Courgette (zucchini) plant in vegetable garden, leaves and stems covered with white powdery mildew.

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Courgette plant suffering from powdery mildew after a long, hot dry summer. The leaves and stems are white with powdery mildew. This disease occurs outdoors in a warm dry summer and under glass. It is encouraged by dry soil combined with a moist atmoshpere. One organic treatment is to spray with Potassium Bicarbonate

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Size: 6048px × 4032px
Location: Caernarfon, Gwynedd, Wales, UK
Photo credit: © Jean Williamson / Alamy / Afripics
License: Licensed
Model Released: No

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