Currant - Disease information and Management Recommendations.

HOST PLANT DISEASE SYMPTOMS MANAGEMENT Currant, Alpine  and other landscape currants  Ribes alpinum Powdery mildew, Sphaerotheca mors-uvae Gray/white powdery or dusty-like fungal growth on leaves and succulent stem. Leaf distortion. Increase sun penetration and air movement by pruning. Rake and destroy infected leaves in the fall. Water only at base of plant. CHEMICAL: Delayed dormant (green tip stage) of lime sulfur. Wettable sulfur during growing season. Thiophanate-methyl or zyban.

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