"Vine symptoms are not a reliable indicator of the presence of leafroll
virus because other factors may lead to similar symptoms"

This quote is from
http://winegrapes.tamu.edu/grow/diseases/leafroll.shtml

Bob

RD wrote:
> > Do you have dry soil??? Did the plants get plenty of water or did you
> > try and make the vines suffer?
>
> There is no need to make vines suffer the first year they are planted.
> They need strong root growth at this point. Plenty of rain here this
> summer but the vines were watered during dry spells.