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Bud

bud (GB)
bourgeon (F)
yema (ES)
gomo (PO)
boccio (I)

See under eye.

Term (also bud) for the juvenile condition of a new shoot or sprout. In the vine, the eye is located in the leaf axils on the nodes of annual shoots (hence axillary or axillary bud). The winter eye consists of woody involucral bracts, which are layered in several layers on top of each other and envelop the primary, already pre-differentiated plants of the new shoot. In miniature form, the shoot axis with the laterally angled plants for leaves (foliage), tendrils (attachment organs) and inflorescences (shingles) can already be seen. The cavities in the bud are filled with fine wool hairs, so that the shoot is protected from injury, frost and moisture during the winter dormancy until the shoots shoot in spring. The diaphragm (wooden bridge) is located at the place of the nodes.

Auge (Knospe) - Zeichnung und Foto

Main eye and secondary eye

In addition to the main eye (plant for the main shoot), each winter bud also contains two secondary eyes, located laterally at the base of the bud. These are also pre-differentiated, but have a simpler structure and serve as replacement buds in an emergency. They usually only sprout when the main eye or the young shoot that emerges from it has been destroyed by external conditions such as frost, game browsing or insect damage, or in spring when growth is inhibited by Milbenmite...

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