Are you putting different rootstocks in different zones where these plants are going, or. Is it all pretty much uniform in a general way? Yes. So O3916 is going to find itself in the Napa area, the north coast, because it's resistant to a disease. that occurs where you've done generation after generation of rootstock. And it's also a disease that expresses itself more virus, where it's kind of cool and moderate. (08:22–08:28)
CLAIM
Asserts that the O3916 rootstock is used in Napa due to its disease resistance.
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