The invention discloses a bactericidal composition containing cupric nonyl
phenolsulfonate and a methoxy-
acrylate bactericide. The methoxy-
acrylate bactericide is selected from
azoxystrobin, kresoxim-methyl, metominostrobin, fluoxastrobin, trifloxystrobin,
orysastrobin, picoxystrobin, pyraclostrobin, enostrobilurin, SYP-1620, phenylatestrobin,
coumoxystrobin,
pyraoxystrobin and pyraclostrobin, wherein the weight ratio of the cupric nonyl
phenolsulfonate to the methoxy-
acrylate bactericide is 1:5-20:1. The bactericidal composition can be prepared into missible oil,
microemulsion, water-dispersible granules,
wettable powder and a suspending agent which are permitted in the
agriculture. The bactericidal composition containing the cupric nonyl
phenolsulfonate and the methoxy-acrylate bactericide is reasonable in ingredients, good in
bactericidal effect and low in
drug cost, and the activity and the
bactericidal effect are not formed by the activities of the ingredient simply. Compared with an existing single preparation, the bactericidal composition has remarkable synergistic effect except the remarkable
bactericidal effect, is free of
pollution to crops and good in safety, meets the safety requirements of
pesticide preparations, and has remarkable preventive and
control effect on
powdery mildew,
downy mildew, anthracnose and banded sclerotial
blight of the crops.