狗牙根应对不同浓度铜废渣地土壤适应性研究  

Adaptability Test of Cynodon dactylon to Copper Waste Residue with Different Concentrations

作　　者：罗洋 孙健哲 刘艳 梁剑 LUO Yang;UN Jian-zhe;Liu Yan;LIANG Jian(College of Resources and Environment,Aba Normal University,ABA 623002,China;College of Horticulture,South China Agricultural University,Guangzhou 510642,China)

机构地区：[1]阿坝师范学院资源与环境学院,四川阿坝623002 [2]华南农业大学园艺学院,广东广州510642

出　　处：《四川林勘设计》2022年第3期6-11,共6页Sichuan Forestry Exploration and Design

基　　金：校级重点科研项目“草本植物用于废渣地生态恢复研究”(ASA19-14);攀枝花学院(纵向课题)“野生花卉用于金沙江干热河谷生态修复”(CR-2020-C-03);阿坝师范学院学生科研项目(201910055,201910096,201910097);省级创新训练项目“草本植物用于重金属废渣地的修复”(S202010646013);国家级创新训练项目(202010646013)。

摘　　要：为研究重金属污染废弃地的自然植被恢复和复垦措施,选用狗牙根作为研究对象,设计模拟栽培实验,从尾矿地采取铜废渣土,模拟铜污染土壤的环境进行种植。结果表明,狗牙根可溶性蛋白、可溶性糖、丙二醛和几种活性氧清除系统酶活性随不同处理发生变化,狗牙根为了适应铜废渣地的环境生存,自身产生了一定的适应性生理改变,可让狗牙根在铜废渣地的恶劣环境中完成其生活周期。In order to explore the vegetation restoration and reclamation measures in wasteland polluted by heavy metals,Cynodon dactylon was selected as the research object,and a simulated cultivation experiment was designed.The results showed that the activities of soluble protein,soluble sugar,malondialdehyde and several reactive oxygen species scavenging system enzymes of Cynodon dactylon changed with different treatments.In order to survive in the environment of copper wasteland,Cynodon dactylon produced certain adaptive physiological changes,which allowed Cynodon dactylon to complete its life cycle in the harsh environment of copper wasteland.

关 键 词：狗牙根 铜废渣地 耐性机制 

分 类 号：S714[农业科学—林学]