几种冷地型草坪草耐寒抗逆生理指标分析  

Analysis on cold-stress resistance physiological indexes of several cool-season turfgrass

作　　者：熊运海[1] 陈亚华[1] 

机构地区：[1]重庆文理学院生命科学与技术学院,重庆永川402168

出　　处：《重庆文理学院学报（自然科学版）》2009年第6期45-47,51,共4页Journal of Chongqing University of Arts and Sciences

基　　金：重庆文理学院科研项目(Y2006SK81)

摘　　要：在自然低温胁迫下（2～8℃），对引进的绿宝石、公园、百思特、优美、交战Ⅱ、贝克6个冷地型草坪草品种进行了抗逆生理指标观测，分析了其抗逆性差异．试验结果表明，在引种供试的6个冷地型草坪草品种中，百思特品种的叶绿素含量最高，为1．32mg／g；叶片相对含水量以优美品种最高，为84．16％；绿宝石的脯氨酸含量最高，为6．01mg／g；百思特品种的相对电导率最低，为31．23％；抗逆隶属值以百思特品种最大，为0．89．各草坪草种抗逆性强弱依次为百思特〉优美〉交战Ⅱ〉公园〉贝克〉绿宝石．Several physiological indexes of six cool - season turfgrasses that Sonoran, Park, Barrister, Euromyth, Crossfire Ⅱ and Plxie under low temperature stress （2 -8℃ ） were measured, and the anti- inverse differences were analyzed. The results showed that the highest chlorophyll content of leaf is Barrister variety and is 1.32 mg/g; the highest relative water content of leaf is Euromyth variety and is 84.16% ; the highest protine content of leaf is the Sonoran variety and is 6.01 mg/g; the lowest relative conductivity of leaf is the Barrister variety and is 31.23% ; the highest resistance comprehensive evaluation is Barrister variety and is 0.89 in the six cool - season turfgrass varieties of introduction for the trial. The strength of turfgrass resistance followed by Bester 〉 Euromyth 〉 Crossfire Ⅱ 〉 Park 〉 Pixie 〉 Sonoran.

关 键 词：冷地型草坪草 生理指标 低温胁迫 引种试验 

分 类 号：S688[农业科学—观赏园艺]