关键词: 水稻, 盐碱地, 食味值, 品质

Abstract:

In order to provide a theoretical guidance for fine quality rice production in saline-alkali region, the author analyzed the relationship between eating quality and other quality characters of rice in saline-alkali land, using 65 rice cultivars as materials. The results indicated that these rice cultivars have good grain quality, but the quality characters of different varieties have differences.There was significant difference in eating value among cultivars, the range of eating value is 60.44~84.00, closing to very normal distribution. The eating value was very significantly and positively correlated with chalky rice rate and chalkiness degree, significantly or very significantly negatively correlated with milled rice rate, amylose content, protein content and length-width ratio of grain. Therefore, we should choose the cultivars with relatively low amylose content, protein content and length-width ratio of grain in the process of cultivars breeding, which can improve eating value of rice. However, the improvement of eating value would increase chalky rice rate and chalkiness degree.

Key words: rice, saline-alkali land, eating value, quality trait