So what kind of rootstock is being used currently for your vines to basically alleviate, I'm assuming, funguses and other types of things that are problems? So in America and around the world now, Most of the rootstock that we use in grapevines is from American species. There's species called Rupestris riparia berlandieri Champion, all these Latin names, but there's crosses that have numbers and letters on them now that we use. (12:27–12:32)
CLAIM
Asserts that most grapevine rootstocks used are from American species.
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