1.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.

1.摘要 ： 目前，二倍上选育稻无融和殖种质的难度较大，倍筛选稻无融和殖新种质已成为稻无融和殖研究新的长点。