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RE: [nafex] powdery mildew on grapes
Lon: Could you post the citation for the article? Thanks.
Richard L. Bell
Research Horticulturist
USDA, ARS
Appalachian Fruit Research Station
45 Wiltshire Road
Kearneysville, WV 25430-9425
Tel: 1-304-725-3451 Ext. 353
Fax: 1-304-728-2340
> ----------
> From: Lon J. Rombough[SMTP:lonrom@hevanet.com]
> Reply To: nafex@egroups.com
> Sent: Wednesday, May 31, 2000 12:59 PM
> To: nafex@egroups.com
> Subject: Re: [nafex] powdery mildew on grapes
>
> The classic treatment is sulfur, though more as a preventative. Once
> the
> disease has started you have to use wettable sulfur and spray it on.
> I've
> also been looking into a new product called OxiDate that looks
> interesting.
> It's a peroxide compound that releases oxygen when sprayed on and will
> kill
> established mildew. I have a paper on it, but it's pretty long to
> post.
> -Lon Rombough
> Grapes, unusual fruits, writing, more, at
> http://www.hevanet.com/lonrom
>
> ----------
> >From: PRishel826@aol.com
> >To: nafex@egroups.com
> >Subject: [nafex] powdery mildew on grapes
> >Date: Wed, May 31, 2000, 7:04 AM
> >
>
> >Hi all, while we're on grapes here...my French Columbard vine has
> developed a
> >severe case of powdery mildew...all of my American varieties are
> untouched
> >(obviously, I guess), as are my other viniferas...only the Columbard
> (fruit
> >included, it seems) has it. Does anyone have any spray suggestions
> for me
> >that might check the pm? I'd be grateful. Thanks so much, Patricia
> Rishel
> >Los Angeles USDA Zone 11
> >
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