我县水浇条件较好,一年两作两收(小麦、夏玉米等)。1959年以来,小麦全蚀病逐年扩大发生,已成为小麦上的一种主要病害。广大干部群众和各级农技人员,为摸索全蚀病的发生规律和防治方法做了很多工作,取得了一定的成绩,有些单位逐年控制了危害。一、发病症状全蚀病是小麦上的一种根病。先在种子根上出现一段段黄褐色,逐渐变成灰黑色。根系大量受害后,麦苗瘦弱,分蘖减少,下部几片叶发黄,截断根的变黑部分,内部是炭黑色。小麦挑旗后,发病重的地方小麦长势很弱,植株明显矮小,成穗 Water conditions in our county better, two for two crops a year (wheat, summer corn, etc.). Since 1959, wheat eclipse has been expanding year by year, and it has become a major disease on wheat. The broad masses of cadres and the agricultural technicians at all levels have done a lot of work in exploring the law of occurrence and prevention and control of total eclipse diseases and have achieved certain achievements. Some units control the harm year after year. First, the etiology of erosions on wheat is a root disease. A segment of tan appears first on the seed root, gradually turning gray and black. After a large number of root damage, wheat seedling thin, reduce tillers, the lower part of a few leaves yellow, truncated part of the roots of black, the internal is carbon black. After the wheat is flagged, the wheat in the severely weakened area has a weak growth and the plants are apparently short and spike