Production and molecular characterization of two new Citrus somatic hybrids for scion improvement

• Autorzy: Cai X. , Duan Y. , Fu J. , Guo W.
• Języki publikacji: EN

Abstrakty

EN

Somatic hybridization by protoplast fusion from cell suspension cultures and leaf parent has been a well-established technique holding great potential for citrus variety improvement. In this study, somatic hybrid plants were regenerated from the following two fusion combinations: ‘Murcott’ tangor (Citrus reticulata Blanco × C. sinensis (L.) Osbeck) + Hirado Buntan Pink pummelo (HBP) (C. grandis (L.) Osbeck) and ‘Bingtang’ orange (C. sinensis (L.) Osbeck) + Calamondin (C. microcarpa Bunge). Somatic hybrids were selected at an early stage based on their higher capacity for embryogenesis comparing to non-hybrid cells. Flow cytometry analysis showed that all plants from pre-selected lines of the two combinations were tetraploid. SSR analysis confirmed their hybrid nature, with nuclear DNA from both fusion parents, and absence of parental specific bands was also detected. Cytoplasmic compositions of the recovered plants were further revealed by CAPS and cpSSR analysis. The allotetraploid somatic hybrids from the ‘Murcott’ tangor + HBP combination will be applied to develop triploid seedless cultivars by interploid crossing with diploid seedy citrus cultivars, and those from ‘Bingtang’ orange + Calamondin could be valuable for Asiatic citrus canker-tolerant and ornamental citrus breeding.

• Wydawca: -
• Czasopismo: Acta Physiologiae Plantarum
• Rocznik: 2010
• Tom: 32
• Numer: 1
• Opis fizyczny: p.215-221,fig.,ref.

Twórcy

autor

Cai X.

• Franciszek Górski Institute of Plant Physiology of the Polish Academy of Sciences

autor

Duan Y.

• Franciszek Górski Institute of Plant Physiology of the Polish Academy of Sciences

autor

Fu J.

• Franciszek Górski Institute of Plant Physiology of the Polish Academy of Sciences

autor

Guo W.

• Franciszek Górski Institute of Plant Physiology of the Polish Academy of Sciences

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