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《农业科学与技术(英文版)》 2010-07
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Quality Research on the Purple Leaf Mutant of Rice——PLM

GAO Xiao-ling Sichuan College of Education,Chengdu 611130  
[Objective] The aim was to carry out the quality research on a purple leaf mutant (PLM) of rice and provide the basis for applied research of purple rice.[Method] A newly discovered purple mutant of rice and its hybrid filial generations (F1 and F2) were employed as the experimental materials to determine its characteristic indexes,such as grain type,chalky grain rate,chalkiness,1 000-grain weight,brown rice percentage,protein content,amylose content,gelatinization temperature and consistency.[Result] The grain type and brown rice percentage of the parent (pro-Z) both reached standard of Ⅰ Grade,while chalky grain rate,chalkiness,amylose content and consistency did not meet the requirements of the standard.The F2 generation displayed some optimized properties,including larger grain,lower amylose content,reduced chalkiness,lower chalky grain rate and softened consistency.[Conclusion] The majority of the characteristic indexes of pro-Z did not meet the requirements of standard,but the qualities of F2 generation were all optimized to some extent.
【CateGory Index】: S511
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