Colusa County Newsletter

In this Issue:• Almond Orchard Management Considerations: Fall, 2025 • Post-Harvest Ground Squirrel Management • Oak Root Fungus: Rootstock Considerations in 2025-2026 • Red Leaf Blotch Finds it’s way to the Sacramento Valley (2025) • Fall Zinc and Boron Review, 2025 • Upcoming…

In this issue:Almond Orchard Management Considerations: July - SeptHull Split: 2025 ConsiderationsHarvest: 2025 ConsiderationsA July Nitrogen Leaf Result of 2.4% is the GoalLink to Constant Contact version: https://conta.cc/3GPuDGM

In This Issue • Upcoming Events • Summer Orchard Consideration • Managing webspinning spider mites in prunes • Management of Johnsongrass in Orchards • Prune Orchard Pre- and Post Harvest Irrigation ManagementLink to Constant Contact version: https://conta.cc/45R1JjY

In this Issue: Summer orchard tasksNative hedgerows as a weed management tool in orchardsMaximizing walnut qualityEthephon use for managing walnut harvest and qualityLink to Constant Contact version: https://conta.cc/40dfPsg

In This Issue:Save the DatesSome factors to consider when evaluating a new crop for your farmGDH30 for 2025: where we stand and what it meansPrune Fruit Bloom Report, 2025Link to Constant Contact: https://conta.cc/3F5KaSb

In This Issue:·  April-May Orchard Tasks·  Walnut Blight Management·  Walnut Mold and How to Manage It·  Irrigating Walnut Trees in 2025·  Ag Finance Workshop Recap·  SWP Baseline Table for WalnutLink to Constant Contact: https://conta.cc/447MpON

In This Issue:Almond Orchard Management Considerations: Late January- MarchAlmond Variety Evaluation (2025)The Case of Orchard SanitationTimeline for almond orchard sanitationOptimizing preemergent herbicide applicationsLink to Constant Contact: https://conta.cc/3Q89xo7 

In this Issue:Save the DatesWalnut Winter Management UCCE ResourcesWinter Chill & Dormancy Management - 2024 Update2025 Fungicide & Bactericide Efficacies & TimingLink to Constant Contact Version: https://conta.cc/4hsXiOX