黑麦草与紫云英间作体系根际修复丁草胺的影响  

作　　者：徐鹏[1] 

机构地区：[1]辽宁省环境保护宣传教育中心,辽宁沈阳110161

出　　处：《环境保护与循环经济》2013年第3期62-64,71,共4页environmental protection and circular economy

摘　　要：随着经济的快速发展和工业化进程的加快,我国局部地区农田土壤除草剂污染日趋严重。研究了黑麦草与紫云英耐受丁草胺的毒害作用,结果显示,紫云英种子比黑麦草种子更耐受丁草胺的毒害作用。耐性试验表明,丁草胺浓度在5mg/L(除30mg/L)之后,黑麦草根长不再发生明显变化,而黑麦草苗高在丁草胺浓度15mg/L之后不再发生变化;紫云英根长、苗高都是在丁草胺浓度为15mg/L之后,不再发生明显变化。The problem of herbicide-contaminated farmland soil is becoming increasingly China with the rapid development of economy and the acceleration of industrialization tolerant of ryegrass （Lolium perenne L. ）and serious in some areas of process. The butachlor The main results are as follows：Astragalus seed is more tolerated toxicity of butachlor than ryegrass seed. The tolerance test showed that the ryegrass root length can not change, when concentration of butachlor is higher than 5 mg/L except 30 mg/L, the height of the ryegrass seedling can not change when concentration of butachlor is higher than 15 mg/L. But astragalus root length and seedling height can not change, when concentration of butachlor is higher than 15mg/L.

关 键 词：紫云英 黑麦草 丁草胺 毒害作用 

分 类 号：X173[环境科学与工程—环境科学]