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园艺学报 ›› 2011, Vol. 38 ›› Issue (09): 1770-1774.

• 研究报告 • 上一篇    下一篇

百合低温贮藏和花芽分化过程中鳞片细胞淀粉粒的显微观察

宁云芬1,龙明华1,2,*,陶 劲1,叶明琴1,杨美纯1   

  1. (1广西大学农学院园艺系,南宁530005;2广西大学园艺研究所,南宁530005)
  • 收稿日期:2010-12-07 修回日期:2011-08-31 出版日期:2011-09-25 发布日期:2011-09-25
  • 通讯作者: 龙明华

Microscopic Observation of Starch Grains in the Middle Scales of Lilium formolongi During Low Temperature Storage and Flower Bud Differentiation

NING Yun-fen1,LONG Ming-hua1,2,*,TAO Jin1,YE Ming-qin1,and YANG Mei-chun1   

  1. (1Department of Horticulture,College of Agriculture,Guangxi University,Nanning 530005,China;2Institute of Horticulture,Guangxi University,Nanning 530005,China)
  • Received:2010-12-07 Revised:2011-08-31 Online:2011-09-25 Published:2011-09-25
  • Contact: LONG Ming-hua1

摘要: 以新铁炮百合‘雷山’(Lilium formolongi‘Raizan’)鳞茎中部鳞片为试材,利用石蜡切片和扫描电子显微技术,观察了鳞茎低温贮藏和花芽分化过程中细胞内淀粉粒的数量和结构。结果表明:刚收获的百合鳞茎,中部鳞片薄壁细胞内可见大量淀粉粒充满整个细胞腔。在低温解除过程中,鳞片细胞的淀粉粒数量明显减少;在栽植后的花芽分化进程中,鳞片中的淀粉粒数量又呈逐渐增加的趋势。淀粉粒主要为椭圆形和长卵形,轮纹清晰,外围由一层半透明膜包裹。

关键词: 百合, 鳞片, 淀粉粒, 显微观察

Abstract: Microstructure and quantity of starch grains in the cell of Lilium formolongi‘Raizan’were studied with paraffin sections and scanning electron microscope(SEM)during low temperature storage and flower bud differentiation. The results indicated that abundant starch grains were stored in parenchyma cell of middle scales when bulb harvested. The starch grains declined significantly during low temperature storage but tended to increase when the flower bud differentiation. The starch grains were oval or long-oval,with distinct annular striation and attached with translucent membrane.

Key words: Lilium formolongi, scale, starch grain, microscopic observation

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