Mildew on aster leaves

gee_oh_nyc(6b/7a)June 12, 2007

I am finding the beginnings of powdery mildew spots on my aster leaves. What's the best way to treat the plant for this?



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rhizo_1 (North AL) zone 7

Powdery mildew, at the early stages, can be halted by spraying with plain water to wash off fungal spores before they can germinate. Also, applications of neem have proven to be a good preventer and maybe a cure of PM.

    Bookmark   June 12, 2007 at 1:52PM
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Baking soda + water is supposed to work on powdery mildew (haven't tried it myself). Otherwise, Daconil works great on powdery mildew.

    Bookmark   June 13, 2007 at 10:56PM
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