Compounded bactericide containing metalaxyl and carbendazim and used for controlling main diseases of vegetables and grape

A compounded bactericide containing metalaxyl and carbendazim and used for controlling main diseases of vegetables and grape is composed of an active component and an assistant, the active component comprises metalaxyl and carbendazim, and a weight ratio of metalaxyl to carbendazim is 1-20:1-20. The compounded bactericide is mainly used for controlling soil borne diseases including Phytophthora capsici Leonian and capsicum wilt, and above ground part diseases including grape downy mildew, grape white rot, cucumber downy mildew, cucumber anthracnose, tomato late blight and tomato gray mold. The compounded bactericide has the advantages of wide control spectrum, quick action, good lasting effect, effective delaying of the generation and development of the drug resistance of pathogens. A preparation method of the above compounded preparation has the advantages of simplicity, low cost, high safety and substantial economic benefit.