Production and characterization of intergeneric hybrids between turnip (Brassica rapa L. em. Metzg. subsp rapa) and radish (Raphanus sativus L.)

文献类型： 外文期刊

第一作者： Lou, Lina

作者： Lou, Lina;Xu, Yuanyuan;Liu, Zhe;Su, Xiaojun;Lou, Qunfeng;Li, Ziang

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关键词： Brassica rapa L. em. Metzg. subsp rapa;Raphanus sativus;Intergeneric hybrid;Distant hybridization;Amphihaploid

期刊名称：SCIENTIA HORTICULTURAE （ 影响因子：3.463； 五年影响因子：3.672 ）

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收录情况： SCI

摘要： Intergeneric hybridization was performed between Brassica rapa L. em. Metzg. subsp. rapa and Raphanus sativus following tissue culture of hybrid seeds. Twenty-four intergeneric hybrids were produced from crosses between twelve turnip and eight radish species and confirmed to be amphihaploids, with 19 chromosomes in mitosis. All of the hybrids were pollen-sterile, had white petals, and were intermediate in most of their morphological traits with respect to their parents. The hybrids were also confirmed through DNA analyses by using Brassica and Raphanus genome molecular markers. The improvements of these amphihaploids as useful genetic resources and potential of intergeneric hybridization to enrich the gene pool for radish and turnip breeding are discussed. (C) 2017 Elsevier B.V. All rights reserved.

分类号： S6

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