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bloomed open

open pollinated (GB)

Designation (also foundling ) for the natural fertilization of plant flowers, in English "open pollinated" (abbreviation OP). The stigmas of the flowers are "open", that is, naturally fertilized by wind, insect or self-pollination (without artificial help from humans). If the vine seeds are later sown from such openly blossomed flowers, then new descendants emerge, whose pollen donors (father variety) are not known a priori. One can be caused by insects or wind pollination with pollen from other varieties from the surrounding area, but also selfing (Selfing). The father places can only be suspected due to the spatial proximity to other grape varieties.

In contrast to the deliberate crossing, open flowering stands in new varieties, for which selected mother and father varieties are used and self-pollination is prevented beforehand by castrating the flowers (see under blossom and breeding ). It should be noted that actually all without human influence through natural crossing the resulting grape varieties are to be regarded as open flowering.

openly flowered vine varieties: Avrora Magaracha, Missouri Riesling, Muscat Précoce des Samur, Sunbelt

There are open-flowered grape varieties that have been selected for economic use and have acquired a certain importance. It is often about table grapes, These are, among other things Adeline. America. Augusta (4) Avrora Magaracha. Bacchus Black. Blue from Selbach. Breton Blanc. Capital. Carter. Cassady. Chautauqua. comtessa. Eaton. Eger 1. ester. Etraire de l'Aduï. Prince grape. Golden Clinton. Golden Concord. Governor Ross. Horns. Ives. Jewel. Jumbo Red. King. Lexington. Lydia. Madeleine x Angevine 7672. Magnate. Missouri Riesling. Moore Early. Muscat Précoce de Saumur. Peabody. President. Seneca (2) Seyanets Malengra. Sunbelt. Taylor seedling Blankenhorn. Urbana (1), Vialla. Victoria (1), White grape. Witt. Worden. Yonkers,

Images: Ursula Brühl, Julius Kühn-Institut (JKI), Federal Research Center for Cultivated Plants,
Institute for Grapevine Breeding Geilweilerhof - 76833 Siebeldingen, GERMANY

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