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S.P.

Abbreviation for "self-pollinated"; see under Selbstung.

Term for the self-pollination of a plant with its own pollen during flowering, which subsequently leads to self-pollination (but the two terms are often used as synonyms for each other) The cultivated vine usually has hermaphroditic flowers. The male and female organs are united in a flower bud. This fact is the main reason why cultivated vines are largely self-pollinated. The process within the hermaphrodite blossom (autogamous) or between two flowers of the same plant (later bunch) is called self-pollination in the narrower sense. Between two flowers of two apparitions of a vine this is called self-pollination in a broader sense (geitonogamous).

Rebstockblüte

A new variety with a fundamentally different genetic composition is most likely to be created when there is no self-pollination but cross-pollination by another variety. In this way, countless grape varieties have spontaneously developed over...

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