Under the low concentrations (0.1,0.5,1mg/g) of Chlorothalonil, Carbendazim and the mixture of Carbendazim-Chlorothalonil the activation were not clear, while the activation rate still less than 20% under the concentration of 10mg/g and 50mg/g.

• 百菌清、多菌灵、百菌清-多菌灵混剂在低浓度（0.；1，0