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大理州位于北纬24°40′～26°47′之间,冬暖夏凉,雨量充沛,是小麦高产区,也是小麦条锈病越夏常发区。六十年代以来,小麦条锈病已出现1963,1973,1979,1980,1981年五次大的流行年,造成小麦严重减产。特别是1979年以来小麦条锈病持续流行,危害面积逐年扩大,危害程度日趋严重。据调查,1979年发病面积为23.33万亩,占全州小麦播种面积的23％,其中以部分栽培水平较高的生产队受害重,损失大。如州农科所大理凤仪乐和基点,四个生产队545亩小麦全部发病,平均单产仅738.11斤,较1978年平均单产904.86斤每亩减产166.75斤,减产18.43％。1980年全州发病面积扩大到75万亩,占种植面积的76％,严重发病的有40万亩,导致部分县
Dali Prefecture is located between latitude 24 ° 40 ’~ 26 ° 47’, with warm winter, cool summer and abundant rainfall. It is a high-yielding area for wheat and the area where wheat stripe rust occurs in summer. Since the 1960s, wheat stripe rust has appeared in five major epidemic years of 1963, 1973, 1979, 1980 and 1981, causing a serious yield reduction of wheat. Especially since 1979 wheat stripe rust continues to prevail, the area of harm has been expanding year by year, and the degree of harm is becoming more and more serious. According to the survey, the disease area in 1979 was 233,300 mu, accounting for 23% of the state’s wheat acreage, of which the production team with the higher level of partial cultivation suffered heavy losses and suffered heavy losses. For example, the Fongyi Music and Dian Dian of Dali Agricultural Institute, 544 mu of wheat in all four production teams were affected, with an average yield of only 738.11 kg, down 166.75 kg and 18.43% from the average yield of 904.86 kg per mu in 1978. In 1980, the statewide disease coverage expanded to 75 million mu, accounting for 76% of the acreage and 40 million mu of serious disease, causing some counties