太空诱变玉米雄性不育突变体的遗传分析

Shandong Agricultural Sciences(2013)

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Abstract
从卫星搭载的玉米自交系鲁原3624自交后代中选育出1份雄性不育突变体。通过田间观察和室内花粉镜检对其育性进行鉴定,并在不同生态条件下鉴定了不育性状的遗传稳定性,另通过测交、正反交、回交以及自交对不育性状的遗传特性进行了分析。结果表明:该不育突变材料雄穗无任何花药外露,花药内基本无可染花粉粒,且在不同生态条件下均能稳定遗传,属于隐性单基因控制的细胞核雄性不育类型。
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Key words
Space mutagenesis,Mutant,Male sterile,Genetic analysis,Maize
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