【摘要】 通过对黑龙江省大量品种(系)的垩白品质研究结果分析,认为寒地稻米垩白性状与国优标准相比存在较大差距,垩白性状改良已经成为寒地稻米品质改良的主要问题。而且通过对垩白的遗传及与其它性状的相关性研究,从育种技术方面提出了垩白性状改良的几点措施。更多还原

【Abstract】 Based on several quality tests, this paper analysed the current situation of chalkiness characters of japonica rice in Heilongjiang Province. Furthermore, the correlation between chalkiness grain and grain shape character was studied. The way to solve the main problem was also put forward. Several good parents materials and new strains with low chalkiness character were screened.更多还原