摘要
从西藏各地征集的300余份食用栽培春青稞种质资源,从形态特征、农艺性状、抗锈性和籽粒粗蛋白、β-葡聚糖含量、维生素E等特征特性鉴定、评价。分析结果认为:(1)西藏春青稞多样性极为丰富,如芒、稃和籽粒颜色,具有变异最为丰富,多样性最高的特点;(2)具有早熟、大穗、多粒、棱型多,以及抗锈性强等和耐各种不良环境因素的优良遗传性状;(3)具有密穗、稀穗、裸粒、钩芒、矮生、抗锈等可利用基因潜力巨大等特色;(4)籽粒粗蛋白、β-葡聚糖、维生素E等成份因各地区环境条件不同差异较大。笔者主要对西藏春青稞种质资源中优异种质进行评述,筛选出一批具有一种或一种以上的优良性状的遗传资源,并提供可利用的优良种质,为青稞育种及基因资源的研究提供依据。
300 pieces of idioplasm resources of the Tibetan edible cultivation spring naked barley is identified for characteristic of shape, agronomic characters, rust-resisting property and grain thick protein, β-grape polymerization sugar and Vitamin E and so on from the Tibetan different region, which are analysed result in, for one thing, multiplicity of Tibetan spring naked barley is quite rich for the variation of the awn, leaves and the grain color, and multiple property are highest; secondly, it has some fine hereditary characters of early maturation, big spike, many grains, many arrises and the strong anti-rust quality; thirdly, genetic potential which is used possibly is enormous for characteristic of dense spike, exiguous spike, naked grain , the hook awn, short stem, the anti-rust and so on ; fourthly, thick protein, β-grape polymerization sugar and Vitamin E of grains are rather difference to environmental condition of the various areas. Many kinds of genetic resources of fine characteristic are filtered by studying, and provides fine idioplasm which can be used for breeding and studying genetic resources.
出处
《中国农学通报》
CSCD
2008年第7期55-59,共5页
Chinese Agricultural Science Bulletin
基金
国家自然科学基金项目"西藏大麦主要营养和功能成分的遗传与环境效应研究"(30660080)
教育部科学技术研究重点项目(207113)
关键词
大麦
种质资源
鉴定评价
Barley, Idioplasm resource, Appraise
