From the ArcaMax Publishing, Gardening Newsletter:
http://www.arcamax.com/news/gardening/s-2567-634095

Tip: Control Powdery Mildew

Powdery mildew may be attacking lilac, birch, squash and many other plants. A safe and effective treatment is spraying products containing sodium bicarbonate (baking soda), potassium bicarbonate, or neem oil.

This news arrived on: 07/23/2008

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