期刊论文

Liu, Z.-L.

中文

湖南师范大学自然科学学报

2096-5281

2001

24

2

76-79

10.3969/j.issn.1000-2537.2001.02.023

湖南省农村工作委员会资助项目（9848－7）；

本校为其他机构

用扫描电镜观察了湖南张家界6个地方梨花粉形态特征，结果表明，它的形态基本一致，呈长球形；花粉粒大小及表面纹饰各异；麻糖梨花粉表面纹走向呈横向弯曲，几乎见不到穿孔；木头簟呈纵向平行，穿孔突出；青皮梨呈回旋状，穿孔步；糖梨2号呈斜向平行，几乎见不到穿孔；三锅梨和糖梨1号呈纵向平行，穿孔多而不明显，说明它们亲缘关系较近。

Local pear pollens from Zhang Jia Jie in Hunan Prov ince were examined with scanning electron microscope(SEM).The results showed that the shape of theses pollen grains is all prolate spheroid,and that the difference in their superficial fine structure was found.Pollen ornamentation of Ma Tang pear is c urved crosswise,no pcrforation almost;and that of Mu Tou pear is parallel length wise, with marked perforation; Qing Pi pear has pollen grains with circle round striation and more perforation;Tang Pear No.2 has pollen grains with slantwise pa rallel striation and no perforation almost; Both San ...