In order to select effective fungicides for controlling Uromyces glycyrrhizae Magn.,the paper was used four kinds of fungicides and different concentration of each fungicide to control U.glycyrrhizae Magn.by using fungicides one time and two time after first application 7 days.The results showed that the efficacy of difenoconazole 10%WG was high in 7 days after first application,the efficacy were all above 60%with the concentration of 180 and 90 g a.i./ha,which indicated difenoconazole 10%WG took effect fas...