Plum Tree Wilt: Lasiodiplodia Fungus and Extension Resource

Center Dieback = Plum Wilt

3 of 30 plums dying from center out, bottom alive = Plum Wilt (Lasiodiplodia theobromae). Fungus clogs vascular tissue.

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Plant Diseases: Premature Fruit Ripening and Drop in Plum Trees: Environmental Causes; Newly Planted Olive Trees Browning in Arizona? Water & Frost Tips; Plum Tree with Jelly-Like Sap: Borer Infestation; Arborvitae Hedge Dieback and Spruce Galls: Comprehensive Causes; Camellia Deaths in Central Valley: Drainage and Soil Organic Matter; Pines Dying from Bottom Up: Normal Needle Drop vs. Bark Beetles; Sudden Tree Death: Need Species ID to Diagnose; Construction-Damaged Pines in Florida: Call State Forester; Saving Indoor Palms in Dry, Heated Homes: Humidity, Watering, and Repotting; Trees and Shrubs Dying After Weed Killer Application

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