
Analysis and Evaluation of Quality Characters of Soft Rice in Shanghai
#Co-first author
Received date: 2020-11-17
Online published: 2021-03-20
Through principle component analysis and correlation analysis, the quality characters of eight soft rice varieties popularized in Shanghai in recent years were tested and analyzed. The results showed that none of the eight soft rice varieties reaching the standards of fine quality rice issued by the Ministry of Agriculture and Rural Affairs of China, mainly because the three indicators of the improper transparency, gel consistency and amylose content failed to meet the high-quality rice standards. There were complicated correlations between grain quality traits. There was a very significant negative correlation between the head rice rate and grain length. There was significant negative correlation between brown rice rate and alkali spreading value, gel consistency and protein content. It was found that the cumulative contribution rate of the first three principal components reached 82.795%, and the whole rice rate, brown rice rate, chalkiness degree, gel consistency and alkali spreading value were the most representative quality indicators by principal component analysis.
Key words: soft rice; quality; correlation analysis; principle component analysis
Maobai LI, Cui WANG, Yulong GU, Gang LI, Donglan WANG, Feiyu YU . Analysis and Evaluation of Quality Characters of Soft Rice in Shanghai[J]. China Rice, 2021 , 27(2) : 77 -79 . DOI: 10.3969/j.issn.1006-8082.2021.02.016
| [1] | 中华人民共和国农业部. NY/T593-2013食用稻品种品质[S]. 北京:中国标准出版社,2013. |
| [2] | 唐永红,张嵩,高如嵩,等. 水稻结实期米质动态变化研究[J]. 中国水稻科学,1997,11(1):8-32. |
| [3] | 罗玉坤,施一平,闵捷,等. 中国食用优质米品质的分析研究[J]. 浙江农业学报,1991(2):55-60. |
| [4] | 朱大伟,张洪程,郭保卫,等. 中国软米的发展及展望[J].扬州大学学报(农业与生命科学版),2015,36(1):47-52. |
| [5] | 徐绍忠,毛孝强,陈升位,等. 云南软米育成品种品质分析与鉴定[J]. 山东农业大学学报(自然科学版),2002,33(3):380-383. |
| [6] | 李铮友. 滇型软米杂交籼稻的选育进展[J]. 杂交水稻,2001,16(5):16. |
| [7] | 张建军,李天朱,文东. 日本粳稻品种品质性状的相关分析[J]. 四川农业大学学报,2004,22(3):209-212. |
| [8] | 牛付安,程灿,周继华,等. 上海市粳稻品种品质性状的主成分分析和聚类分析[J]. 上海农业学报,2014,30(1):26-30. |
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