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《Journal of South China Agricultural University》 2007-01
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Variation Analysis on Grain Quality of SP_2 Generation by Space Mutation in Oryza sativa

GUO Tao~1,CAI Jin-yang~(1,2),WANG Hui~1,LIU Yong-zhu~1,ZHANG Jian-guo~1,Chen Zhi-qiang~1 (1 Plant Space Breeding Research Center,South China Agric.Univ.,Guangzhou 510642,China;2 Jiaxing Academy of Agriculture Science of Zhejiang Province,Jiaxing 314016,China)  
The grain quality of SP_2 generation of two indica rice variety "Xianxiaozhan" and "Shengbasimiao" was studied.The results showed that the space mutation could improve the grain quality,especially,reduce amylose content and increase gelconsistency.But alkali spreading value was not obviously effected by space mutation.The relation of grain quality variation by space mutation and rice breeding was discussed.
【Fund】: 国家863计划项目(2001AA241012和2002AA241011);; 广东省科技计划项目(2001A2010301和2004A20107001);; 广东省自然科学基金重点项目(010353)
【CateGory Index】: S511
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