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Cooperative Extension, Sutter-Yuba Counties: Page

How to Volunteer

As a 4-H volunteer, you are important to help our youth "learn-by-doing". You will work side-by-side with 4-H youth in youth-adult partnerships, where you grow together in shared responsibilities and decision-making.
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Cooperative Extension, Sutter-Yuba Counties: Page

Walnut Rootstocks

Walnut Rootstock - Understanding Terminology, How they are Propagated, Availability and Clonal Rootstock Pest Interactions _ 2015...
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Cooperative Extension, Sutter-Yuba Counties: Page

Walnuts

UC IPM - Walnut Pest Management *NEW Cost Study 2022 2017 Yellow Leaf Symptoms and Causes Walnut Quality Irrigation Walnut - New Varieties Walnut Rootstocks Walnut No Pruning/Pruning Compared Walnut Insects Diseases of Branches, Foliage and/or Nuts Frost and Freeze Damage California Walnut Board Sac...
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Cooperative Extension, Sutter-Yuba Counties: Page

Cost Study

Walnut Cost Study - 2015...
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Cooperative Extension, Sutter-Yuba Counties: Page

Irrigation

Using Plant Based Measurements to Refine Irrigation Scheduling in Walnuts UC Drought Management - Irrigating with limited water supplies Irrigating Young Trees Irrigation Management Pays Walnut Stem Water Potential (SWP) Baseline...
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Cooperative Extension, Sutter-Yuba Counties: Page

Walnut Insects

Chemical Control of Walnut Husk Fly - January, 2016 Walnut Huskfly Biology handout 6 20 14 Black Mushy Walnut Hulls...
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Cooperative Extension, Sutter-Yuba Counties: Page

Diseases of Branches, Foliage and/or Nuts

Branch Wilt Botryosphaeria and Phomopsis Blight and Cankers Anthracnose on English Walnuts Thousand Cankers Disease of Walnuts: A New Disease in California Walnut Twig Beetle and Thousand Cankers Disease: Field Identification Guide...
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Cooperative Extension, Sutter-Yuba Counties: Page

Frost and Freeze Damage

Walnut damage from winter kill or autumn frosts Walnut damage from spring frost...
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