Powdery Mildew on Cukes

Melissa HouserMay 12, 2009

Looking for some all-natural solutions, if there are any. My online research recommends chemicals, which I'm trying to avoid. The mildew is just starting, but I'd rather nip it in the bud. Should I remove the affected leaves and spray the rest with some kind of solution of dishwashing liquid?

I don't water from above and my cucumbers have been babied as much as possible, but the landlord's new irrigation system waters at night (with water from a pond) and I think the overspray may have given my garden some water that's not good for it.

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Try non fat milk and water in equal amounts with a little bit of dish soap but will have to water from above.

    Bookmark   May 12, 2009 at 12:25PM
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engineeredgarden(7, nw Alabama)

lissa - some copper fungicide will do the trick.


    Bookmark   May 12, 2009 at 12:54PM
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gumby_ct(CT it says Z5)

I have used whole milk and half&half in 50/50 mix with water, both work but I had to do it everyday. I had better results with baking soda & water in a spray bottle. Make your own recipe. Or use compost tea if you have it.

Since Powdery Mildew is airborne, it is very difficult to combat. The long term solution may be to plant more cukes or find a resistant variety.

Good Luck

    Bookmark   May 12, 2009 at 1:06PM
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peel(z6 CT)

Ugh, powdery mildew. My arch nemesis last year. I used the milk/water mix and although it stopped the progression I was too late as it had already taken over. If it's just starting I think you'll have better luck with it than I did. Good luck!

    Bookmark   May 12, 2009 at 2:59PM
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Thing that always works for me is 1 teaspoon baking soda and 1 teaspoon Murphy's Oil Soap in a quart of water in a spray bottle. Never fails...

    Bookmark   May 12, 2009 at 3:19PM
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Melissa Houser

Thank you all! I am hoping to head this off at the pass, so I'll be trying these cures tonight.

    Bookmark   May 12, 2009 at 5:49PM
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