Thursday, November 12, 2009

I have a Blue Concord grape vine & first week in July most the green grapes fell to the ground. Why is this?VA

Grapes will mature the last week in July. No blight was found on vine or any other damage. Vine is about 5 years old. Had no problems before this year. No one knows why this is happening. Vine is located in Hopewell, Va.

I have a Blue Concord grape vine %26amp; first week in July most the green grapes fell to the ground. Why is this?VA
Your problem is probably related to a lack of thinning the vine.


The following person had a similar problem...





Arlington, Va: Adrian,





I have a 10 year old concord grape vine that in the last couple seasons does not produce well. Many of the grapes ripen and fall off very early and small. I inherited the vine and know very little about what is required to keep it in top shape. Are there basic things i should be aware of ? Thanks.





Adrian Higgins: Grapes benefit from thinning. You don't need to thin every berry cluster, but remove entire bunches at flowering time or shortly afterwards. The ones that remain will be larger. I would also spray it with a copper fungicide against mildew and rot.





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