In Reply to: Re: re:Zinfandel posted by Old, gray and definitely in the way on May 21, 1999 at 16:38:42:
G'DayIt is possible that American vines were grafted onto Phyloxera
resistant root stock (e.g. Vitus Robusta) as opposed to Vitus Vinifera,
which is particularly susceptible to this particular louse (literally).
Regards,
Gary Jacobson
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