Garden Pests and Diseases: Black Spots on Sunflower Stems - What is it?, 1 by iwn48
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In reply to: Black Spots on Sunflower Stems - What is it?
Forum: Garden Pests and Diseases
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iwn48 wrote: Hi - There are black powdery spots in several places and then they eat a whole in the plant? Any ideas and what can I do about it. I have attached another photo on the giant sunflower stems. Thanks. I have rows of sunflowers and don't want to loose them to something. |