小麦生产是我省农业一大优势,产量占全年粮食总产的一半以上。由于小麦播种面积大、品种多、气候适宜,因而其病害发生的种类也较多,尤以小麦白粉、条叶锈和赤霉等病为普遍而严重,白粉和锈病常年发病面积分别达1000万亩和1000～2000万亩之多。小麦赤霉病这几年也在扩大蔓延,1985年是此病最为严重的一年,以至波及了4000万亩麦田。仅此几种病的发生,每年就 Wheat production is a major advantage of agriculture in our province, accounting for more than half of the total grain output in the year. Due to the large sown area of ​​wheat, more varieties and more suitable climatic conditions, the occurrence of diseases is also more, especially wheat flour, leaf rust and gibberellic diseases are common and severe. The annual incidence of white powder and rust is 10 million Mu and 1000 ~ 2000 mu as much. Wheat scab has also expanded and spread in recent years. In 1985, it was the most serious year for the disease and even affected 40 million mu of wheat fields. Only a few kinds of diseases occur every year