标题:8 NEW SOMATIC HYBRID CITRUS ROOTSTOCKS WITH POTENTIAL FOR IMPROVED DISEASE RESISTANCE

作者:Louzada, E. S.,Grosser, J. W.,Gmitter, F. G.,Nielsen, B.,Chandler, J. L.,Deng, X. X.,Tusa, N.

摘要:Protoplast culture following polyethylene glycol-induced fusion resulted in the regeneration of vigorous tetraploid somatic hybrid plants from eight complementary parental rootstock combinations: Citrus reticulata Blanco (Cleopatra mandarin) + C. aurantium L. (sour orange), C. reticulata (Cleopatra mandarin) + C. jambhiri Lush (rough lemon), C. reticulata (Cleopatra mandarin) + C. volkameriana Ten. & Pasq. (Volkamer lemon). C. reticulata (Cleopatra mandarin) + C. limonia Osb. (Rangpur), C. sinensis (L.) Osb. (Hamlin sweet orange) + C. limonia (Rangpur), C. aurantium (sour orange) + C. volkameriana (Volkamer lemon) zygotic seedling, C. aurantium hybrid (Smooth Flat Seville) + C. jambhiri (rough lemon), and C. sinensis (Valencia sweet orange) + Carrizo citrange [C. paradisi Macf. x Poncirus trifoliata (L.) Raf]. Diploid plants were regenerated from nonfused callus-derived protoplasts of Valencia sweet orange and Smooth Flat Seville and from nonfused leaf protoplasts of sour orange, Rangpur, rough lemon, and Volkamer lemon. Regenerated plants were classified according to leaf morphology, chromosome number, and leaf isozyme profiles. All somatic hybrid plants were tetraploid (2n = 4x = 36). One autotetraploid plant of the Volkamer lemon zygotic was recovered, apparently resulting from a homokaryotic fusion. These eight new citrus somatic hybrids have been propagated and entered into field trials.

关键词:citrus blight,citrus breeding,citrus tristeza virus,protoplast,fusion,tetraploid

文献注录:Louzada, E. S.,Grosser, J. W.,Gmitter, F. G.,Nielsen, B.,Chandler, J. L.,Deng, X. X.,Tusa, N.. 8 NEW SOMATIC HYBRID CITRUS ROOTSTOCKS WITH POTENTIAL FOR IMPROVED DISEASE RESISTANCE [J]. Hortscience. : 1033-1036.

报/刊名:Hortscience》,发表于

文献类型: [J]

页码: 1033-1036 页 / 共

Copyright© 2012 中国农业科学院柑桔研究所 All rights reserved.   网站备案号:渝ICP备05000267号   栏目访问量:次.     联系站长