Orchard Facts Newsletter

In This IssueWinter MeetingsWalnut Winter Management UCCE ResourcesManaging flatheaded borer Cost drivers of walnut production Phytophthora sampling in the Stockton East Water DistrictSelecting the Best Walnut Rootstock for Your Situation: 2026 Update 

In This IssueAlmond Orchard Management Considerations: February & MarchResearch updates on almond Red Leaf BlotchPreventing Bacterial Blast Damage in 2025Phytophthora sampling in the Stockton East Water DistrictHoneybee Health: A 2025 Retrospective and 2026 Outlook

UCCE Northern Sacramento Valley Orchards Prune Newsletter - Fall/Winter 2025In This Issue:Upcoming UCCE Orchard EventsFall/Winter Prune Orchard Tasks2025 Season RetrospectiveNew UC Davis Prune Varieties Prove Promising 2025Advancing Prune Bloom: What we Know so Far

UCCE Northern Sacramento Valley Walnut Newsletter - Fall 2025In This IssueWalnut Orchard TasksPost-harvest Ground Squirrel ManagementPre-Emergent Herbicides: 2025 Herbicide Demonstration Trial for WalnutNew Staff Research AssistantSave the Dates! Fall & Winter Meetings 

In this Issue: Almond Orchard Management Considerations: Fall 2025Post-Harvest Ground Squirrel ManagementOak Root Fungus: Rootstock Considerations in 2025-2026Red Leaf Blotch Finds its way to the Sacramento Valley (2025)Fall Zinc and Boron Review 2025Grower Meetings for Late Fall 2025 and Winter 2026

In this Issue: Almond Orchard Management Considerations: July - SeptHull Split: 2025 ConsiderationsHarvest: 2025 ConsiderationsA July Nitrogen Leaf Result of 2.4% is the Goal

In This IssueOrchard Tasks – SummerNative Hedgerows for Weed ManagementMaximizing Walnut QualityEthephon Use for Managing Walnut Harvest and Quality

In This IssueUpcoming EventsSummer Orchard ConsiderationManaging Webspinning Spider Mites in PrunesManagement of Johnsongrass in OrchardsPrune Orchard Pre- and Post-Harvest Irrigation Management

In This Issue: Save the DatesSome Factors to consider when evaluating a new crop enterprise for your farmGDH30 for 2025: where we stand and what it meansPrune Fruit Bloom Report, 2025

UC Cooperative Extension Prune Research Tour Part 1 Registration Flyer - Thursday, May 29, 2025 @ 8:00 a.m., Davis/Winters AreaHighlights Include: Electrical Weed Control by Brad Hanson, Tong ZhenCropload mapping for thinning and in-season crop assessment by Matt Koball, Mike Turkovich Lunch at 12…