中国农业科技导报2017，Vol.19Issue(4)：17-23,7.DOI:10.13304/j.nykjdb.2016.501
NaCl胁迫对甘薯植株体内K+、Na+和Cl-含量及生长的影响
Effect of NaCl Stress on the Content of K+, Na+ and Cl-and the Growth of Sweet Potato Plants
摘要
Abstract
This paper investigated the contents of K+ 、Na+ and Cl-and growth status of sweet potato plant with different gene type under NaCl treatment,so as to discuss the effect of K+、Na+ and Cl content changes in different organs on plant growth and provide basis for identification of salt tolerant materials and studies on salt tolerant mechanism.Taking Shangshu19 as CK,T06 and T1 1 mutation by EMS as material,this experiment analyzed the K+ 、Na+ and Cl-contents changes in sweet potato root,stem and leaves under NaCl stress and their relation with sweet potato plant growth.The results showed that with the NaCl treatment time prolonging,the dry weight and the ratio of K+/Na+ of root,stem and leaf in all materials were decreased,while the content of Na+ 、K+ 、Cl-was gradually increased.But T06 and T11 kept the higher dry weight increasing rate and K+ content and K+ 、Na+ value,and lower Na+ and Cl-content than that of the CK.There were nagatively significant and extreme significant correlation between the content of Na+ and Cl-in plant,while the correlation with K+ content was significant positively.So the NaCl treatment could keep higher plant growth rate,lower Cl-and Na+ contents,higher K+/Na+ value.These indicators could provide reference for salt tolerance identification.关键词
甘薯/NaCl胁迫/离子含量/生长Key words
sweet potato/NaCl stress/ion content/growth分类
农业科技引用本文复制引用
周志林,唐君,曹清河,赵冬兰,张安..NaCl胁迫对甘薯植株体内K+、Na+和Cl-含量及生长的影响[J].中国农业科技导报,2017,19(4):17-23,7.基金项目
江苏省自然科学基金面上项目(BK20131125) （BK20131125）
国家甘薯产业技术体系专项(CARS-11-B-02) （CARS-11-B-02）
农业部农作物保护项目(2016NWB008)资助. （2016NWB008）
