Carbendazim is a benzimidazole fungicide, which was originally an intermediate of the fungicide be nomyl. blight, rice blast, beet brown spot, etc. Carbendazim can be absorbed by plants and transferred to other parts through conduction, interfering with the mitosis of pathogen cells and inhibiting their growth. It has a wide bactericidal spectrum, usually processed into powder, wettable powder and suspension agent, used as seed treatment or foliar spray, used to control grain, cotton, oil, fruit and vegetables.