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Rejuvenation in vitro: Induction of Juvenile Characters in an Adult Clone of Vitis vinifera L.
M. G. MULLINS, Y. NAIR and P. SAMPET
Annals of Botany
Vol. 44, No. 5 (November 1979), pp. 623-627
Published by: Oxford University Press
Stable URL: http://www.jstor.org/stable/42756656
Page Count: 6
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Shoot morphology in cultivars of the grapevine (Vitis vinifera L.) is of the adult form and is characterized by presence of tendrils and by distichous phyllotaxy. In juvenile seedlings phyllotaxy is spiral (2/5) and tendrils are absent. The adult morphology of cultivars is persistent with standard methods of vegetative propagation. The juvenile form of Cabernet Sauvignon, an ancient clone, reappeared in vitro in shoots from serially subcultured shoot tips and in shoots from isolated buds grown with benzyladenine (5 µM).
Annals of Botany © 1979 Oxford University Press