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3 辽单575在不同秸秆处理还田模式下对玉米主要病害发生为害的影响

Table 3 Effect of different straw treatment on main diseases of maize Liaodan 575

秸秆还田模式 Straw returning mode 茎腐病发病率 Incidence rate of stalk rot (%) 大斑病Leaf blight of maize 平均病级 Average disease grade 病情指数 Disease index HSR+NT 9.52 5.55 61.62 SCR+NT 13.13 5.39 59.91 0.5SCR+NT 8.24 4.99 54.12 SHMR+NT 11.11 4.85 53.91 SDPR+FP 6.25 4.76 52.93 CK+NT 7.78 4.76 52.87