Two Trees with Distinct Problems

Tree 1: Borer Infestation

Bleeding sap from trunk. Spray Merit on trunk; fertilize 10-10-10 at 1 lb/inch diameter.

No growth, bark loss. Canker fungus in stressed tree. Fertilize nearby trees to prevent spread.

Trees: Saving a 40-Year-Old Avocado Tree with Poor Fruit and Dying Limbs; Holly Trees Light Green and Wilting in Heat: Water Deeply, Not Disease; Peach Tree Borers: Gummy Sap and Grubs at Base; Norway Maple Leaf Scorch: Drought and Transplant Shock, Not Iron; Identifying and Treating Scale on Aspen Trees; Woolly Oak Aphids: The Source of White Fuzz Under Oaks; Scale Infestation on Raywood Ash: Blackened Branches Explained; Chinese Pistache Structural Pruning: Early Training Prevents Splitting; Diagnosing Two Problem Trees: Borer and Canker; Pine Tree Oozing Yellow Pitch: Dioryctria Moth Borer

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