核农学报2011，Vol.25Issue(1)：1-5,5.
不同航天器搭载对籼稻诱变效果的比较
MUTAGENIC EFFECT COMPARISON OF DIFFERENT SPACECRAFTS ON ABOARDED Indica RICE SEEDS
摘要
Abstract
10 kinds of indica rice seeds were carried by three spacecrafts ,i.e.Shenzhou No.4 manned spacecraft, recoverable satellite, and Shijian No.8 satellite for plant breeding, and the characters of SP1 ～ SP3 generations were studied.The results showed that the germination rate and seedling rate of SP1 generation by Shijian No.8 satellite were lower than those by recoverable satellites, and those by Shenzhou No.4 manned spacecraft was the lowest.The variation of growth duration, plant height and other traits were found in SP2 generation, and Shijian No.8 satellite had the widest and the highest variation frequency: the variation frequency of 5 varieties ranged from 0.24％ ～ 7.23％, and the average was 3.38％.The variation frequency of varieties carried by recoverable satellites ranged from 1.06％ ～ 1.37％, and the average was 1.24％.The variation frequency of Zhongzao 22 carried by Shenzhou No.4 manned spacecraft was 2.79％ in SP2 generation.It was found that 17.65％ ～ 30.0％ of maturity variations and 12.5％ ～ 30.0％ of plant height variations were not inheritable in SP3 generation, and 6.75％ ～23.53％ of maturity and 14.28％ ～ 18.75％ of plant height variations were segregated.关键词
水稻/航天诱变/变异频率/载人飞船/返回式卫星/育种卫星Key words
rice/ space mutation/ variation frequency/ manned spacecraft/ recoverable satellite/ satellite for plant breeding引用本文复制引用
马良勇,季芝娟,曾宇翔,杨长登,李西明..不同航天器搭载对籼稻诱变效果的比较[J].核农学报,2011,25(1):1-5,5.基金项目
"十一五"国家科技支撑计划重点项目(2008BAD97B02),国家高技术研究发展计划(863计划,2007AA100101),浙江省"0406"工程 （2008BAD97B02）
