Plum Tree Loose Bark with Magenta Spores: Complex Diagnosis Needed

Wickson Plum Shows Bark Separation and Pink Powder

25-year-old tree has 1-foot loose bark patch on 5-inch branch, revealing magenta powdery layer (spores?). No green cambium. History of suspected silver leaf, but local expert says it doesn't occur in California.

Expert Responses

First answer: general advice on fertilization and avoiding bark wounds. Follow-up: diagnosis impossible without on-site/lab exam. Secondary invaders obscure primary cause. Contact county Extension for a visit.

Key Takeaway

Complex trunk issues require professional field diagnosis.