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自从Canova在意大利首先发现甜菜丛根病[l],该病在世界各国相继发生。我国于70年代末在内蒙古、新疆等甜菜产区也发现该病害。由于丛根病的危害,造成了甜菜产量和含糖的严重下降,所以选育出抗病品种是解决丛根病问题的关键。目前可利用的抗性品种资源少,常规育
Since Canova first discovered beet root disease in Italy [1], the disease has occurred in all countries in the world. In the late 70s in our country, Inner Mongolia, Xinjiang and other sugar beet producing areas also found the disease. Due to the hazards of rhizomania, which caused the serious decline of sugar beet production and sugar content, breeding resistant varieties is the key to solve the problem of rhizomania. At present, there are few resources for the resistant cultivars and they are routinely cultivated