The big,empty and abortive pollen grains are abserred at the stage of uninuclear microspore.

单期小孢子出现壁发育不良及空花粉现象。

Pollen mother cells undergo meioses through simultaneous cytokinesis and give rise to tetrads of microspores, which are tetrahedrally arranged.

花粉母细胞行减数分裂，细胞质分裂属同时型，产生小孢子四分体，为四面体形。

Homogenous lines can be obtained in a very short time by haploidy breeding method such as microspore culture and anther culture.

摘要通过单倍体育种途径可快速获得纯合材料，增加有益性状选择几率，加快育种进程。

The big,empty and abortive pollen grains are abserred at the stage of uninuclear microspore.

单期的小孢子出现壁发育不良和巨大及空花粉现象。

Pollen mother cells undergo meioses through simultaneous cytokinesis and give rise to tetrads of microspores, which are tetrahedrally arranged.

花粉母细胞行减数分裂，细胞质分裂属同时型，产生小孢子四分，为四面。

Homogenous lines can be obtained in a very short time by haploidy breeding method such as microspore culture and anther culture.

要通过单倍育种途径可快速获得纯合材料，增加有益性状的选择几率，加快育种进程。

The big,empty and abortive pollen grains are abserred at the stage of uninuclear microspore.

单期的小孢子出现壁发育不良和巨大及空粉现象。

Pollen mother cells undergo meioses through simultaneous cytokinesis and give rise to tetrads of microspores, which are tetrahedrally arranged.

粉母减数分裂，质分裂属同时型，产生小孢子四分体，为四面体形。

Homogenous lines can be obtained in a very short time by haploidy breeding method such as microspore culture and anther culture.

摘要通过单倍体育种途径可快速获得纯合材料，增加有益性状的选择几率，加快育种进程。

The big,empty and abortive pollen grains are abserred at the stage of uninuclear microspore.

单期小孢子出现壁发不良和巨大及空花粉现象。

Pollen mother cells undergo meioses through simultaneous cytokinesis and give rise to tetrads of microspores, which are tetrahedrally arranged.

花粉母细胞行减数分裂，细胞质分裂属同时型，产生小孢子四分体，为四面体形。

Homogenous lines can be obtained in a very short time by haploidy breeding method such as microspore culture and anther culture.

摘要通过单倍体径可快速获得纯合材料，增加有益性状选择几率，加快进程。

The big,empty and abortive pollen grains are abserred at the stage of uninuclear microspore.

单期的小孢出现壁良和巨大及空花粉现象。

Pollen mother cells undergo meioses through simultaneous cytokinesis and give rise to tetrads of microspores, which are tetrahedrally arranged.

花粉母细胞行减数分裂，细胞质分裂属同时型，产生小孢四分体，为四面体形。

Homogenous lines can be obtained in a very short time by haploidy breeding method such as microspore culture and anther culture.

摘要通过单倍体种途径可快速获得纯合材料，增加有益性状的选择几率，加快种进程。

The big,empty and abortive pollen grains are abserred at the stage of uninuclear microspore.

单期的小孢出现壁发育不良和巨大及空花粉现象。

Pollen mother cells undergo meioses through simultaneous cytokinesis and give rise to tetrads of microspores, which are tetrahedrally arranged.

花粉母细行减数裂，细裂属同时型，产生小孢四体，为四面体形。

Homogenous lines can be obtained in a very short time by haploidy breeding method such as microspore culture and anther culture.

摘要通过单倍体育种途径可快速获得纯合材料，增加有益性状的选择几率，加快育种进程。

The big,empty and abortive pollen grains are abserred at the stage of uninuclear microspore.

单期的小孢出现壁发育不良和巨大及空花粉现象。

Pollen mother cells undergo meioses through simultaneous cytokinesis and give rise to tetrads of microspores, which are tetrahedrally arranged.

花粉母细胞行减数分裂，细胞质分裂属同时型，产生小孢四分体，为四面体形。

Homogenous lines can be obtained in a very short time by haploidy breeding method such as microspore culture and anther culture.

摘要通过单倍体育途速获得纯合材料，增加有益性状的选择几率，加育进程。

The big,empty and abortive pollen grains are abserred at the stage of uninuclear microspore.

单期的小孢子出现壁发育不良和巨大及空花粉现象。

Pollen mother cells undergo meioses through simultaneous cytokinesis and give rise to tetrads of microspores, which are tetrahedrally arranged.

花粉母细胞行减数分裂，细胞质分裂属同时型，产生小孢子四分体，为四面体形。

Homogenous lines can be obtained in a very short time by haploidy breeding method such as microspore culture and anther culture.

摘要通过单倍体育种途径可快速获得纯合材，有益性状的选择几率，快育种进程。

The big,empty and abortive pollen grains are abserred at the stage of uninuclear microspore.

单期的小孢子出现壁发育不良和巨大及空花粉现象。

Pollen mother cells undergo meioses through simultaneous cytokinesis and give rise to tetrads of microspores, which are tetrahedrally arranged.

花粉母细胞行减数分裂，细胞质分裂属同时型，产生小孢子分体，体形。

Homogenous lines can be obtained in a very short time by haploidy breeding method such as microspore culture and anther culture.

摘要通过单倍体育种途径可快速获得纯合材料，增加有益性状的选择几率，加快育种进程。

The big,empty and abortive pollen grains are abserred at the stage of uninuclear microspore.

单期的孢子出现壁发育不良和巨大及空花粉现象。

Pollen mother cells undergo meioses through simultaneous cytokinesis and give rise to tetrads of microspores, which are tetrahedrally arranged.

花粉母细胞行减数分裂，细胞质分裂属同时型，孢子四分体，为四面体形。

Homogenous lines can be obtained in a very short time by haploidy breeding method such as microspore culture and anther culture.

摘要通过单倍体育种途径可快速获得纯合材料，增加有益性状的选择几率，加快育种进程。