Walnut

• Introduction
• Dormancy
• Delayed-Dormancy
• Budbreak Through Bloom
• Nut Development (Fruit Set to Harvest)
• Harvest
• Postharvest
• Pesticide Application Checklist

• Dormant Monitoring
• Using Ethephon

General Information

• Relative Toxicities of Pesticides Used in Walnuts to Natural Enemies and Honey Bees

Insect, Mite, and Other Invertebrate Management

• Aphids
• Codling Moth
• European Red Mite
• Fall Webworm
• False Chinch Bug
• Frosted Scale and European Fruit Lecanium
• Fruittree Leafroller
• Italian Pear Scale
• Navel Orangeworm
• Pacific Flatheaded Borer
• Redhumped Caterpillar
• San Jose Scale
• Southern Fire Ant
• Walnut Blister Mite
• Walnut Husk Fly
• Walnut Scale
• Walnut Twig Beetle
• Webspinning Spider Mites

General Information

• Bactericides and Fungicide Efficacy for Walnut Diseases
• General Properties of Fungicides Used in Walnuts
• Most Effective Treatment Timing for Key Diseases

Disease Management

• Anthracnose
• Armillaria Root Rot (Oak Root Fungus)
• Blackline
• Botryosphaeria and Phomopsis Cankers
• Branch Wilt
• Crown Gall
• Deep Bark Canker
• Paradox Canker
• Phytophthora Root and Crown Rot
• Shallow Bark Canker
• Thousand Cankers Disease
• Walnut Blight

• Nematodes

• Common and Scientific Names of Weeds
• Integrated Weed Management
• Weed Management in Organic Orchards
• Special Weed Problems
• Susceptibility of Weeds to Herbicide Control
• Herbicide Treatment Table

General Information

• Managing Vertebrates

Vertebrate Management

• California Ground Squirrels
• Deer
• Pocket Gophers
• Tree Squirrels
• Voles (Meadow Vole, Meadow Mice)

• 2017 Efficacy and Timing of Fungicides, Bactericides, and Biologicals for Deciduous Tree Fruit, Nut, Strawberry, and Vine Crops
• Herbicide Resistance: Glyphosate
• Herbicide Symptoms Photo Repository Website and Tool
• Mitigating Pesticide Hazards
• UC Fruit and Nut Research and Information Center
• UC Weed Research and Information Center
• Year-Round IPM Programs Video