Ventura County

Topics in Subtropics

The U.C. Cooperative Extension Farm Advisors have combined to publish this quarterly combined newsletter. It will emphasize citrus and avocado, but will also discuss the minor subtropicals.
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Topics in Subtropics Summer 2025

August 29, 2025
TOPICS IN THIS ISSUE• The Role of Pollinators in Avocado Production • Is that a Fruit Fly? • Sivanto Labeled for Control of Pink Hibiscus Mealybug in Dates • Consperse Stink Bug • Insights on 2025 Honey Bee Losses • Upcoming Meetings
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Topics in Subtropics Spring 2025

June 25, 2025
TOPICS IN THIS ISSUE• Bifenthrin application added as an option to Fuller Rose Beetle Mitigation with Voluntary Sampling to Reduce Pesticide Application• Selective Egg Staining: a New Tool to Support Breeding of Whitefly Resistant Crops• Sunblotch! New Tools to Spot This SneakyAvocado Thief• The Avocado Cone…
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Topics in Subtropics Fall 2024

December 23, 2024
This edition includes the following: Preparing Frost Protection Measures The National Clean Plant Network, with emphasis on the National Clean Plant Network Citrus Development of integrated pest management for huanglongbing (HLB) in Florida...
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Topics in Subtropics Summer Issue 2024

August 19, 2024
This edition includes the following: Cherimoya Growers Handbook Available On-Line Learning From the Rain Optimizing Avocado Irrigation Management Practices Using Soil Moisture Sensing Pest Alert: Fig Wax Scale Ag Labor Management Resources Upcoming meetings Avocado Irrigation workshops Avocado Sunbl...
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Topics in Subtropics Volume 25 Winter 2024

February 5, 2024
Sandipa Gautam, Editor In this issue: California inundated with invasive fruit flies Satellite-based irrigation tools to manage irrigation water more precisely in avocado groves Managing citrus mealybug does ant control help?
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Topics in Subtropics Volume 23 Summer 2023

August 3, 2023
In this issue: Avocado Production in the World: Observations of production and consumption growth USDA-APHIS Approves New Fuller Rose Beetle Mitigation a Voluntary Option to Reduce Pesticide Applications DONTs Suggestions for Citrus and Avocado Growers and Others California Efforts to Control Citr...
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Topics in Subtropics Volume 23, Winter 2023

February 16, 2023
In this issue: Introducing Fatemeh Khodadadi, Assistant Professor of Extension and Plant Pathologist Agave Mites: A Tiny Menace New pest in young avocado orchards Planting Avocados One, one hundred, one thousand UCR Citrus Day, March 2, 2023...
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