江西红米稻种资源主要农艺性状及营养特性分析与评价

对94个江西红米地方品种主要农艺性状及其中33个地方品种营养成分进行分析评价。结果表明，江西红米地方品种具有结实率较高（大于65．0％的品种占84．0％）、千粒重中等（20—30g的品种占93．6％）、易倒伏、抗稻瘟病能力较弱、属保持系类型等特点。脂肪含量较高，有26个品种脂肪含量大于3．0％，其中柳水红脂肪含量4．62％。筛选出多个钙、硒、维生素B1和B2含量较高的材料，其中红米麻壳钙含量81．6mg／kg，红金米硒含量0．09mg／kg，明显高于一般水稻品种。糯子红等6个品种维生素B1含量均大于2．0mg／kg，其中早红维生素B1含量高达17．0mg／kg；红米麻壳等10个品种维生素B2含量均大于0．1mg／kg，其中油红子维生素B2含量达0．6mg／kg。这些优异地方红米种质资源的发掘，可为种质资源的创新与利用提供优异种质。

Analysis and Evaluation of Agronomic Traits and Nutritious Elements of Red Rice Germplasm Resources in Jiangxi Province

The major agronomic traits of 94 accessions of red rice landraces and nutritious elements of 33 accessions in Jiangxi were analyzed and evaluated.The results showed a high seed setting rate for all entries with other characteristics of lodging,weak resistance to rice blast,medium 1000-grain weight and type of maintainer line.Nutritious elements were generally at a high level and 26 varieties had higher content of lipid(more than 3.0%) with that of Liushuihong up to 4.62%.Some varieties with high content of Ca,Se,vitamin B1and B2 were selected including Hongmimake(81.6mg/kg Ca) and Hongjingmi(0.09mg/kg Se).Six varieties with vitamin B1 more than 2.0mg/kg were screened with the highest of 17.0mg/kg for Zaohong.Ten varieties contained vitamin B2 more than 0.1mg/kg with 0.6mg/kg in Youhongzi.Studies on the red rice provide valuable information to the utilization of germplasm resources and will contribute to rice breeding programs.