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园艺学报 ›› 2011, Vol. 38 ›› Issue (5): 955-962.

• 研究报告 • 上一篇    下一篇

山东20个石榴品种花粉亚微形态学比较研究

尹燕雷,苑兆和*,冯立娟,招雪晴,陶吉寒   

  1. (山东省果树研究所,山东泰安271000)
  • 收稿日期:2010-12-22 修回日期:2011-05-06 出版日期:2011-05-25 发布日期:2011-05-25
  • 通讯作者: 苑兆和

Comparation of Pollen Ultrastructural Morphology Among Pomegranate (Punica granatum)Cultivars in Shandong Province

YIN Yan-lei,YUAN Zhao-he*,FENG Li-juan,ZHAO Xue-qing,and TAO Ji-han   

  1. (Shandong Institute of Pomology,Tai’an,Shandong 271000,China)
  • Received:2010-12-22 Revised:2011-05-06 Online:2011-05-25 Published:2011-05-25

摘要: 利用日立S-570扫描电镜对山东省20个石榴(Punica granatum)品种花粉的亚微形态特征进行了观察分析,结果表明:供试品种的花粉具3条萌发沟,属N3P4C5类型;赤道面观均呈近长球形,极面观呈三裂圆形或三角形;花粉粒极轴长23.08 ~ 28.57 μm,赤道轴宽13.07 ~ 19.74 μm;供试品种间花粉的大小、表面纹饰等均有明显差别。初步认为花粉粒的形态特征可以作为石榴品种间分类的一个标准。

关键词: 石榴, 花粉, 亚微形态

Abstract: The ultrastructures of pollen grains from 20 pomegranate(Punica granatum)cultivars in Shandong Province were examined using a Hitachi S-570 scanning electron microscope. The results showed that pollen grains were tricolporate,N3P4C5 type according to Erdtman’s NPC system. They were sub-spheroidal in equatorial view,and 3-lobed sub-spheroidal or triangle in polar view. The polar axis length of pollen grains was 23.08–28.57 μm. The equatorial axis length of pollen grains was 13.07–19.74 μm. In addition,there were significant differences in some morphological aspects of pollen grains,for example,pollen size and colporate,between cultivars. Thus,it was suggested that morphological characters of pollen grains were very important for cultivars differentiation in pomegranate.

Key words: pomegranate, pollen grains, ultrastructural morphology

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