小麦黄矮病在河北省廊坊地区每年都有不同程度的为害,1970年大流行,发病面积占麦田面积30%左右。我们从1972年以来,开展了小麦黄矮病侵染及发病规律的研究,取得了初步结果。 Wheat yellow dwarf disease in Langfang in Hebei Province each year have varying degrees of damage, the 1970 pandemic, the incidence of wheat fields accounted for about 30% of the area. Since 1972, we have carried out research on the infection and occurrence of wheat yellow dwarf virus and achieved preliminary results.