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一、病害发生与防治情况1958年,我省三麦(小麦、大麦和元麦)赤霉病的分布地区。仍以苏南及苏北沿江各县为主。但是不同于常年的特点是:病害发生早,来势猛,蔓延快;大元麦的病情是多年来所少有的。根据几年的观察,三麦赤霉病的发病轻重,主要决定于三麦抽穗到乳熟期间的气候条件。1958年4月中、下旬,苏州、镇江、南通、扬州4个专区的气温比常
First, the occurrence and prevention of disease 1958, the province three wheat (wheat, barley and wheat) scab distribution. It is still dominated by counties in southern Jiangsu and northern Jiangsu. But different from the perennial characteristics are: disease occurred early, fierce trend, spread fast; Dayun Mai’s condition is rare for many years. According to several years of observation, the severity of the occurrence of three wheat scab belongs mainly to the climatic conditions during the heading of three wheat ears to milky ripening. April 1958 mid to late, Suzhou, Zhenjiang, Nantong, Yangzhou 4 special zone than the normal temperature