The invention provides a synergistic bactericide composition, and a preparation method and application thereof The effective medicinal components of the composition consist of polyoxins and glucan glycal, wherein the weight ratio of the polyoxins to the glucan glycal is (5-10):(01-5); the synergistic bactericide composition is prepared by a mixing mode and can be applied to preparation of pesticide for preventing and treating alternaria leaf spot; and the polyoxins and the glucan glycal in the composition are compounded according to the specific proportion and are synergistic, so the effect of preventing and treating alternaria leaf spot of apple trees and the like is remarkable

Yan Zemin

Papers

Bactericide composition, and preparation method and application thereof