水稻空间诱变SP_2代品质性状变异分析  

Variation Analysis on Grain Quality of SP_2 Generation by Space Mutation in Oryza sativa

作　　者：郭涛[1] 蔡金洋[1] 王慧[1] 刘永柱[1] 张建国[1] 陈志强[1] 

机构地区：[1]华南农业大学植物航天育种研究中心,广东广州510642

出　　处：《华南农业大学学报》2007年第1期6-9,共4页Journal of South China Agricultural University

基　　金：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)

摘　　要：对籼稻品种“籼小占”、“胜巴丝苗”经空间诱变后的SP2代单株进行了品质测定.分析结果表明,空间诱变可以有效地创造品质性状变异,特别是降低直链淀粉含量,提高胶稠度级别,但对碱消值并未显著影响.还对空间诱变水稻品质性状变异与育种关系进行了讨论.The grain quality of SP2 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.

关 键 词：水稻 空间诱变 品质变异 

分 类 号：S511[农业科学—作物学]