How to Prevent Mildew from Returning?

trc225March 30, 2011

I ended up with mildew in my vegetable garden last summer. I fought it for months, but it finally took over and killed just about everything in my garden. Now that it's almost time to plant, I'm afraid it's still out there. Is there anything I can put on my garden before I plant to kill any mildew that might be left?

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dan_staley(5b/SS 2b AHS 6-7)


Sanitation and persistence with the preferred product to combat PM are the tools at hand. PM is effectively ubiquitous.


    Bookmark   March 30, 2011 at 8:45PM
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Powdery Mildew happens when environmental conditions favor it so it is difficult to prevent its occurance. Growing plants in a good healthy soil with proper spacing (encourages good air movement) can help but often will not prevent some Powdery Mildew. This web site may provide some more information.

Here is a link that might be useful: About Powdery Mildew

    Bookmark   March 31, 2011 at 6:44AM
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rhizo_1 (North AL) zone 7

I'm a little curious about the 'everything in my garden' comment. Powdery mildew (we are talking about PM, right?) doesn't tend to effect every plant in a garden, but rather one particular group of plants, usually closely related to one another.

There are many, many different strains of PM and they tend to be quite species specific about which plants they can infect. For example, the strain that we find on our (say) zucchini won't infect the beans.

So! Can we have a little more information, trc225? We might be able to suggest PM resistant cultivars, spacing suggestions, and general 'housekeeping' changes.

    Bookmark   March 31, 2011 at 12:57PM
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