Powdery Mildew on Blueberry Leaves

noss(Zone 9a Lafayette, LA)April 29, 2012

Hello All,

I have several blueberry bushes that developed powdery mildew on the leaves, so said the people at the nursery. There are white spots that look dusty and it also affects the underside of the leaves. We had a rainy Spring and the bushes were not where they got full sun all day out in the open. That's being remedied now.

What should I use on the blueberry bushes that won't affect the fruit, or eating the fruit?

Thanks,

noss

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JRG13

Sulphur products typically work well.

    Bookmark   April 30, 2012 at 11:18AM
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noss(Zone 9a Lafayette, LA)

Hi JRG13,

Thanks. What specifically are you talking about as far as a name brand for the sulphur? I'm new to this and don't want to put something on the bushes that is not good.

There are berries on these bushes and I'd like to be able to put something on them that won't hurt me to eat them when they get ripe. Right now, there are new leaves forming on the bushes, as well, which is a good sign, I would think.

Thanks for any further elaboration you can give me.

noss

    Bookmark   April 30, 2012 at 4:02PM
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JRG13

I'll see what products we use. I think it might just be straight elemental sulphur in the end but I'll get back to you. Once you get it controlled it usually keeps it in check for awhile.

Jeff

    Bookmark   April 30, 2012 at 5:31PM
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noss(Zone 9a Lafayette, LA)

Hi Jeff,

Thanks for checking on it.

We use copper sulphate for rust on fig trees.

I just need something that, hopefully, we can still eat the berries while the bush is being treated.

noss

    Bookmark   April 30, 2012 at 8:06PM
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noss(Zone 9a Lafayette, LA)

Ooops--I meant to add, if that's at all possible.

noss

    Bookmark   April 30, 2012 at 8:07PM
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ray4852

I use this product. its very good. use it once a week.

http://www.greencure.net/

    Bookmark   May 1, 2012 at 4:14AM
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JRG13

Hi, so we use Procure to treat powdery. Some people also use Bonide Sulfur at 1g per 500ml water. I'm sure with Procure there is a harvest window for edibles, the Bonide would probably be a safer bet.

Jeff

    Bookmark   May 1, 2012 at 11:03AM
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noss(Zone 9a Lafayette, LA)

Thanks, Ray, for the link to the product.

Thanks, also Jeff for taking the time to find out the names of the products for me.

Much appreciated, both of you.

noss

    Bookmark   May 1, 2012 at 8:40PM
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