百草枯与草甘膦对蕨类植物的控制作用  

Control Pteridophyta with Glyphosate and Paraquat

作　　者：陈燕芳[1] 丁伟[1] 张永强[1] 

机构地区：[1]西南大学植物保护学院,重庆400716

出　　处：《农药》2007年第5期355-356,358,共3页Agrochemicals

基　　金：重庆市科技攻关项目(20016599)

摘　　要：蕨类是一种具有特殊生理机能的植物,作为杂草很难治理。选用蕨类植物满江红作为指示植物,以测定灭生性除草剂百草枯和草甘膦对蕨类植物的控制效果。结果表明该植物对草甘膦和百草枯反应灵敏,其中草甘膦对其作用的最佳观察时间为3～7d,百草枯对其作用的最佳观察时间为1～2d。以红盖鳞毛蕨和绒紫萁为指示植物进行田间试验,结果表明百草枯和草甘膦对这些蕨类植物都可以起到很好的防除作用,但反应时间和表现症状有差异。Pteridophyta, with specific physiological enginery, is quite difficult to control. In the experiment, Azolla imbricate （Aoxb.） Nakai was chosen as the index plant in laboratory bioassay, which were used to assess the effect of glyphosate and paraquat. The results showed that the index plant was sensitive to paraquat and glyphosate. The appropriate observing time of the treatment of glyphosate was between 3 and 7 days; and the time of paraquat was between 1 and 2 days. The experiments in the fields suggested that both glyphosate and paraquat could prevent the growth of Pteridophyta, Dryopteris erythrosora （Eaton） O. Ktze. and Osmunda claytoniana L., effectively.

关 键 词：蕨类植物 满江红 草甘膦 百草枯 

分 类 号：S451[农业科学—植物保护]