Answer: Powdery Mildew is a fungal disease that is characterized by a whitish powdery growth on leaves, shoots and fruit. This coating usually makes fruit unusable. Humid conditions and crowded plantings that reduce air flow favor mildew. Begin fungicide spray at delayed dormant stage in late winter or early spring. Apply again when buds begin to open and again at full bloom. You can try to control it now with a fungicide such as Cleary 3336. Or, check with the King County Cooperative Extension for other controls. Best wishes with your gooseberries!
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