小麦锈病根据其侵染、发病部位的差异分为条锈、秆锈和叶锈。四川、重庆地区以小麦条锈病为主。早春3～4月温度适合条锈病的发生,当早春气温偏高时,叶锈和秆锈也有可能严重发生。小麦锈病一旦发生后,直接影响小麦的光合作用,病菌与小麦争夺养分,还能 Wheat rust according to its infection, the incidence of site differences into stripes, stem rust and leaf rust. Sichuan and Chongqing are dominated by wheat stripe rust. Early spring 3 ~ April temperature suitable for the occurrence of stripe rust, early spring temperature is high, leaf rust and stalk rust may also be serious. Wheat rust in the event of a direct impact on photosynthesis of wheat, bacteria and wheat compete for nutrients, but also