This open access publication is available as a web page or as a downloadable PDF document.
These official UC-approved guidelines for pest monitoring techniques, pesticide use, and nonpesticide alternatives for agricultural crops are essential tools for anyone making pest management decisions in the field. This guideline covers apples and should be used with Publication 3389 Integrated Pest Management for Apples and Pears.
The June 2025 update includes: Updates to the General Properties of Fungicides Used in Apple, Fungicide Efficacy—Conventional Products, Fungicide Efficacy—Biocontrols and Natural Products, Bactericide Efficacy—Conventional Products, Bactericide Efficacy—Biocontrols and Natural Products, Treatment Timing for Key Diseases, and Fungicide Resistance Management pages.