短光低温诱导雄性不育水稻种质的利用研究
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广东省自然科学基金


STUDIES OF UTILITATION OF RICE GERMPLASM WITH SHORT PHOTOPERIOD LOW TEMPERATURE INDUCED MALE STERILE
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    摘要:

    宜DS在广州观察了两年,结果表明,它具有短光低温诱导下不育长光高温诱导可育的特性,农艺性状于籼粳之间,遗传基础比较复杂,欲转育稳定的不育系可能要较多的世代,在杂交稻华南双季制种区,低温诱导不育可以前效地抑制早晚稻在孕穗期因冷空气引起不育系的不育性改变,能保证双季制种成功,这一种质的利用,有可能使华南两季杂交稻育种发生较大的变革。

    Abstract:

    Yi-DS is a specialized rice as short photoperiod low temperature induced male sterile, and as long photoperiod high temperature induced male fertile. It expressed characters between indica and japonica, genetic complexity and more generation for transferring a sterile line. In the area of South China, seed production of hybrid rice is divided into first-crop (early) season and second-crop (late) season. This speciality may prevent a sterile line from transformation of male sterility caused by cold current (low temperature) at the booting stage, and therefore success the seed production. The practical use of this germplasm may develop a change in two-line hybrid rice breeding in South China.

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万邦惠 陈雄辉.短光低温诱导雄性不育水稻种质的利用研究[J].华南农业大学学报,1998,(1):35-39

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