[Growwine] vidal
Phil Ryan
vnefv at brant.net
Wed Jul 9 06:15:13 EDT 2008
Hi Laura;
Thanks for that information. I will be using some in the near future.
Phil Ryan
----- Original Message -----
From: Laura
To: growwine at littlefatwino.com
Sent: Tuesday, July 08, 2008 11:29 PM
Subject: Re: [Growwine] vidal
copper can burn varieties which are sensitive , there is a list in OMAFRA publication 360 or just google the variety + copper
never spray it in bright sunlight , dawn or dusk is best
use lime to be on the safe side
I don't use lime with the cu oxychloride but for certain you need it with bluestone
I have not tried Kocide but have heard good things from south of the border
Laura
----- Original Message -----
From: Phil Ryan
To: growwine at littlefatwino.com
Sent: Tuesday, July 08, 2008 8:14 PM
Subject: Re: [Growwine] vidal
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
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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
~~~~~~~~~~~~~~~~~~~~~~
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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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