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grape vine problems

Last post 02-10-2009 3:14 AM by greenthumb. 0 replies.

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  • 02/10/2009 03:14 AM
    • greenthumb
    • USA
    • 31 Mar 2009
    • 4
    Not Ranked
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    For the past three years, my grapes have had several problems. nice clusters of grapes form but while they are still green and hard, some shrivel and turn hard and black so I thought it might be mummy berry.  but there are also some grapes that turn a rusty color and have holes and are hollow and sometimes bits of web are around the clusters.  Grapes are completely destroyed before they can even ripen but I've seen no moths or worms.  Leaves are untouched but younger leaves turn a splochey yellow while oldler leaves are still a healthy green but I don't know if that's just a nutrient deficiancy.   I tried raking up and burning all the leaves and debree last year but it still came back this year.  

    Any ideas on what I should do?  I hate to use a buch of chemicals but I'm not even sure what I'm dealing with.

    Any input would be awesome.  Thank you so much. :)

    Jen