[1]洑香香,冯岚,方升佐,等.青钱柳开花习性及雄花发育的解剖学观察[J].南京林业大学学报(自然科学版),2010,34(03):067-71.[doi:10.3969/j.jssn.1000-2006.2010.03.014]
 FU Xiang xiang,FENG Lan,FANG Sheng zuo,et al.Observation on flowering habits and anatomy of stamen development in Cyclocarya paliurus[J].Journal of Nanjing Forestry University(Natural Science Edition),2010,34(03):067-71.[doi:10.3969/j.jssn.1000-2006.2010.03.014]
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青钱柳开花习性及雄花发育的解剖学观察
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《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

卷:
34
期数:
2010年03期
页码:
067-71
栏目:
研究论文
出版日期:
2010-06-29

文章信息/Info

Title:
Observation on flowering habits and anatomy of stamen development in Cyclocarya paliurus
作者:
洑香香冯岚方升佐毛键
南京林业大学森林资源与环境学院,江苏南京210037
Author(s):
FU Xiangxiang FENG Lan FANG Shengzuo MAO Jian
College of Forest Resources and Environment, Nanjing Forestry University, Nanjing 210037, China
关键词:
青钱柳开花习性雄花发育花粉形态
Keywords:
Cyclocarya paliurus flowering habits stamen development morphology of pollen
分类号:
S718
DOI:
10.3969/j.jssn.1000-2006.2010.03.014
文献标志码:
A
摘要:
观察了青钱柳的开花习性,利用石蜡切片结合电镜技术研究了青钱柳开花的基本规律、雄花发育的过程及花粉的形态。结果表明:(1)同一青钱柳植株存在花期不遇现象,有的植株表现为雌先型,有的表现为雄先型,但不同植株间的雌雄花成熟持续时期相同,即从4月下旬至5月中旬。(2)青钱柳的花药为4室,药壁发育属双子叶型,成熟花粉为2细胞型。(3)花粉形态呈扁球形,赤道面观呈椭圆形,极面观为五边形。赤道轴长28.84 μm(26.0~32.8 μm),极轴长约23.79 μm(212~26.0 μm);花粉表面纹饰为细颗粒状;花粉具4~5个萌发孔,分布在赤道面上。
Abstract:
To learn the flowering phenology and stamen development in Cyclocarya paliurus, flowering habits, process of stamen development, and pollen morphology were studied by paraffin section and electron microscopy scan. The results were as follows: (1)Asynchronous flowering period existed in the same plant. In some plants, male flowers maturated later than female flowers, in other plants, the situation was on the contrary. However, durations of male and female flowering time were from late April to early May in different plants. (2)Its anther had 4 chambers, anther wall development was classified into Geminicotyledon type, mature pollen grain was 2celled. (3)Morphology of pollen looked like oblate spheroid, from equator side like oval, and pole side pentagon. The equator axis was as long as 28.84 μm (260—32.8 μm) and pole axis 23.79 μm (21.2—26.0 μm). The mature pollen grains with surface ornamentation of granule contained 4—5 apertures around the equator.

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备注/Memo

备注/Memo:
收稿日期:2009-07-25修回日期:2010-01-24基金项目:江苏省“六大人才高峰”资助项目;国家林业局林业公益性行业科研专项(200904046);江苏高等学校创新团队科研计划作者简介:洑香香(1969—),副教授,博士。Email: xxfu@njfu.edu.cn。引文格式:洑香香,冯岚,方升佐,等. 青钱柳开花习性及雄花发育的解剖学观察[J]. 南京林业大学学报:自然科学版,2010,34(3):67-71.
更新日期/Last Update: 2010-06-29