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
现
。
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
现
。
Pollen mother cells undergo meioses through simultaneous cytokinesis and give rise to tetrads of microspores, which are tetrahedrally arranged.
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,增加有益性状的选择几率,加快育种进程。
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