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[Objective] The paper was to understand distribution and damage of alien weed Mikania micranthain in Huiyang District of China. [Method] The coverage,nearby water sources,surrounding plants and control status of M. micranthain under different habitats in Huiyang District were surveyed. [Result] M.micrantha grew violently in the habitats of irrigation ditches,orchard,field edge and wasteland with the coverage ranging from 10% to 90%. It grew more seriously around water sources and was very likely to recur after control. The wild growth of M. micranthain was harmful to local agriculture,forestry and fishery. The comprehensive control measures combing artificial control,chemical control,biological control and ecological control should be adopted in different habitats. [Conclusion] The study provided basis for comprehensive control and invasion risk assessment of M. micranthain.
[Objective] The paper was to understand distribution and damage of alien weed Mikania micranthain in Huiyang District of China. [Method] The coverage, nearby water sources, surrounding plants and control status of M. micranthain under different habitats in huiyang District were surveyed. [Result] M.micrantha grew violently in the habitats of irrigation ditches, orchard, field edge and wasteland with the coverage ranging from 10% to 90%. It grew more seriously around water sources and was very likely to recur after control. The wild growth of M. micranthain was harmful to local agriculture, forestry and fishery. The comprehensive control measures combing artificial control, chemical control, biological control and ecological control should be adopted in different habitats. [Conclusion] The study provided basis for comprehensive control and invasion risk assessment of M. micranthain.