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Winemaking (rec.crafts.winemaking) Discussion of the process, recipes, tips, techniques and general exchange of lore on the process, methods and history of wine making. Includes traditional grape wines, sparkling wines & champagnes. |
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copper and grape vines
I'm designing something for my vineyard trellis. It's rather complicated,
and I won't go into detail here. But I need to know how a grape vine might react if the canes and shoots are touching copper (as in copper piping). I know that copper sulfate is toxic to most vegetation, except in micro quantities. If canes, shoots and leaves are trellised--in part (but not all)--to copper piping, can this have a detrimentatl affect? Or, is seasonal contact of the canopy too minimal? (mayb if I painted the copper---but then, what about the paint?) Any feedback would be appreciated Jeff |
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One of the earliest treatments for fungal diseases in grapes was Bordeaux
mix which contained copper. So, I think copper pipes would be fine. Steve "Jeff Chorniak" > wrote in message ... > I'm designing something for my vineyard trellis. It's rather complicated, > and I won't go into detail here. But I need to know how a grape vine might > react if the canes and shoots are touching copper (as in copper piping). > > I know that copper sulfate is toxic to most vegetation, except in micro > quantities. If canes, shoots and leaves are trellised--in part (but not > all)--to copper piping, can this have a detrimentatl affect? Or, is > seasonal > contact of the canopy too minimal? > > (mayb if I painted the copper---but then, what about the paint?) > > Any feedback would be appreciated > > Jeff > > |
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Jeff Chorniak wrote:
> I'm designing something for my vineyard trellis. It's rather complicated, > and I won't go into detail here. But I need to know how a grape vine might > react if the canes and shoots are touching copper (as in copper piping). > > I know that copper sulfate is toxic to most vegetation, except in micro > quantities. If canes, shoots and leaves are trellised--in part (but not > all)--to copper piping, can this have a detrimentatl affect? Or, is seasonal > contact of the canopy too minimal? > > (mayb if I painted the copper---but then, what about the paint?) > > Any feedback would be appreciated > > Jeff > > I have a couple of grape vines trellised with 12 gauge copper wire... they're quite happy. I have to retension them every couple of years, but that's cuz the copper wire stretches from the vine load. Since those wires don't turn bluish (the color of hydrated copper sulfate), I'm guessing there's too little to harm your vines. Gene |
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