小麦菌核性根腐病,近二年来在冀东地区如昌黎、抚宁、丰南、滦县、卢龙等县发病面积逐年上升。据在昌黎县后坨村调查,平均普遍率达72%,个别农户麦田普遍率为82%,严重率为58%,病情指数46.4。对产量造成明显影响。因此,对该病进行了研究,现将研究结果予以简介。 Wheat root rot nuclear disease in recent two years in eastern Hebei Province such as Changli, Funing, Fengnan, Luanxian, Lulong and other county incidence area increased year by year. According to the investigation in Tuoli Village, Changli County, the average prevalence rate reached 72%. The average prevalence rate of individual farmers in wheat fields was 82%, with a serious rate of 58% and a disease index of 46.4. Significant impact on production. Therefore, the disease has been studied, the research results are briefly introduced.