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#1
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Grapevine losing leaves
I have a 3y.o. outdoor grape vine, Chardonnay on a 3309 american rootstock.
It grew vigorously in Spring but then stopped, now many of its leaves are turning yellow and a few at the base are dropping off. I would expect this to happen in late September/October, but the other two outdoor vines I have are still very green and they are 6-10 feet away from the Chard. Any ideas? -- Any help TIA Please reply to Newsgroup scrambled address |
#2
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In message ,
mutley writes I have a 3y.o. outdoor grape vine, Chardonnay on a 3309 american rootstock. It grew vigorously in Spring but then stopped, now many of its leaves are turning yellow and a few at the base are dropping off. I would expect this to happen in late September/October, but the other two outdoor vines I have are still very green and they are 6-10 feet away from the Chard. Any ideas? Are the leaves a uniform yellow or are they blotchy and beginning to look as though they are scorched? If the former then it could be lack of water (though this isn't normally a problem with an established vine) and/or lack of trace elements. Three years old is barely established. If the latter then you have a mildew problem. David -- +------------------------------------------------------------+ | Internet: | writing from | | Fidonet: David Rance 2:252/110 | Le Mesnil Villement, | | BBS: telnet://mesnil.demon.co.uk | Calvados, France | +------------------------------------------------------------+ |
#3
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Thanks for this
"David Rance" wrote in message I have a 3y.o. outdoor grape vine, Chardonnay on a 3309 american rootstock. [snip] Are the leaves a uniform yellow or are they blotchy and beginning to look as though they are scorched? They seem to go a uniform yellow, sometimes starting from one side of the leaf. There's what looks like a few rust spots on some. If the former then it could be lack of water (though this isn't normally a problem with an established vine) and/or lack of trace elements. Three years old is barely established. If the latter then you have a mildew problem. I've looked up the Oxford Encyclopaedia on Wine and I don't see any traces of powdery or downy mildew as described there. There has been a lot of rain this summer but the vine is against a garage wall and down through gravel where there won't be much moisture. I'm hoping it's actually lacking trace elements. thanks for your help. |
#4
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The message
from "mutley" contains these words: I've looked up the Oxford Encyclopaedia on Wine and I don't see any traces of powdery or downy mildew as described there. There has been a lot of rain this summer but the vine is against a garage wall and down through gravel where there won't be much moisture. I'm hoping it's actually lacking trace elements. Don't worry too much about water if the vine is established - it will send roots to a considerable depth to find it. -- Rusty Emus to: horrid dot squeak snailything zetnet point co full-stop uk http://www.users.zetnet.co.uk/hi-fi/ |
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