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徽县位于西秦岭南麓,嘉陵江上游徽成盆地,海拔700—2300米,年平均气温12.1℃,年降水量740mm左右,无霜期180—220天,全年日照时数1700小时,平均日照率40％。七十年代以来,全县小麦种植面积历年都在26万亩以上,平均亩产250—340斤,七五年亩产最高达435斤,常年总产量7000—8500万斤,种植面积和产量占粮田面积和产量的60％以上。一、小麦条锈病的发生历史及现状徽县属陇南小麦条锈病早发、常发流行区。自1958年有记载的二十八年间,都有不同程
Huixian County is located in the south foot of West Qinling and the Huicheng Basin in the upper reaches of Jialing River. It has an elevation of 700-2300 meters and an annual average temperature of 12.1 ℃. The annual precipitation is about 740mm, the frost-free period is 180-220 days, the annual sunshine duration is 1700 hours and the average sunshine rate is 40 %. Since the 1970s, the county’s wheat acreage has been above 260,000 mu for many years, with an average yield of 250-340 jin per mu, a maximum of 435 kg per mu in 1975, a total annual output of 7000-8500 jin and a planting area and output accounting for More than 60% of the grain area and output. First, the history of wheat stripe rust and the status quo Huoxian Longnan wheat stripe rust early onset, the prevalence of endemic areas. Since 1958 there are records of twenty-eight years, there are different courses