
handle: 10261/165205
[ES] A partir de callos de anteras del clón 135 de Grenache N (Vitis vinífera L), se obtuvieron somaclones, que en 1989 fueron injertados sobre S04 y plantados en un suelo arenoso a razón de cinco cepas por somaclón. Sobre 16 de estos somaclones y un testigo, se llevó a cabo el estudio de diversos caracteres ampelográficos del brote, hoja, baya y semilla. Los resultados obtenidos fueron los siguientes: ~ Todos ellos presentaban brotes con idénticas características. ~ El testigo presentaba hojas sin senos y con densidad nula de pelos erguidos entre los nervios, y los somaclones hojas con senos más profundos y con distintas densidades de pelos erguidos. - El peso de las pepitas era menor en el testigo y en 9 de los 16 somaclones y mayor en el resto. Queda patente que toda comercialización deberá ir precedida de un estudio que asegure que las características de cada somaclón, se corresponden con las típicas de la variedad.
[EN] Somaclones were obtained from anther calluses of clone 135 from cultivar Grenache N; they were grafted in S04 and established on a sandy soil (ENTAV, Domaine de l'Espiguette). Several qualitative and quantitative parameters of the green shoot, leaf, berry and seeds were studied in 16 somaclones and a control plant. The following results were obtained: ~ The leaves of tile control plant had no sinus and a null or very weak density of erect hairs between the main veins. Somaclones' leaves had deeper sinuses and higher density of erect hairs between the veins than those of the control clone. ~ The seeds of the 7 somaclones weighed more than those of the control plant and the others somaclones. Finally, before propagating somaclones, it will be necessary to verify that all the characteristics agree with the varietal type and are stable along time.
10 páginas y 5 figuras.-Trabajo presentado en el II Congreso Iberoamericano y III Congreso Ibérico de Ciencias Horticolas, celebrado entre el 11 y el 15 de marzo de 1997 en Vilamoura, Portugal.
Este trabajo ha sido financiado por el Instituto de Investigación y Tecnología Agraria y Alimentaria (INIA~España), mediante una beca postdoctoral concedida a la Dra. Martínez.
Peer reviewed
Pubescence, Deep sinus, Vitis vinifera, Seed weigth, Somaclonal variability
Pubescence, Deep sinus, Vitis vinifera, Seed weigth, Somaclonal variability
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