海南山栏稻稻米品质分析及优异资源筛选

海南山栏稻是一类地方特有旱稻,是海南中部山区少数民族赖以生存的粮食作物,已深深植根于黎苗文化之中。本研究检测了17个海南山栏稻品种的稻米品质,并对品质性状进行了差异性和相关性分析,对供测品种进行了聚类分析。结果表明,大部分山栏稻米的糊化温度较低,属于中、软胶稠度和低直链淀粉含量稻米,蒸煮和食味品质较好。17个海南山栏稻品种被初步分成2类,其中2个品种被鉴定为优质糯米,而且发现了独特的黑尾山栏稻,其稻米加工品质、外观品质和食味品质较好。本研究为海南山栏稻品种改良和育种利用提供了参考。

Quality Analysis and Resource Screening of Shanlan Upland Rice in Hainan

As a class of endemic upland rice and the favorable food crop of Li and Miao minority people, the upland rice in Hainan was important with economic, social and ecological values. Rice quality traits of 17 Shanlan rice varieties were detected, and difference analysis and correlation analysis and cluster analysis were carried out. The results showed that gelatinization temperature and amylose content of most Shanlan rice varieties were low, which belong to medium gel consistency.The quality of cooking and taste were good. 17 Shanlan rice varieties were divided into 2 categories initially, thereinto 2 varieties were identified as high-quality glutinous rice. Preferable rice quality was found in one unique variety of black grain husk. The results provided reference for variety improvement and breeding utilization of Shanlan upland rice.