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5. 芥菜型油菜多室性状的遗传分析及其基因的分子标记

芥菜型油菜多室性状的遗传分析及其基因的分子标记

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【摘 要】

：

油菜是我国重要的油料作物之一,每年大约有40-42%的食用植物油来源于油菜。培育优质高产的油菜品种是当前育种工作者的首要目标。多室角果油菜相比于两室角果油菜,其每果粒数显著增多,在油菜适宜密植、直播及机械化操作等生产与遗传改良中,多室性状无疑具有重要作用。目前已报道的多室油菜类型有白菜型油菜和芥菜型油菜。研究结果表明,白菜型多室性状受一对隐性核基因控制,芥菜型油菜多室性状虽也为一对隐性核基因控制,

【作 者】

：

吕泽文 

【机 构】

：

华中农业大学

【发表日期】

：

2011年06期

【关键词】

：

芥菜型油菜 多室性状 基因 分子标记 

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油菜是我国重要的油料作物之一,每年大约有40-42%的食用植物油来源于油菜。培育优质高产的油菜品种是当前育种工作者的首要目标。多室角果油菜相比于两室角果油菜,其每果粒数显著增多,在油菜适宜密植、直播及机械化操作等生产与遗传改良中,多室性状无疑具有重要作用。目前已报道的多室油菜类型有白菜型油菜和芥菜型油菜。研究结果表明,白菜型多室性状受一对隐性核基因控制,芥菜型油菜多室性状虽也为一对隐性核基因控制,但还为微效基因所修饰。白菜型油菜的多室性状位于A基因组上,遗传不够稳定,多室单株常表现为多室角果

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