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by Curtis Phillips | June 26, 2013 | 8:12 AM

A well-attended ASEV Rootstock Symposium in tribute to UC Davis professor Jim Wolpert opened the ASEV annual meeting.

One interesting thing I noticed was that the same handful of rootstocks (101-14, 110R, SO4) are used as the “default,” seemingly no matter where the vineyard has been planted. Certainly a particular rootstock may be avoided if it is found to be especially unsuited to local condition, but this appears to be the exception rather than the rule. I suspect that this is driven by the relative lack of viable options. Ninety percent of all Vitis vinifera vines in the world are grafted to just 10 rootstocks. 

Mark Greenspan discusses rootstock water use and soil interactions

 The 64th ASEV National Conference runs June 24-28, 2013. See asev.org for more information.

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