Term (also direct producer, self-producer, French: Producteur direct) for ungrafted vines that have not been grafted. They stand "on their own two feet", so to speak. The term was first coined in connection with the introduction in the second half of the 19th century of the now common practice of grafting scions onto American rootstocks. After many unsuccessful attempts, this was ultimately successful in combating...
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Dr. Christa Hanten
Fachjournalistin, Lektorin und Verkosterin, Wien