Development of the Megasporogenesis and Female Gametophyte in Phyllostachys edulis
Guo Qi-ron
Abstract
Guo Qi-ron
Abstract
The development of the megasporogenesis and female gametophyte in Phyllostachys edulis was observed by using routine paraffin sections. The results showed that the ovary consisted of two carpels in one room,the single ovule with parietal placenta was anatropous,double integument and thick inucellatae. The megasporocyte undergoes meiotic division to form linear megaspore. The embryo sac is of polygonum type,including one egg cell,two synergid ceils with evident filiform apparatus,one central cell consisting of two polar nuclei,and numerous antipodal cells.
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The development of the megasporogenesis and female gametophyte in Phyllostachys edulis was observed by using routine paraffin sections. The results showed that the ovary consisted of two carpels in one room,the single ovule with parietal placenta was anatropous,double integument and thick inucellatae. The megasporocyte undergoes meiotic division to form linear megaspore. The embryo sac is of polygonum type,including one egg cell,two synergid ceils with evident filiform apparatus,one central cell consisting of two polar nuclei,and numerous antipodal cells.
Key concepts: Megaspore, Ovule, Gametophyte, Biology, Gynoecium, Egg cell, Ovary, Integument