对空间技术诱发产生的 9个水稻早熟突变系分析表明 :与原亲本相比 ,突变系的外观品质变化明显 ;表观直链淀粉含量 (AAC)出现高、中、低 3种变异 ;多数突变系的淀粉粘滞特性和碱消值比原亲本差 ,少数相似 ;胶稠度与原亲本相仿或明显改良 ;除突变系SP5 0 1外 ,农艺性状变差 ,但千粒重增加明显。 The analysis of nine rice early-maturing mutants induced by space technology showed that the appearance quality of mutants was significantly changed compared with the original parent; the A, A, Compared with the original parent, the starch viscosity and base digestibility of the strain were similar, but similar to those of the original parent. The gel consistency was similar or significantly improved with the original parent. Agronomic traits were worse except for the mutant line SP5 0 1, but the 1000-grain weight increased obviously.