摘要
辽粳系列水稻品种具有产量高、稳产性好、米质优良、抗病性强等优点,本文选用已审定并在生产上应用面积较大、有代表性的18个辽粳系列水稻新品种,对其米质理化9项指标进行分析,系统地评价辽粳系列水稻品种米质现状。结果表明,在辽粳系列品种中,品质性状能够达到国家1级优质米标准的品种占总数的27.7%,达到2级优质米的品种占总数的22.2%,达到国家3级优质米的品种占总数的11.1%,未能达到国家优质米标准的占38.8%,垩白度和垩白率为影响目前辽粳系列品种米质的主要因子。
The serial rice varieties of Liaojing have the good traits of high yield, good quality, disease resistance et al. This article selects 18 representative varieties of Liaojing rice varieties applied widely and analyzes their nine physical and chemical quality traits in order to evaluate systemically the status of Liaojing rice varieties, quality and to provide a reference for future rice breeding. The results shows that quality traits of 27.7% varieties reach the first degree of the national good quality standard, 22.2% reach the second degree, 11.1% reach the third degree and 38.8% below the national standard. Chalkiness is the most inconstant factor and the main reason affecting Liaojing rice varieties, quality.
出处
《垦殖与稻作》
2006年第2期15-17,共3页
Reclaiming and Rice Cultivation
