Grape Vines
Q.

Grapevine

Zone Queens, New York | Anonymous added on June 19, 2018 | Answered

I have a grapevine that's at least 50 years old. Each spring it blooms and produces an abundance of grapes. This sprin it bloomed as usual, and the as if overnight, I noticed the leaves wilting and eventually dry up. Not all the branches from the main trunk look dead. The leaves don't appear to have any disease growing on them. Should I cut off the dead branches, and hope the vine regenerates itself?

    A.
    A.Answers to this queston: Add Answer
    Downtoearthdigs
    Certified GKH Gardening Expert
    Answered on June 20, 2018

    Though you many not be able to see any disease, I would suggest spraying with a general purpose fruit spray.
    There are several diseases that could cause leaf wilt and die off.
    These links will help you pinpoint the issue.

    http://www.ct.gov/caes/lib/caes/documents/publications/fact_sheets/plant_pathology_and_ecology/disease_control_for_home_grape_plantings.pdf
    http://www.ipm.msu.edu/grape_diseases

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