Mikania micrantha prevention and control composition and application thereof

The invention provides a mikania micrantha prevention and control composition, which is prepared from bentazon and fomesafen, the mass of which accounts for 20%-30% of the total mass of the composition. The mass ratio of bentazon to fomesafen is (14-20):(6-10). The composition is also prepared from a cosolvent, the mass of which accounts for 3% to 5% of the total mass of the composition, and the cosolvent is prepared from alkylbenzene sulfonate, a dispersant and a thickener in a mass ratio of 1:1:2 to 1:1:4. The composition has remarkable effect on killing mikania micrantha, has little phytotoxicity to trees and shrubs, makes up for the defects of mikania micrantha prevention and control chemicals on the market, has higher ecological safety performance, and is applicable to forest land, cultivated land and other areas suffering from a higher degree of damage from the mikania micrantha. The invention also provides application of the mikania micrantha prevention and control composition. 本发明提供了种防治薇甘菊的组合物，包括苯达松和氟