1964年4月山东文登县及威海市,小麦遭到一种病害“地黄病”(群众称呼)的严重为害,蔓延极速。 通过田间病症及实验室诊断,初步认为是叶枯病(Septoria tritci)。此病在1937年山东有过记载,但情况并不严重。据国外报导,这个病害近年来也突然严重起来,在新西伯利亚其危害性超过秆锈病,日本石仑秀次(1963年)亦有报导。 此病在当地发生分四个阶段:(1)叶片出现 In April 1964, in Wendeng County and Weihai City, Shandong Province, wheat was severely damaged by a disease called “Rehmannia disease” (mass appellation), which spread rapidly. By field disease and laboratory diagnosis, initially considered to be leaf blight (Septoria tritci). The disease was recorded in Shandong in 1937, but the situation is not serious. According to foreign reports, the disease has also suddenly become serious in recent years. In North Siberia, it is more harmful than stem rust, and Japan Shi Lun show times (1963) has also been reported. The disease occurred in the local four stages: (1) leaves appear