2012•Xibei nongye xuebaoRequires access
Cytological Study on Microsporogenesis of CMS158 in Cabbage
Gong Zhen-hui
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Abstract
The floral organs of two sets of cytoplasmic male sterile lines CMS158 and its maintainer lines B158 of cabbage were compared with each other.The results indicated that abortion occurred between tetrad of microspore and single nuclear microspore.Callous walls were degenerated in advance,tapetum cells became highly vacuolated,pressing the microsporocyte seriously,interfering the normal procedure of meiosis,and finally leading to pollen grain abortion.