UCANR

Avocado, Citrus, Minor Subtropicals

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.

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.

Cooperative Extension Ventura County: Article

Temas en cultivos Subtropicales

March 23, 2026
By Lindsey Torres
TEMAS EN ESTA EDICIÓN• Prácticas de riego y manejo del agua en aguacates• Asfixia radicular• Actividad de celulasa en acolchados contra enfermedades de Phytophthora• Alerta de plagas en guayaba• Poniendo a las abejas a trabajar para identificar Sunblotch• Resultados de ensayos de campo: investigación de…
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Topics in Subtropics Winter 2026

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TOPICS IN THIS ISSUE 

  • Irrigation Practices and Water Management in Avocados
  • Asphyxiation
  • Cellulase Activity in Mulches
  • Guava Pest Alert
  • Putting Bees to Work to ID Sunblotch
  • Field Trial Results You Can Use: Citrus Thrips Insecticide Research
  • And three great workshops coming up 
Cooperative Extension Ventura County

Topics in Subtropics Fall 2025

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TOPICS IN THIS ISSUE 

 

TEMAS EN ESTA EDICIÓN

  • Resumen sobre la producción de dátiles
  • Directrices para el control del oídio de la uva
  • Pudrición seca de la raíz de los cítricos: una plaga persistente causada por el Fusarium solani en California
  • La detección de plagas es necesaria para el estudio de investigación
  • Las hojas de aguacate han evolucionado en el control la humedad
  • La guía del aguacate desde Australia
  • La nueva publicación de UC ANR, Olive Production Manual for Oil (Manual de la producción de aceite de oliva) ¡ya está disponible!
  • Presentación de Matthew Fatino
Cooperative Extension Ventura County

Topics in Subtropics Summer 2025

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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

Cooperative Extension Ventura County

Topics in Subtropics Spring 2025

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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 Roller Moth Is Here to Stay—Now What?
• Spring Subtropics Meetings Recap & Upcoming Meetings
o Citrus Meeting at Lindcove
o Avocado Field Day
o Microirrigation for Crop Production

Cooperative Extension Ventura County

Topics in Subtropics Fall 2024

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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
Cooperative Extension Ventura County

Topics in Subtropics Summer Issue 2024

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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 Sunblotch Viroid (ASBVd)
Cooperative Extension Ventura County

Topics in Subtropics Volume 25 Winter 2024

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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?
  • Phytoplasma Diseases of Palms in the USA
  • Understanding fruit fly quarantines
  • Cultivating Citrus Resilience to HLB in California
  • Phenology and the Avocado
  • The Annual California Avocado Society Meeting
  • Pre-bloom foliar boron application on olive may improve yield
Cooperative Extension Ventura County

Topics in Subtropics Volume 24 Fall 2023

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In this issue:

  • IRCHLB?
  • Pocket Gopher Management
  • Phytophthora Diseases of California Citrus
  • Airblast Sprayers
  • Temperature Inversion Data Helps Guide Frost Responses
  • Bodil Cass – New Subtropical Fruit IPM Specialist
Cooperative Extension Ventura County

Topics in Subtropics Volume 23 Summer 2023

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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
  • DON’Ts – Suggestions for Citrus and
    Avocado Growers and Others
  • California Efforts to Control Citrus HLB
  • Dr. Hamutahl Cohen was appointed as an
    Entomology Advisor with UC Cooperative
    Extension in Ventura County.
Cooperative Extension Ventura County

Source URL: https://www.ucanr.edu/county/cooperative-extension-ventura-county/avocado-citrus-minor-subtropicals