DUSTY MILDEW - Knowledgebase Question

HOMEWOOD, Il
Question by UMBAUGH59
August 22, 2009
I BELIEVE MY PLANTS HAVE AND ARE SPREADING DUSTY MILDEW. WHAT CAN BE DONE TO GET RID OF THIS?


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Answer from NGA
August 22, 2009

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Powdery mildew is a fungal disease that attacks plants when environmental conditions are right (warm days, cool nights, some humidity) and air circulation is poor. You can help your plants avoid powdery mildew by giving plants the required exposure to sunshine, and plenty of elbow room so there's good air circulation all around them. Your roses need at least 8 hours of direct sunlight each day to keep them healthy. Fungicides generally recommended for powdery mildew control include: Funginex, Rose Defense (neem oil) and Domain. Follow labeled instructions regarding dose and frequency of application and be sure and spray both surfaces of all leaves thoroughly.

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