一个稳定的质一核型甜菜雄性不育系,在用另一个非亲缘保持系予以授粉后,其F_1是否还能继续保持原有的不育率和不育性状,也就是说甜菜的保持系是否具有通用性,不仅涉及雄性不育的遗传机理,而且有着重要的实践意义。因而,国外对甜菜保持系的通用性问题作过不少研究。Owen在食用甜菜和饲料甜菜中发现的不育细胞质有着和他发现的糖甜菜不育细胞质同样的效用,并育成了一个食用甜菜杂交种。后来在荷兰、日本、匈牙利.苏联等国发现的质一核型甜菜不育的新源,都和Owen最初发现的原品系相似。然而,Savitsky曾报道过分离了几个胞质源,各自对不育性有着不同的 Whether or not F_1 can maintain its original sterility and sterility traits even after pollination with another unrelated maintainer has been observed in a stable karyotrophic male sterile line of sugar beet Whether it is universal, not only involves the genetic mechanism of male sterility, but also has important practical significance. Therefore, many foreign researches have been done on the universality of beet keeping system. Owen’s sterile cytoplasm found in edible beet and fodder beet has the same utility as his discovery of sugar beet sterile cytoplasm and bred a diet beet hybrid. Later in the Netherlands, Japan, Hungary, the Soviet Union and other countries found a new source of cytoplasmic karyokinesis infertility, and Owen originally discovered the original line similar. However, Savitsky reported on the isolation of several cytoplasmic sources, each of which has different sterility