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Home > Plant Diseases

Plant Diseases

Lawn Diseases

salt damage on white pine

Diseases of Trees and Shrubs including Tree Fruit

rose leaves showing symptoms of black spot

Flower Diseases


Bacterial Canker on Tomatoes

Diseases of Garden Fruits, Berries and Vegetables

Alphabetical List of Diseases



[Photos, left to right: unknown; University of Minnesota Extension; Yuan-Min Shen, Taichung District Agricultural Research and Extension Station,; Clemson University - USDA Cooperative Extension Slide Series, ,; Heinz USA Archive, ,; Yuan-Min Shen, Taichung District Agricultural Research and Extension Station,]


It is the policy of the State of Maine to minimize reliance on pesticides. The Maine Department of Agriculture, Conservation and Forestry and the Maine IPM Council encourage everyone to practice integrated pest management and to use pesticides only as a last resort. The mention of pesticides in the fact sheets linked to these pages does not imply an endorsement of any product. Be sure that any product used is currently registered and follow all label directions.