Topics in Subtropics Newsletters

Spring 2026

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

• 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 Fatin

Summer

2025

• 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

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

• Date Production Overview
• Guidelines for Managing Grape Powdery Mildew
• Dry Root Rot of Citrus: a Persistent Threat Caused by Fusarium solani in California
• Pest Scouting Reports Needed for Research Study
• Avocado Leaves Evolved to Handle Wetness
• Avocado Guide from Down Under
• Newly Published UCANR Olive Production Manual for Oil Now Available!
• Introducing Matthew Fatino

• 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