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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