Fecha de publicación: -- Fuente: WIPO "tomato" The present invention relates to an asymmetric aromatic diselenide compound and the use thereof in the preparation of pesticides, particularly to the use thereof in the preparation of anti-plant virus agents and fungicides. The asymmetric aromatic diselenide compound of the present invention exhibits a good efficiency on tobacco mosaic virus (TMV) at a concentration of 500 mg/L, achieving an in-vivo inactivation efficiency of 71.6%, an in-vivo protective efficiency of 58.3%, and an in-vivo therapeutic efficiency of 60.1%. The asymmetric aromatic diselenide compound of the present invention exhibits good control effects on tomato early blight, wheat Fusarium head blight, rice blast, pepper Phytophthora blight, rapeseed Sclerotinia rot, cucumber gray mold, rice sheath blight, cucumber wilt, peanut brown spot, apple ring rot, wheat sharp eyespot, southern corn leaf blight, watermelon anthracnose, and rice bakanae disease at a concentration of 50 mg/L, and has a fungicidal activity of up to 92.3%.