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中文
Journal
2005
,
Vol. 18
Issue (1)
: 5-8
DOI
:
Research Report
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Abstract
首次报道了番木瓜(CaricapapayaL.)雄花小孢子发生和雄配子体形成的过程.结果表明,番木瓜花花药4室,药壁5~6层,腺质绒毡层;小孢子母细胞减数分裂为同时型,四分体呈正四面体形.成熟花粉粒为二细胞型,呈圆形;小孢子发育及雄配子体形成过程中有败育现象,产生空粒花粉粒.导致花粉粒败育的主要原因是绒毡层细胞延迟解体退化,不能及时提供小孢子正常发育的营养.
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[J]. Journal , 2008, 21(4): 7-13.
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