Abstract
Anthers from Frumoasa alba (White beauty), Otilia, Valerien, Mission and Siegfried Rebe (FS4) cultivars were cultured at the uninucleate stage of the microspore on Murashige and Skoog (1962) and Nitsch and Nitsch (1969) media supplemented with 2,4-dichlorophenoxyacetic acid (4.9 μM) and benzyladenine (4.4 μM). The primary calli were subcultured on MS medium with 6.6 μM BA and 1.1 μM indolylacetic acid, in order to induce their growth and plant regeneration. After seven months, vegetative buds were obtained with Frumoasa alba (2.7%), Otilia (0.3%), Valerien (4.5%), embryogenic callus was obtained with Mission and plant regeneration with Siegfried Rebe. Long term embryogenesis was maintained in Mission cv. for four years, by selection and regular transfer of the embryogenic areas of anther-derived calli. The embryogenic calli have the ability to generate abnormal somatic embryos with one, two or three cotyledons and cup or trumpet-shaped with fused cotyledons. In parallel with the embryogenic process, organogenesis with buds, leaf and shoot differentiation was regularly observed.
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Popescu, C.F. Somatic embryogenesis and plant development from anther culture of Vitis vinifera (L.). Plant Growth Regul 20, 75–78 (1996). https://doi.org/10.1007/BF00024062
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DOI: https://doi.org/10.1007/BF00024062