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，因为基因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.

与同倍杂种相比，因为与基因组加倍相关的染色数目的变化,多倍杂种很容易判断。

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，在二倍水平上选育水稻无融和生殖种的难度较大，而在多倍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.

与同倍杂合体物种相比，因为与基因组加倍相关染色体数目,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.

与同倍杂合体物种相比，因为与基因组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，在二倍体水平水稻无融和生殖种质的难度较大，而在多倍体水平筛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.

与同倍杂合体物种相比，因为与基因组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，在二倍体水育水稻无融和生殖种质的难度较大，而在多倍体水筛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.

与同杂合体物种相比，因为与基因组加相关的色体数的变化,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 ： ，在二体水平上选育水稻无融和生殖种质的难度较大，而在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.

同倍杂合体物种相比，因为基因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.

与同倍杂合体物种比，因为与基因组加倍染色体数目变化,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。