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。
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
行减数分裂,
质分裂

型,产
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。
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