In viticulture, a common facility or operation for the cultivation of grafts and rootstocks, analogous to a tree nursery. Often a grafting operation is also connected. An important basis for rearing or "enrolment" is light to medium-heavy soil rich in humus, which enables rapid rooting. A prerequisite is above all a sufficient supply of potassium (potassium salts) and magnesium. The plant must be at little risk of frost, warm and protected from the wind, and free from virus-transmitting nematodes (threadworms). Only vegetative propag ation can guarantee that the newly created vines have exactly the same genes and thus characteristics as the original vine. Generative propagation by sowing and raising grape seeds is therefore out of the question. The basis for the later vine are two components, namely the scion (upper part) and the rootstock (lower part). Both are raised separately and only become a plantable cutting through grafting, forcing and subsequent enrolment.
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Restaurantleiter, Sommelier, Weindozent und Autor; Dresden