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Miker
 
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Default Can a grape vine change?

Dave Allyn > wrote in message >. ..
> Are you POSITIVE it is a concord grape? could it just be a red grape?
>
> Is it possible the grape got cross polinated with a red varity? I
> don't know enough about grapes Genetics, to know which is the
> dominant, but if red is dominant, and white reccessive, the cross
> could very likely come up red.


Cross pollination cannot affect this years crop, it only affects the
seed and therefore the next generation (coming from that seed) so this
particular vine will never see a change in fruit color from
cross-pollination. The change is most likely from the graft as Mike
MTM points out.