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宁夏枸杞的胚胎发生和胚乳发育

THE EMBRYOGENY AND THE DEVELOPMENT OF ENDOSPERM OF LYCIUM BARBARUM L.

  • 摘要: 宁夏枸杞的胚胎发生属茄型,由顶细胞参与胚体的形成,基细胞仅形成六细胞胚柄。胚乳发育为细胞型,但也观察到少数核型胚乳的现象。初步探讨了核型胚乳与细胞型胚乳的关系。

     

    Abstract: Transverse division of the zygote occurs after five days of the pollination. An embryo with hypocotyl, two lateral cotyledons and epicotyl is formed from the apical cell, The basal cell of the proembryo undergoes three transverse divisions to form the six cellular suspensor, Embryonic type is Solanad type, The development of endosperm is Cellular type but in a few embryo sacs, Nuclear type is observed, The relation between the nuclear type and the cellular type of endosperm was discussed.

     

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