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，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.

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.

与同倍杂合物种，为与基组加倍关的数目的变化,多倍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，在二倍水平上选育水稻无融和生殖种质的难度较大，而在多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.

与同倍杂合物相比，因为与基因组加倍相关染色数目变化,多倍杂合物易判断。

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质难度较大，而在多倍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，在二平上选育稻无融和生殖种质的难度较大，而在平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.

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,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.

与同倍杂合体物种相比，因为与基因组加倍相色体数目变化,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.

与同杂合物种相比，因为与基因组加相关的染色目的变化,多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，水平上选育水稻无融和生殖种质的难度较大，而多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。