专论与研究

不同海拔地区多年生稻稻米品质分析

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  • 1 云南大学农学院,昆明 650091;2 勐海县勐遮镇农业技术综合服务中心,云南 勐海 666205

网络出版日期: 2020-07-20

基金资助

云南省科技计划重大专项(2019ZG013);全国农业专业学位研究生教育指导委员会重点课题(2019-NYZD-25-5);云南省科技计划青年项目(2018FD006)

Quality Analysis of Perennial Rice in Different Altitude Regions

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Online published: 2020-07-20

摘要

利用长雄野生稻(Oryza Longistaminata)地下茎无性繁殖特性培育多年生稻已获成功。为明确多年生稻在不同海拔地区种植的稻米品质的差异,于2018年在海拔550 m(景洪)、955 m(孟连)和1 250 m(勐海)种植3个多年生稻品种(PR23、PR25和PR107),收获后进行稻米品质测定和分析。结果表明,PR23在景洪和孟连的整精米率符合国家标准优质稻谷1级和2级,在勐海的垩白度达到国家标准优质稻谷3级,在景洪、孟连和勐海的直链淀粉含量均符合国家标准优质稻谷1级;PR25在景洪和孟连的整精米率达到国家标准优质稻谷2级和1级,在勐海的垩白度达到国家标准优质稻谷3级,在景洪、孟连和勐海的直链淀粉含量均符合国家标准优质稻谷1级;PR107在景洪和孟连的整精米率符合国家标准优质稻谷2级和1级,在景洪、孟连和勐海的垩白度符合国家标准优质稻谷2级、2级和1级,在景洪、孟连和勐海的直链淀粉含量均符合国家标准优质稻谷1级。

本文引用格式

施继芳1,黄光福1,张玉娇1,李小波1,王春荣2,张石来1,张静1,胡凤益1* . 不同海拔地区多年生稻稻米品质分析[J]. 中国稻米, 2020 , 26(4) : 40 -43 . DOI: 10.3969/j.issn.1006-8082.2020.04.009

Abstract

Perennial rice which is breeding by the clonal propagation characteristic via rhizome of Oryza longistaminata has been successful. In order to clarify the differences in perennial rice quality at different altitudes, 3 perennial rice varieties PR23, PR25 and PR107 were applied at 3 different altitudes of 550 m (Jinghong), 955 m (Menglian) and 1 250 m (Menghai) in 2018. The results showed that the head rice rate of PR23 in Jinghong and Menglian reached the first and second grade of national standard for high quality rice, respectively. But it's chalkiness degree in Menghai reached the third grade of national standard for high quality rice, and the amylose content in Jinghong, Menglian and Menghai met the first grade of national standard for high quality rice. The head rice rate of PR25 in Jinghong and Menglian reached the second and first grade of national standard for high-quality rice, respectively. It's chalkiness degree in Menghai reached the third grade of national standard for high quality rice, respectively, the amylose content in Jinghong, Menglian and Menghai met the first grade of national standard for high quality rice. The head rice rate of PR107 in Jinghong and Menglian reached the second and first grade of national standard for high quality rice, respectively. It's chalkiness degree in Jinghong, Menglian and Menghai met the second, second and first grade of national standard for high quality rice, respectively, and the amylose content in Jinghong, Menglian and Menghai met the first grade of national standard for high quality rice.

参考文献

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