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earl_gardener

azalea die back due to grey powdery spots on branches

earl_gardener
14 years ago

I have several mature azalea plants (~10 years old). Branches started dying from a year ago. Grey powdery spots appear along the branches first before leaves eventually wilted and the entire branch died. I suspected it's powdery mildew disease and I've tried spraying with fungiside, though not often enough I'm afraid. Anybody knows for sure what this is?

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