山东农业科学2016，Vol.48Issue(6)：28-31,4.DOI:10.14083/j.issn.1001-4942.2016.06.007
不同生态区主要育成谷子品种苗期抗旱性鉴定
Evaluation on Drought Tolerance of Foxtail Millet Cultivars Developed from Different Ecological Regions
摘要
Abstract
Drought tolerance was investigated during seedling stage with repeated drought stress.Two hundred and one foxtail millet varieties were classified into 5 groups as extremely drought tolerance,drought tolerance,moderate drought tolerance,less drought tolerance and no drought tolerance based on seedling sur-vival rate.The 15 varieties had the extremely drought tolerance,which occupied 7.46%.The 48 varieties had drought tolerance,which occupied 23.88%.The 80 varieties had moderate drought tolerance,which occupied 39.80%.The 47 varieties had less drought tolerance,which occupied 23.38%.The 11 varieties had no drought tolerance,which occupied 5.47%.The average seedling survival rate of 201 varieties was 71.02% under drought stress with the variation range of 1.05% to 100.00%.The variation range of relative seedling height was from 23.92% to 95.00%.That of relative biomass range was between 11.37% and 83.10% with the variation coefficient of 50.98%.The seedling survival rate had extremely significant correlation with the relative seedling height and relative biomass and significant correlation with the relative fresh weight.关键词
抗旱性/反复干旱法/存活率/谷子/苗期Key words
Drought tolerance/Repeated drought method/Survival rate/Foxtail millet/Seedling stage分类
农业科技引用本文复制引用
秦岭,杨延兵,陈二影,张华文,王海莲,刘宾,陈桂玲,管延安..不同生态区主要育成谷子品种苗期抗旱性鉴定[J].山东农业科学,2016,48(6):28-31,4.基金项目
现代农业产业技术体系建设专项（CARS －07－12．5－A11）；山东省农业良种工程项目（2014LZ01－01－04）；山东省农业科学院青年科研基金项目 （）
