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空间诱变高粱突变体的研究
引用本文:赵玉锦,赵琦,白志良,王呈祥,李占录,崔庆玲.空间诱变高粱突变体的研究[J].植物学通报,2001,18(1):81-89.
作者姓名:赵玉锦  赵琦  白志良  王呈祥  李占录  崔庆玲
作者单位:1. 中国科学院植物研究所,
2. 山西省农科院高粱研究所,
基金项目:中国科学院植物研究所所长基金资助项目。
摘    要:1996年经4返回式卫星搭载处理的纯系高粱品种晋粮5号(CK)的种子经次年播种生,区得少量秆早熟突变体(SP3)。此后连续二年播种,该突变体矮秆早熟性状稳定,该突变体与未经搭载的对照相比多400粒。(3)SP3平均千粒重为34g,对照为27g。(4)SP3叶片变窄,变短,增厚,叶面积减少了43%-22%。(5)SP3穗轴长度比对照增加30%,各节间长度比对照缩短了67%-15%。(6)SP3种子中亮氨酸含量比对照增加15%,可溶性糖含量比对照增加25%,单宁含量降低了30%。

关 键 词:空间诱变  高粱  突变体  矮秆  早熟
修稿时间:2000年11月13

Study on Sorghum Mutant Induced by Space Flight
ZHAO Yu-Jin,ZHAO Qi,BAI Zhi-liang,WANG Cheng-xiang,LI Zhan-Lu,CUI Qing-ling.Study on Sorghum Mutant Induced by Space Flight[J].Chinese Bulletin of Botany,2001,18(1):81-89.
Authors:ZHAO Yu-Jin  ZHAO Qi  BAI Zhi-liang  WANG Cheng-xiang  LI Zhan-Lu  CUI Qing-ling
Abstract:Seeds of a pure breeding sorghum ‘Jinliang No.5’(CK) were treated by Chinese Reversal Man-made Satellite in 1996. A dwarf and earliness mutant (SP3) was obtained by selection from the returned seeds next year. The mutant has showed dwarf and earliness in subsequent 4 years. Comparing the SP3 with the control, there are many differences as follows: (1) The maturing period of the SP3 was 15 days earlier and the height of SP3 plant was 40 cm shorter than the control. (2) The SP3 ear length inceased 3.9 cm and the kernel number per ear inceased 400. (3) The average 1000-grain weight of SP3 is 34 g and the control was 27 g. (4) The leaves of SP3 are shorter, narrower and thicker. So their leaf area deceased 43%~22%. (5) The length of ear axis for mutant increased 36% and the length of internode reduced 67%~15%. (6)The content of leucine in SP3 seeds increased 15%, soluble sugar of mutant increased 25%,its tannin decreased 30%.
Keywords:Space flight mutation  Sorghum bicolor(L  )Moench  Mutant  Short stem  Early maturing
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