Abstract : It is difficulty to select and breed apomictic germplasm among diploid rices at present, but it has become a hotspot to select and breed apomictic germplasm among polyploid rices.

摘 ： ，在二倍体水上育水稻无融和殖种质的难度较大，而在多倍体水水稻无融和殖新种质已成为水稻无融和殖研究新的长点。