* New Page * / UC Statewide IPM Program (UC IPM)

Home, Garden, Turf and Landscape

Home and Garden

Plant Pest Diagnostic Tool

Retail Nurseries & Garden Centers

Landscape Professionals

UC Master Gardeners

Agriculture

Pest Management Guidelines

Decision Support Tool

Weather, Models & Degree-Days

Invasive and Exotic Pests
Natural Environments

Strategic Plan 2015–2025

UC IPM Programs

Galleries

Natural Enemies Gallery

Publications and Newsletters

Pesticide Information

Tools

Bee precaution pesticide ratings

Decision Support Tool

Plant Problem Diagnostic Tool

Seasonal Landscape IPM Checklist

Weather, models, & degree-days

Trainings and Events

Recursos en español

modal image place holder

Image information and credit

Feedback

UC IPM

Grape leaves that are distorted and undersized and have dark lesions on the petiole (top center) due to Phomopsis cane and leaf spot, <i>Phomopsis viticola</i>. — Grape leaves that are distorted and undersized and have dark lesions on the petiole (top center) due to Phomopsis cane and leaf spot, Phomopsis viticola.
Credit: Jack Kelly Clark