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Citrus Sooty Mold: Friendly Fungus with Organic Solution

Cindy: lemon tree with black coating on leaves (photo provided).

Lemon sooty mold

Lemon with sooty mold coating

Expert Diagnosis

Kathy: sooty mold (friendly fungus). Turns leaves black, blocks sunlight absorption.

Treatment Options

Atomic Grow (organic, corrects cause)
Insecticidal spray (less effective)
Organic preferred

Key Insight

Sooty mold is secondary to insect honeydew. Atomic Grow addresses underlying insect issue while cleaning foliage. The "friendly fungus" descriptor emphasizes it's a symptom, not primary pathogen.

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