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Obtention d'embryons par culture d'antheres chez le chou-fleur et le brocoli et evaluation des potentialites du materiel obtenu pour la creation varietale

Abstract : Anther culture was undertaken on 20 broccoli and 10 cauliflower genotypes. The androgenic embryo yield depended on the variety, on the genotype and on the culture medium. The best results were obtained with a liquid medium containing silver nitrate. The regeneration rate from embryos to plantlets changed according to the embryo developmental stage at the time of subculture and according to sucrose concentration in the medium. The ploidy level of acclimated plantlets was determined by flow cytometry of nuclei and showed early polyploidization dependent on donor genotype. In general, the diploid lines derived from this work give very low seed yields compared with the lines derived from classical selection methods. The interest of utilizing anther culture in the creation of lines for broccoli and cauliflower breeding programs is discussed.
Keywords : CULTURE D'ANTHERE
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  • HAL Id : hal-02709792, version 1
  • PRODINRA : 101637

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Jean-Eric Chauvin, Q. Yang, B. Le Jeune, Y. Herve. Obtention d'embryons par culture d'antheres chez le chou-fleur et le brocoli et evaluation des potentialites du materiel obtenu pour la creation varietale. Agronomie, EDP Sciences, 1993, 13 (7), pp.579-590. ⟨hal-02709792⟩

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