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园艺学报 ›› 2006, Vol. 33 ›› Issue (6): 1299-1302.

• 研究报告 • 上一篇    下一篇

富士芽变系品种花粉形态初探

闫忠业1, 2;伊凯2;李作轩1;刘志2;王冬梅2;杨锋2   

  1. (1 沈阳农业大学园艺学院, 辽宁沈阳110161; 2 辽宁省果树科学研究所, 辽宁熊岳115009)
  • 收稿日期:2005-12-01 修回日期:2006-04-27 出版日期:2006-12-25 发布日期:2006-12-25
  • 通讯作者: 伊凯

Preliminary Studies on Pollen Morphology of Fuji Sports Strains

Yan Zhongye1, 2;Yi Kai2;Li Zuoxuan1;Liu Zhi2;Wang Dongmei2;Yang Feng2   

  1. (1College of Horticulture, Shenyang Agricultural University, Shenyang, Liaoning 110161, China; 2Liaoning Research Institute of Pomology, Xiongyue, Liaoning 115009, China )
  • Received:2005-12-01 Revised:2006-04-27 Online:2006-12-25 Published:2006-12-25
  • Contact: Yi Kai

摘要: 用扫描电镜对富士和长富2号、福岛短枝富士、早熟富士、望山红等芽变系品种的花粉进行了形态观察。结果表明: 这些富士芽变系品种的花粉粒侧面观为长椭圆形, 极面观为三角形; 具3拟孔沟;花粉表面为条状纹饰, 有穿孔。‘福岛短枝富士’花粉粒大, 极轴长最长, 为42.25 μm; 赤道轴长为25.08μm, 略短于‘早熟富士’, 明显长于其它3个品种; ‘富士’的P /E值最大, 为1.75, 其次是‘长富2号’和‘望山红’, 分别为1.73和1.71, 三者明显大于‘早熟富士’的P /E值。P /E值可作为芽变品种鉴定的重要指标。每个品种的花粉纹饰各有特点, 可通过花粉的扫描电镜观察来鉴别以上的富士芽变系品种。

关键词: 苹果, 芽变系, 扫描电镜, 花粉, 纹饰, P/E值

Abstract: Pollen morphology of strains of‘Fuji’apple was examined with scanning electron microscope(SEM). Pollen morphology among various‘Fuji’sports was compared with the polar axis length, the equatorial axis length, the ridge width, the ridge distance and the perforation diameter. The results showed that the shape of these pollen grains was prolate ellipse in side morphology and they were triangle in polarmorphology. There was 3-colporate, striped ornamentation with perforation on the surface of these pollen grains. Pollen
grains of‘Fukuhima Spur’with 42.25μm polar axis length and 25.08 μm equatorial axis length was the biggest. P /E value of‘Fuji’pollen with 1.75 was the biggest, then that of‘Nagafu 2’and ‘Wangshanhong’. They were both remarkably bigger than that of‘Yataka’. P /E value could be regarded as an important index for identifying sports. Otherwise pollen ornamentation was various in each cultivar. Therefore the above Fuji sports could be identified through SEM observation on pollen morphology.

Key words: Apple, Sports strains, SEM, Pollen, Ornamentation, P/E value

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