California and Arizona Disease Management

Botrysophaeria in California walnut trees

Protecting California citrus, tree nuts and grapes from disease and resistance

Fighting Disease

Growers in California and Arizona face the threat of crop diseases year-round, from deadly Huanglongbing in citrus to Alternaria in almonds to fast-spreading fungal infections in grapes.

Infections can do serious harm before symptoms are even visible. But there are solutions available to protect California and Arizona citrus, tree nuts, grapes, vegetables and berries. Implementing a disease management program that combines cultural and chemical controls is advised. These plans should also incorporate multiple effective sites of action to fend off fungicide resistance.

Steps to maximizing tree nut crop productionPrevention is Key for Tree Nut Growers

Early scouting and proper treatment timing helps growers manage disease and fungicide resistance.

» Find solutions

Defend wine grapes against powdery mildew

Combating Critical Threats to Wine Grapes

Early season control helps grape growers win against powdery mildew.

» Get control

Manage and treat powdery mildew and botrytis in California grapes

Managing Powdery Mildew and Botrytis Bunch Rot

Preserve yield and grape quality in high-value vines by treating these related diseases.

» Protect vine health

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