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Effects of herbicides on invasive Spartina alterniflora in the Yellow River Delta
Authors
乔沛阳
张希涛
+5 more
梅宝玲
王丽
王安东
谢宝华
韩广轩
Publication date
1 January 2019
Publisher
Abstract
互花米草(Spartina alterniflora)作为我国危害最严重的外来入侵植物之一,严重威胁滨海湿地生态系统安全。筛选可高效灭除互花米草的除草剂,为互花米草防治提供技术支持。2017年7月在黄河三角洲潮间带对互花米草茎叶喷施不同除草剂,在施药当年和次年对互花米草生长状况和大型底栖动物密度进行跟踪调查。研究结果表明:1)高效氟吡甲禾灵对互花米草的灭除效果最好,既能杀死互花米草地上部分从而完全抑制有性繁殖,又可完全抑制次年的无性繁殖;2)氰氟草酯对互花米草的灭除效果也比较好,可以完全抑制互花米草的生长和结穗,但抑制根状茎无性繁殖能力的效果稍差,草甘膦可以完全抑制互花米草的有性繁殖,但无法抑制次年互花米草的无性繁殖;3)施用除草剂在短期内会毒害某些底栖动物,但在1年后底栖动物种群数量与对照处理无显著差异。除草剂对环境的影响程度与除草剂用量和施用时间息息相关,未来研究中,应在保证灭草效果的前提下,探索最佳用药时间和最低用量以最大限度地降低环境影响。</p
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Institutional Repository of Yantai Institute of Coastal Zone Research, CAS
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oai:ir.yic.ac.cn:133337/24123
Last time updated on 11/01/2020
Institutional Repository of Yantai Institute of Coastal Zone Research, CAS
See this paper in CORE
Go to the repository landing page
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oai:ir.yic.ac.cn:133337/26601
Last time updated on 24/06/2021