红豆草(Onobr vchis viciifolia)是多年生豆科牧草,被称为“牧草皇后”,近年全国不少地方都在推广种植。1984和1987年,我们先后发现奇台草原站和呼图壁种牛场栽培的红豆草发生锈病,发病率均在70％左右,发病严重者早期落叶,生长缓慢,产草量及种子产量均大幅度下降,发病愈早者损失愈大。本病在苏联和德国广泛分布,在我国尚未见报道。 Onobr vchis viciifolia is a perennial legume forage, known as the “forage queen,” and has been promoted in many parts of the country in recent years. In 1984 and 1987, we found that rust was found on sainfoin cultivated in the stations of Qitai Grassland and Hutubi cattle farms, with the incidence rates of about 70%. In the severe cases, early deciduous leaves, slow growth, yield and seed yield A substantial decline, the earlier the onset of loss greater. The disease is widely distributed in the Soviet Union and Germany, has not been reported in our country.