Virulence Measure of Different Fungicides to Mung Bean Rotiform Disease in Laboratory

16 chemical fungicides and 5 biological fungicides were analyzed to select optimal fungi- cide.Three better fungicides were:sportack、carbendazim and score.Score was the best fungi- cides of inhibiting mycelium growth,the following were carbendazim and sportack.The variation analysis showed that the difference were very significant.5 biological fungicides almost no effect on ascochyta phaselorum .