[Growwine] vidal

[Martin Paré]

Hi Phil, 

Martin jumping in here... I've used copper oxychloride w/o lime from 3 years 
now in early season ( may-june) with no problem except maybe a burned leaf 
here nad there, except on baltica on which phytotox was visible on each leaf 
(partial burn).  Small, +/-180 vines, sprayed with a back pack (ie dilute spray) 
- all sorts of swensons, DM 8521, Baltica and Regent

On 8 Jul 2008 at 20:14, Phil Ryan wrote:

> 
> Hi Laura and Anthony; 
> I have followed this with some interest as I have some Downy that needs treatment. I keep 
> hearing that tender new growth is burned by copper. When is it safe to use copper and do you 
> follow the lime mixing that the OMAF book recommends? Apple farmers around us apparently 
> use a product called Kocide to apppy copper, but its not approved for grapes. 
> Phil Ryan 
> lurking near SImcoe 
>     ----- Original Message ----- 
>     From: Canada Vintage 
>     To: growwine at littlefatwino.com 
>     Sent: Tuesday, July 08, 2008 5:37 PM 
>     Subject: Re: [Growwine] vidal 
>     In Quebec, we are told that Copper will not eradicate DM. Straight from the MAPAQ 
>     literature.
>     In fact I tend to believe them since I have tried copper without success.
>     
>     Anthony Carone (Zone 4b-5a)
>     Canada Vintage - Carone Vineyards, a division of Carone Enterprises
>     
>     ~~~~~~~~~~~~~~~~~~~~~~
>     www.CanadaVintage.com
>     ~~~~~~~~~~~~~~~~~~~~~~
>     
> 
> 
>     
>     From: laura-sabourin at sympatico.ca
>     To: growwine at littlefatwino.com
>     Date: Mon, 7 Jul 2008 17:55:14 -0400
>     Subject: Re: [Growwine] vidal
>     
>     
>     Not true Anthony :-( in fact backwards 
>     Copper will kill on contact, it is NOT preventative 
>     
>     Laura 
>     ----- Original Message ----- 
>     From: Canada Vintage 
>     To: growwine at littlefatwino.com 
>     Sent: Monday, July 07, 2008 4:45 PM 
>     Subject: Re: [Growwine] vidal 
>     copper is only a preventative spray. It will not cure any DM infections present in your 
>     vineyard.
>     You need to get a more serious fungicide (Abound, Ridomil work for post infections).
>     
>     
>     
>     Anthony Carone (Zone 4b-5a)
>     Canada Vintage - Carone Vineyards, a division of Carone Enterprises
>     
>     ~~~~~~~~~~~~~~~~~~~~~~
>     www.CanadaVintage.com
>     ~~~~~~~~~~~~~~~~~~~~~~
>     
> 
> 
>     
>     From: laura-sabourin at sympatico.ca
>     To: growwine at littlefatwino.com
>     Date: Mon, 7 Jul 2008 08:31:20 -0400
>     Subject: Re: [Growwine] vidal
>     
>     
>     HI Steve 
>     
>     what were the various other solutions ? So far I have only found that copper works for 
>     downey 
>     
>     Laura 
>     
>     ----- Original Message ----- 
>     From: Steve Melchiskey 
>     To: growwine at littlefatwino.com 
>     Sent: Sunday, July 06, 2008 10:07 PM 
>     Subject: Re: [Growwine] vidal 
>     We had downy in a small part of our vineyard last year that attacked the tendrils 
>     first, then spread to leaves, shoots and grapes. My suggestion is to cut it out 
>     now, all of it, anything that is white looking and take it far out of the vineyard and 
>     destroy it. keep doing t his all season and continue spraying (we are organic, so 
>     we used copper and various other solutions). 
>     
>     This kind of sanitation is key to keeping the spread limited. 
>     best, 
>     steve 
>     maine coast vineyards
>     On Jul 5, 2008, at 8:04 PM, vigdespins at aol.com wrote: 
> 
>     Very good chance it could be downy mildew, and resembles a shepherds 
>     hook. 
>     
>     Gilles in Sabrevois.
>     
>     
>     ---- Original Message ----
>     From: Larry Paterson <littlefatwino at trytel.net>
>     To: Growwine List <growwine at littlefatwino.com>
>     Sent: Sat, 5 Jul 2008 6:06 pm
>     Subject: [Growwine] vidal 
>     
>     
>     
>     ----- Original Message ----- From: Margaret Marshall 
>     To: Larry Paterson 
>     Sent: Saturday, July 05, 2008 5:06 PM 
>     Subject: vidal 
> 
>     Hi Everyone! We have something in our vidal, only at one end of the field 
>     closest to wooded areas. It is like powdery mildew, but it is not on the leaves, 
>     only on the tender ends with large tendrils (our vines are very vigorus). No one 
>     seems to be able to identify the problem. We operate our vineyards with a two 
>     week rotating spray program. Do any of my esteemed coleagues recognize this 
>     problem? Ciao, Margaret 
> 
>     
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