Deficiencies & Toxicities

UC Statewide IPM Program: How to Manage Pests: Plum

Includes Year-round IPM Program for walnuts, and University of California's official guidelines for pest monitoring techniques, pesticides, and nonpesticide alternatives for managing pests.

Plum Photo Gallery

Manganese deficiency symptoms on plum leaves.
Little leaf symptoms due to zinc deficiency in plum.
Poor growth in top of plum tree due to zinc deficiency.
Flower buds of Santa Rosa plum at early green tip. Little leaf symptoms due to zinc deficiency in plum. Poor growth in top of plum tree due to zinc deficiency.
Photo by JK Clark. UC Statewide IPM Project, © UC Regents Photo by JK Clark. UC Statewide IPM Project, © UC Regents Photo by JK Clark. UC Statewide IPM Project, © UC Regents
Copper deficiency of plum that can occur when Nemaguard is used as the rootstock.
Copper deficiency of plum that can occur when Nemaguard is used as the rootstock.
Photo by JK Clark. UC Statewide IPM Project, © UC Regents