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园艺学报 ›› 2009, Vol. 36 ›› Issue (8): 1233-1238.

• 研究简报 • 上一篇    下一篇

重瓣和重台莲品种花芽分化过程的解剖结构比较

姜莉1,3;陈发棣1*;滕年军1;陈素梅1; 崔娜欣2; 顾俊杰2   

  1. (1 南京农业大学园艺学院, 南京210095; 2 上海鲜花港有限公司, 上海201300; 3 圆明园管理处, 北京100084)
  • 收稿日期:2009-01-12 修回日期:2009-05-22 出版日期:2009-08-25 发布日期:2009-08-25
  • 通讯作者: 陈发棣

Comparison of Flower Anatom ica l Structure of Double Flower and Proliferation Flower Cultivars in Nelumbo nucifera During Flower Bud DifferentiationProcesses

JIANG Li1,3;CHEN Fa-di1*;TENG Nian-jun1;CHEN Su-mei1;CU INa-xin2;GU Jun-jie2   

  1. (1College of Horticulture, Nanjing Agricultural University, Nanjing 210095, China; 2 Shanghai Flower Port Ltd, Shanghai 201300, China; 3 Yuanming yuan Park Management Departm ent, Beijing 100084,China)
  • Received:2009-01-12 Revised:2009-05-22 Online:2009-08-25 Published:2009-08-25
  • Contact: CHEN Fa-di

摘要: 以莲重瓣花品种‘友谊牡丹莲’和重台品种‘红台莲’为试材, 采用石蜡制片及显微观察方
法比较了两类品种的花芽分化过程中的结构特征。结果发现, 重瓣品种‘友谊牡丹莲’花芽分化可分为:分化起始期、萼片分化期、花瓣分化期、雄蕊分化期和雌蕊与花托向上发育期; 而重台品种‘红台莲’的花芽分化过程包括了分化起始期、萼片分化期、花瓣分化期和花托向上发育期。与重瓣品种相比, 重台品种由于雌雄蕊完全瓣化, 因此缺少性细胞分化阶段。

关键词: 莲, 花芽分化, 小孢子发生, 雄配子体, 解剖结构

Abstract: The flower bud differentiation processes of Nelum bonucifera‘YouyiMudan L ian’(double flower cultivar) and‘Hongtai Lian’ ( proliferation flower cultivar) were investigated. In‘Youyi MudanLian, the flower bud differentiation processes could be divided into six phases, i. e. , initial differentiation,sepal, petal, stamen, p istil and sexual cell differentiation phases, respectively. For‘Hongtai Lian ’,however, flower bud differentiation p rocesses could be divided into four phases including initial differentiation,
sepal, petal and cephalophorun differentiation phases, respectively. Compared with the double flower cultivar,‘YouyiMudan Lian’, the proliferation flower cultivar, ‘Hongtai L ian’lacks sexual cell differentiation phase due to the petalody of pistil and stamen

Key words: Nelum bonucifera, flower bud differentiation, microsporogenesis, male gamete, anatomical structure

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