Plum

• Introduction
• Dormancy / Delayed-Dormancy
• Bloom
• Fruit Development
• Harvest Activities
• Postharvest Activities (Fall)
• Pesticide Application Checklist

General Information

• Dormant Spur Sample
• Pheromone Traps
• Spring/Summer Monitoring for Aphids
• Fruit Evaluation at Harvest
• Relative Impact of the Timing of Pesticide Applications on Natural Enemies in Plum
• Relative Toxicities of Insecticides and Miticides Used in Plums to Natural Enemies and Honey Bees

Insect, Mite, and Other Invertebrate Management

• American Plum Borer
• Branch and Twig Borer
• Brown Mite
• Citrus Cutworm
• Codling Moth
• Eriophyid Mites
• European Fruit Lecanium
• European Red Mite
• Fall Cankerworm
• Fall Webworm
• Fruittree Leafroller
• Green Fruitworms
• Italian Pear Scale
• Katydids
• Leaf Curl Plum Aphid
• Mealy Plum Aphid
• Obliquebanded Leafroller
• Omnivorous Leafroller
• Orange Tortrix
• Pacific Flatheaded Borer
• Peach Twig Borer
• Peachtree Borer
• Redhumped Caterpillar
• San Jose Scale
• Shothole Borer
• Tent Caterpillars
• Webspinning Spider Mites
• Western Flower Thrips
• Western Tussock Moth

General Information

• General Properties of Fungicides Used in Plums
• Fungicide Efficacy for Plum Disease
• Treatment Timing for Key Diseases

Disease Management

• Armillaria Root and Crown Rot (Oak Root Fungus)
• Bacterial Canker
• Brown Rot Blossom and Twig Blight
• Crown Gall
• Phytophthora Root and Crown Rot
• Powdery Mildew
• Ripe Fruit Rot

• Nematodes

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

General Information

• Managing Vertebrates

Vertebrate Management

• Birds
• California Ground Squirrels
• Pocket Gophers
• Rabbits
• Voles (Meadow Vole, Meadow Mice)

• Fungicides, Bactericides, Biocontrols, and Natural Products for Deciduous Tree Fruit and Nut, Citrus, Strawberry, and Vine Crops in California 2022 (PDF)
• Year-Round IPM Programs Video
• Mitigating Pesticide Hazards
• Herbicide Symptoms Photo Repository Website and Tool
• Herbicide Resistance: Glyphosate
• UC Fruit Report: Best Production Practices
• UC Fruit and Nut Research and Information Center
• UC Weed Research and Information Center