在四川省平昌县小麦种植区,每年都有不同区域、不同程度的小麦锈病发生,条锈最多,叶锈次之,秆锈最少。在小麦锈病大流行的年份,一般会造成全县30%的面积绝收,严重的乡镇绝收面积甚至在80%以上。1锈病发生的特点1.1条锈居多,叶锈次之,秆锈最少平昌县小麦锈病以条锈最为常见,在锈病流行的年份,叶锈也发生较多,一般在小麦生长中后期流行,由 In the wheat growing area of ​​Pingchang County, Sichuan Province, there are different regions every year. Wheat rust occurs in different degrees with the strongest rust, the second leaf rust and the least stalk rust. In the year of wheat rust pandemic, it will generally cause 30% of the county’s total area to be taken over, and the serious area of ​​townships and towns will even be above 80%. 1 The characteristics of the occurrence of rust 1.1 Stripe rust majority, followed by leaf rust, straw rust least Wheat stripe rust is the most common in Pingchang County, rust rust epidemic in the year, leaf rust also occurs more generally in the late wheat growth popular, by