| 银杏种实发育过程中中种皮的解剖与超微结构观察 |
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| 引用本文： | 王永平,王莉,陈鹏,于维华,乐多.银杏种实发育过程中中种皮的解剖与超微结构观察[J].植物生理学通讯,2006,42(6):1086-1090. |
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| 作者姓名： | 王永平 王莉 陈鹏 于维华 乐多 |
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| 作者单位： | 扬州大学农学院园艺系,江苏,扬州,225009 |
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| 基金项目： | 银杏国家标准制定项目;江苏省科技攻关计划 |
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| 摘 要： | 观测银杏品种‘佛指’种实中种皮的解剖和超微结构变化的结果表明，银杏种实的单粒重、纵径和横径的增长都呈单S形生长曲线，纵径和横径增长高峰早于单粒重；银杏种实单粒重主要的增长时期与中种皮的木质化进程基本上一致；银杏种实中种皮发育过程中，细胞发生核浓缩、染色质趋边化以及核最终解体等形态学上的变化，呈现细胞编程性死亡特征。
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| 关 键 词： | 银杏 中种皮 解剖结构 超微结构 |
| 收稿时间： | 2006-09-03 |
| 修稿时间： | 2006-09-29 |
Observation on Anatomical Structure and Ultra-structure of Mesocoat during Development of Ginkgo biloba L. |
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| WANG Yong-Ping,WANG Li,CHEN Peng,YU Wei-Hua,Abdon Ledoux BOBOTO.Observation on Anatomical Structure and Ultra-structure of Mesocoat during Development of Ginkgo biloba L.[J].Plant Physiology Communications,2006,42(6):1086-1090. |
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| Authors: | WANG Yong-Ping WANG Li CHEN Peng YU Wei-Hua Abdon Ledoux BOBOTO |
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| Affiliation: | Department of Horticulture, College of Agriculture, Yangzhou University, Yangzhou, Jiangsu 225009, China |
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| Abstract: | The results of observation on anatomical structure and ultra-structure of mesocoat during develop-ment of Ginkgo biloba L.cv.'Fo-zhi' indicated that,the increment course of grain weight and diameter could be expressed as a single-sigmoid curve,the diameter increase of the seed was earlier than grain weight.The main growth period of grain weight was similar to the process of lignifications of mesocoat.Nuclei condensation,chromatin margination and nucleus degeneration occurred,it showed a character of programmed cell death(PCD). |
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| Keywords: | Ginkgo biloba L mesocoat anatomical structure ultra-structure |
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