Vineyard Management Blog

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Mitigating Powdery Mildew: How Long Spores Survive on Bark & Dormant Season Strategies

Powdery mildew spores, in the form of cleistothecia, survive on dormant bark for at least one season, posing a significant threat. This post outlines critical dormant season strategies, including targeted pruning, dormant sprays, and environmental monitoring, to reduce early-season disease pressure and mitigate costs.

June 15, 2026

5 min read

#powdery mildew#spore survival#dormant

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