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Hyacinth Plant

Q.Dusty, White Residue On Leaves

Anonymous added on September 1, 2011 | Answered

We have a problem with some of our garden getting dusty, white residue on the leaves–mainly zucchini and yellow squash. Is it blight? It’s the same area where all my tomatoes rotted last year and the cucumbers struggled this year.

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Certified GKH Gardening Expert
Answered on September 2, 2011

Sounds like a case of powdery mildew. Here is an article that you may find helpful: https://www.gardeningknowhow.com/plant-problems/disease/powdery-mildew-homemade-and-organic-remedies.htm

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