• 德鲁撒型胚囊具有4 ~11个反足细胞

    There are 4 ~ 11 antipodal cells in embryo sac of Drusa type.

    youdao

  • 孢子四分体线形,合点功能大孢子发育成为蓼胚囊

    Megaspore tetrad is linear. The chalazal megaspore develops into an embryo sac of Polygonum type.

    youdao

  • 成熟胚囊为蓼型胚囊,它包括一个中央细胞三个细胞

    The mature embryo sac contains an egg apparatus, a central cell and three antipodal cells.

    youdao

  • 水稻成熟胚囊结构观察结果表明:正常胚囊占90.8%,异型胚囊占9.3%。

    The research for the embryo sac structure of early stable rice showed that 90.8% embryo sacs were normal and 9.3% were not.

    youdao

  • 籽银胚囊发育

    The development of embryo sacs of 'Ziyingui' belonged to polygonum type.

    youdao

  • 同一品种异常频率存在明显差异显示异常结构胚囊的形成可能与品种的基因密切关系。

    The percentage of each kind of abnormal embryo sac was significantly different in each variety, suggesting that the abnormal phenomena were related possibly to the genotype of variety.

    youdao

  • 胞子四分体线形排列,合点端大孢子功能大孢子,胚囊发育为蓼,具有特化绒毡层承珠盘。

    Megaspore tetrad is linear. the chalazal megaspore develops into an embryo sac of polygonum type. Hypostase and special integument tapetum exist in the ovule.

    youdao

  • 胞子四分体线形排列,合点端大孢子功能大孢子,胚囊发育为蓼,具有特化绒毡层承珠盘。

    Megaspore tetrad is linear. the chalazal megaspore develops into an embryo sac of polygonum type. Hypostase and special integument tapetum exist in the ovule.

    youdao

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