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首页> 外文期刊>Bothalia: African Biodiversity & Conservation >Embryo sac development in some representatives of the tribe Cynodonteae (Poaceae)
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Embryo sac development in some representatives of the tribe Cynodonteae (Poaceae)

机译:犬齿亚科(禾本科)的一些代表中的胚囊发育

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摘要

Chloris virgata Sw., Cynodon dactylon (L.) Pers., Harpochloa falx (L. f.) Kuntze, and Tragus berteronianus Schult. have a Polygonum type of embryo sac development. Unreduced embryo sacs were found in Eustachys paspaloides (Vahl) Lanza & Mattei,? Harpochloa falx, and? Rendlia altera (Rendle) Chiov. Both facultative and obligate apomixis were observed. The Hieracium type of embryo sac development was observed in the aposporic specimens.
机译:Chloris virgata Sw。,Cynodon dactylon(L.)Pers。,Harpochloa falx(L.f.)Kuntze和Tragus berteronianus Schult。有a类胚囊发育。在Eustachys paspaloides(Vahl)Lanza&Mattei中发现了未还原的胚囊。 Harpochloa falx,还有? Rendlia altera(Rendle)Chiov兼性和专性无融合生殖都被观察到。在无孢子标本中观察到Hieracium类型的胚囊发育。

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