1974—1976年多菌灵防治甜菜褐斑病总结

• 机 构: 内蒙古甜菜制糖工业研究所太平庄甜菜育种站,
• 出 处: 甜菜糖业
• 发表日期: 1978年01期
• 关键词: 甜菜褐斑病 甜菜 病情指数 大亩 含糖率 甜菜块根 产糖量 甜菜黄化病毒 品种区域试验 褐斑病

甜菜褐斑病(cercospora beticolasocc),是我区甜菜主要病害之一,尤其是在土默川甜菜主产区,该病的发生还逐年有所加重。以内蒙古五号品种为例,1964—1966年自治区甜菜品种区域试验中,该品种在土默川各试验点病情指数平均只有3.9％,1971—1973年即增加至23.7％,1974—1976年更增加至36.3％。在大亩生产中也有些地块的病情指数达到了60％以上,严重地影响

Beetle leaf spot (cercospora beticolasocc), is one of the main diseases of beet in our region, especially in the main producing area of ​​Tusiguan beet, the incidence of the disease also increased year by year. Taking Inner Mongolia No.5 breed as an example, in the regional experiment of sugar beet variety in Autonomous Region from 1964 to 1966, the average disease index of this breed was only 3.9% at each test point in Tumochuan, increasing from 23.7% in 1971-1973 to 23.7% in 1974-1976 Increase to 36.3%. In the mass production of some plots of the disease index reached more than 60%, seriously affected