[Market-farming] Basil Downy Mildew

Deb Taft deb at mobiusfields.com
Mon Feb 11 21:04:55 EST 2013

Hi Bill.

I was hoping you'd weigh in on this!

Phosphorus acid fungicides are mentioned in several of the articles I've
read, including this alert from Cornell:


It doesn't appear that they're OMRI compliant as they are cited here as a
conventional control.


On Mon, Feb 11, 2013 at 8:40 PM, Shoemaker, William H <wshoemak at illinois.edu
> wrote:

>  I'm curious about this, only because I don't know much about this
> disease in Basil specifically. I run into downy mildew in other crops and
> one interesting treatment that can be very effective is phosphorus acid. It
> isn't a high-powered chemistry. Its a pretty simple product that serves as
> a fertilizer as well as an effective eradicant of downy mildew in grapes.
> Does anyone know if it can be used on downy mildew of basil? Does it comply
> with OMRI? It can be a very effective tool for addressing downy mildew in
> grapes.
> Bill
> William H. Shoemaker,
> Northern Illinois Viticulturist - IGGVA
> *Illinois Grape Growers and Vintners Association*
> wshoemak at illinois.edu
>   ------------------------------
> *From:* market-farming-bounces at lists.ibiblio.org [
> market-farming-bounces at lists.ibiblio.org] on behalf of Deb Taft [
> deb at mobiusfields.com]
> *Sent:* Monday, February 11, 2013 7:21 PM
> *To:* Market Farming
> *Subject:* [Market-farming] Basil Downy Mildew
>  Hi All.
>  I had Basil Downy Mildew for the first time last year; wiped out my crop
> after just a couple weeks of usable harvest.  I was hoping there would be
> some disease-free seed available but I'm not finding it anywhere.  It looks
> like there is not yet a test to determine whether seed is infected or not.
>  Have any of you had luck with treatment?  Looks like Actinovate and
> Oxidate are the best organic controls.
>  I know the seed I have left over from last year carries it so seems
> kinda silly to use it...but if there isn't any disease-free seed available,
> then throwing it out and randomly buying other seed is silly too.
>  Thoughts?
> Shall I just be ready to treat it prophylactically?
>  Thanks!
>  Deb
> Mobius Fields
> Sleepy Hollow / Katonah / Waccabuc NY
> 12" of snow Saturday, high of 40 today, in the 40s all week!
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