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Compatibility of interspecific hybridization between Cucurbita pepo L.and Cucurbita maxima D.
Author(s): 
Pages: 25-29
Year: Issue:  1
Journal: Acta Agriculturae Zhejiangensis

Keyword:  Cucurbita pepo L.Cucurbita maxima D.interspecific hybridizationcompatibility;
Abstract: 选取南瓜属2个主要栽培种美洲南瓜和印度南瓜共12个品种的多代自交材料进行远缘杂交,选配了正反交组合共72个,研究其正反交的亲和性差异,不同材料问的亲和性差异以及杂种后代的表现.结果表明:美洲南瓜与印度南瓜进行种间杂交,美洲南瓜只适合作母本、印度南瓜只适合作父本;其正反交的亲和性不同,表现在坐果率、有胚果实率以及有胚率等方面的差异;远缘杂种的不育性、不稔性与杂交亲和性有关;并讨论分析了用印度南瓜改良...
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