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Maple Crown Gall: Bacterial Disease with Organic Treatment Option

Bri: gall disease on young maple (12-13 ft). Read won't affect health. More bumps this year. Asks: picking off worst leaves help reduce next year? Fear spread to 7 other maples.

Expert Assessment

Kathy: if crown gall (bacterial), CAN spread to other trees. Atomic Grow (organic) may cure—raises brix, heals plant. Spray on tree or saturate roots. Seen cure borers, fungus, "incurable" cycad scale.

Key Insight

Crown gall (Agrobacterium) is bacterial, soil-borne, and contagious. Leaf removal doesn't address systemic infection. Organic systemic treatment offers novel approach for this traditionally "incurable" disease.

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