"Yellow" leaves, especially new growth

Discussion in 'Grapes and Grape Vines' started by Fossil2, Jul 22, 2008.

  1. Fossil2

    Fossil2 Member

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    Location:
    SE Minnesota, USA
    SE Minnesota. I have grown grapes on my site over 20 years. This is the first time I lost two vines over the winter, and had what I would call severe die back on several others. I have noticed lighter color to leaves on many vines of my 16. This does not seem to be variety specific. I have Concord, Niagra, and Catabwa. The vines are mulched with shredded oak bark, which has been in place and renewed many years. Perhaps I overpruned? REPLY WELCOME
     
    Last edited: Jul 23, 2008

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