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 Winter 2025

March 11th, 2025
This edition includes the following:Date Production OverviewGuidelines for Managing Grape Powdery MildewDry Root Rot of Citrus: a Persistent Threat Caused by Fusarium solani in CaliforniaPest Scouting Reports Needed for Research Study Avocado Leaves Evolved to Handle Wetness Avocado Guide from Down…
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Topics in Subtropics Fall 2024

December 23rd, 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 19th, 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 5th, 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 3rd, 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 16th, 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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Summer 2022

July 22nd, 2022
TOPICS IN THIS ISSUE Craig Kallsen, Editor Natural enemies have significantly suppressed Asian Citrus Psyllid populations in southern California Synergizing IPM of Argentine and biocontrol of sap sucking pests with biodegradable hydrogels, infra-red sensors, and cover crops in commercial citrus orc...
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