不同秸秆还田模式对玉米主要病害发生为害的影响

董怀玉, 董智, 刘可杰, 王丽娟, 刘培斌, 侯志研

Effects of Different Maize Straw Returning Modeson Occurrence of Main Diseases of Maize

Dong Huaiyu, Dong Zhi, Liu Kejie, Wang Lijuan, Liu Peibin, Hou Zhiyan

表4 双乐68在不同秸秆还田模式下对玉米茎腐病、穗腐病发生为害的影响

Table 4 Effects of different straw returning modes on the occurrence of stalk rot and ear rot of maize Shuangle 68

秸秆还田模式 Straw returning mode 茎腐病发病率 Incidence rate of stalk rot (%) 穗腐病Ear of maize 平均病级Average disease grade 病情指数Disease index 发病率Incidence rate (%) SCR+NT 51.67 2.33 25.93 40.00 SDPR+FP 40.00 2.27 25.25 36.67 SDDPR（W）+FP 41.00 2.43 26.98 43.33 SDDPR（Hs）+FP 29.00 2.40 26.67 33.33 SDDPR（Cy）+FP 18.67 1.77 19.66 23.33 CK+DPFP 25.67 2.67 29.63 20.00 CK+FP 32.00 3.60 40.00 33.33