体细胞的胚胎通过愈伤组织培养获得,在杂交水稻生产中,为了保持可利用的细胞质不育原种后代而采用愈伤组织培养,以胚胎发生方式形成的大量胚状体的方法是引人注目的。细胞质不育原种(A 系不育系)是由可育的同核保持系(B 系)来保持的,为了大规摸繁殖,A 系和 B 系通常在隔离交替排列下生长。已成功地应用组织培养 Somatic embryos are obtained by callus culturing. In hybrid rice production, a large number of embryoid bodies that are formed by embryogenesis using callus culture in order to maintain available cytoplasmic male sterile progeny are introduced Noteworthy. The cytoplasmic male sterile (CMS line A) is maintained by the fertile homonuclear maintainer line (B line), which normally grows in alternate compartments for large-scale breeding. Tissue culture has been successfully applied