摘要
以14个玉米自交系为材料,用不同浓度NaCl溶液模拟盐胁迫环境对其芽苗期耐盐性进行了鉴定。结果表明:玉米对盐胁迫非常敏感,不同盐浓度均对玉米芽苗期的发芽率、胚根长度、叶片相对含水量及净光合速率产生抑制作用;不同材料间耐盐性存在明显差异,各指标均能反映出不同材料的耐盐性;通过鉴定筛选,14个材料中,耐盐性极强的为XS98-28,耐盐性较强的为XSK5,耐盐性中等的为XSF,XS01-61,其余材料耐盐性均较弱。
Maize inbreeds of 14 varieties were treated with NaCl solutions of different concentration and their salinity tolerance during seedling emergence stage were analyzed. The results were as the follows: maize inbreeds were sensitive to salt stress ; different salinity stress had inhibition effects on the germination rate, shoot length, relative water content and net photosynthetic rate;different inbreed had obvious difference in salinity tolerance;the best one was XS98-28;the next was XSK5 ;the middle were in turn XSF, XS01-61 ;the lower were other inbreeds.
出处
《华北农学报》
CSCD
北大核心
2007年第5期27-30,共4页
Acta Agriculturae Boreali-Sinica
基金
新疆自治区高技术研究与发展计划项目(200411101)
关键词
玉米
芽苗期
耐盐性
鉴定
筛选
Maize
Seedling emergence stage
Salinity tolerance
identification
Screening