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.
Topics in Subtropics Winter 2026
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
Topics in Subtropics Fall 2025
TOPICS IN THIS ISSUE
- Highlights from Citrus IPM Entomology
- Avocado Flowering and Fruit Set
- Woodpeckers damage in Avocado
- Pest Control Districts Service Expanding
- Soil Biological Management for Enhanced Citrus Yield and Health
- New on Board, Matthew Fatino
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
Topics in Subtropics Summer 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
Topics in Subtropics Spring 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 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
Topics in Subtropics Fall 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
Topics in Subtropics Summer Issue 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 Sunblotch Viroid (ASBVd)
Topics in Subtropics Volume 25 Winter 2024
- 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
Topics in Subtropics Volume 24 Fall 2023
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
Topics in Subtropics Volume 23 Summer 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 - 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.