In contrast to homoploid hybrid species,polyploid species are easily diagnosed because of chromosome number changes associated with genome doubling.

与同倍杂合体相比，因为与基因组加倍相关染色体数目变化,多倍杂合体很容易判断。

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.

摘要 ： 目前，在二倍体水平上选育水稻无融和生殖质难度较大，而在多倍体水平筛选水稻无融和生殖新质已成为水稻无融和生殖研究新生长点。

In contrast to homoploid hybrid species,polyploid species are easily diagnosed because of chromosome number changes associated with genome doubling.

与同杂合物种相比，因为与基因组加相关的染色数目的变化,杂合物种很容易判断。

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.

摘要 ： 目前，在二上选育稻无融和生殖种质的难度较大，而在筛选稻无融和生殖新种质已成为稻无融和生殖研究新的生长点。

In contrast to homoploid hybrid species,polyploid species are easily diagnosed because of chromosome number changes associated with genome doubling.

倍杂合体物种相比，为基组加倍相关染色体数目变化,多倍杂合体物种很容易判断。

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.

摘要 ： 目前，在二倍体水平上选育水稻无融和生殖种质难度较大，而在多倍体水平筛选水稻无融和生殖新种质已成为水稻无融和生殖研究新生长点。

In contrast to homoploid hybrid species,polyploid species are easily diagnosed because of chromosome number changes associated with genome doubling.

与同体物种相比，因为与因组加相关的染色体数目的变化,多体物种很容易判断。

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.

摘要 ： 目前，在二体水平上选育水稻无融和生殖种的难度较大，而在多体水平筛选水稻无融和生殖新种已成为水稻无融和生殖研究新的生长点。

In contrast to homoploid hybrid species,polyploid species are easily diagnosed because of chromosome number changes associated with genome doubling.

杂合体物种相比，为组加相关染色体数目变化,多杂合体物种很容易判断。

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.

摘要 ： 目前，在二体水平上选育水稻无融和生殖种质难度较大，而在多体水平筛选水稻无融和生殖新种质已成为水稻无融和生殖研究新生长点。

In contrast to homoploid hybrid species,polyploid species are easily diagnosed because of chromosome number changes associated with genome doubling.

与同倍杂合体物种相比，为与基加倍相关的染色体数目的变化,多倍杂合体物种很容易判断。

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.

摘要 ： 目前，在二倍体水平上选育水稻无融和生殖种质的难度较大，而在多倍体水平筛选水稻无融和生殖新种质已成为水稻无融和生殖研究新的生长点。

In contrast to homoploid hybrid species,polyploid species are easily diagnosed because of chromosome number changes associated with genome doubling.

与同倍杂体物种相比，为与组加倍相关的染色体数目的变化,多倍杂体物种很容易判断。

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.

摘要 ： 目前，在二倍体水平上选育水稻无融和生殖种质的难度较大，而在多倍体水平筛选水稻无融和生殖新种质已成为水稻无融和生殖研究新的生长点。

In contrast to homoploid hybrid species,polyploid species are easily diagnosed because of chromosome number changes associated with genome doubling.

与同倍杂合物种相比，因为与基因组加倍相关的染数目的变化,倍杂合物种很容易。

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.

要 ： 目前，在二倍水平上选育水稻无融和生殖种质的难度较大，而在倍水平筛选水稻无融和生殖新种质已成为水稻无融和生殖研究新的生长点。

In contrast to homoploid hybrid species,polyploid species are easily diagnosed because of chromosome number changes associated with genome doubling.

同倍杂合体物种相比，为组加倍相关染色体数目变化,多倍杂合体物种很容易判断。

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.

摘要 ： 目前，在二倍体水平上选育水稻无融和生殖种质难度较大，而在多倍体水平筛选水稻无融和生殖新种质已成为水稻无融和生殖研究新生长点。