[1]林树燕,万雅雯,傅华君,等.竹类植物花序建成及花序类型修正[J].南京林业大学学报(自然科学版),2018,42(06):001-6.[doi:10.3969/ j.issn.1000-2006.201801053]
 LIN Shuyan,WAN Yawen,FU Huajun,et al.Research on inflorescence establishment and revision of inflorescence type in bamboo plants[J].Journal of Nanjing Forestry University(Natural Science Edition),2018,42(06):001-6.[doi:10.3969/ j.issn.1000-2006.201801053]
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竹类植物花序建成及花序类型修正
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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:
42
期数:
2018年06期
页码:
001-6
栏目:
专题报道
出版日期:
2018-12-15

文章信息/Info

Title:
Research on inflorescence establishment and revision of inflorescence type in bamboo plants
作者:
林树燕12万雅雯123傅华君123张 莉123姜明云123尹增芳13丁雨龙12*
(1.南京林业大学,南方现代林业协同创新中心,江苏 南京 210037; 2.南京林业大学竹类研究所,江苏 南京 210037; 3.南京林业大学生物与环境学院,江苏 南京 210037)
Author(s):
LIN Shuyan12 WAN Yawen123 FU Huajun123 ZHANG Li123 JIANG Mingyun123 YIN Zengfang1 3 DING Yulong12*
(1. Co-Innovation Center for the Sustainable Forestry in Southern China, Nanjing Forestry University,Nanjing 210037, China; 2.Bamboo Research Institute, Nanjing Forestry University, Nanjing 210037, China; 3. College of Biology and the Environment, Nanjing Forestry University, Nanjing 210037, China)
关键词:
竹类植物 花芽分化 花序类型 混合花序
Keywords:
bamboo plant floral bud differentiation inflorescence type mixed inflorescence
分类号:
S718
DOI:
10.3969/ j.issn.1000-2006.201801053
文献标志码:
A
摘要:
【目的】竹类植物的花序在竹类植物分类及繁殖中有非常重要的地位,其形态特征也是竹类植物分类的依据之一。然而由于竹类植物特殊的开花特性,目前对竹类植物花芽分化及花序建成的研究资料较少,此次研究为更好地明晰竹类植物的花序类型及形成过程提供依据。【方法】采用石蜡切片和形态观察相结合的方法,以苦竹属(Pleioblastus)的翠竹、东笆竹属(Sasaella)的黄条金刚竹以及箣竹属(Bambusa)的‘霞早’绿竹为材料,对其花序建成过程进行了观察。【结果】尽管3个竹种花序外在形态表现多样,但其花序类型都为混合花序,即花序主轴小穗发育为有限花序,而组成各小穗的小花发育为无限花序。同一个花序中顶部小穗最先发育,然后由顶部向基部依次发育出侧生小穗原基,为有限花序; 而同一小穗上不同部位小花的发育进程则按基部到顶部的顺序依次进行。【结论】综合小穗和小花的发育过程,将原属于有限花序(真花序)的黄条金刚竹和翠竹以及原属于无限花序(假花序)的‘霞早’绿竹的花序类型进行统一,将竹类植物花序定义为混合花序。
Abstract:
【Objective】 The inflorescence plays an important role in taxonomy and propagation in bamboo plants. Its morphological characteristic is one of the bases for bamboo classification. However, the specialized flowering characteristics, long vegetative period and short reproductive period in bamboo have greatly limited research on its reproductive biology. At present, there is little research data available on bamboo flower bud differentiation and inflorescence types. The study therefore aimed to clarify types of bamboo inflorescence and the development processes. 【Method】 We used Bambusa oldhamii ‘Xia Zao’ ZSX, Sasaella kongosanensis ‘Aureostriatus’ and Pleioblastus pygmaeus as our samples in order to study the establishment process of the inflorescence in detail, employing paraffin sections and morphological observation as our methodology. 【Result】 These three bamboo varieties all have mixed inflorescences, with a varied external inflorescence morphology: the spikelet development on the inflorescence spindle was a definite inflorescence, while the floret development on the spikelet was indefinite. The top spikelet first developed on one inflorescence, followed by the second spikelet primordia at the base of the top spikelet, and so on, in a similar fashion, while the floret on a different part of the same spikelet developed from the base to the top. 【Conclusion】 Based on the spikelet and floret development, we combined the formerly determinate inflorescences(S. kongosanensis ‘Aureostriatus’ and P. pygmaeus)and the formerly indeterminate inflorescence(B. oldhamii ‘Xia Zao’ ZSX)into a single type of mixed inflorescence.

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备注/Memo

备注/Memo:
收稿日期:2018-01-30 修回日期:2018-03-14
基金项目:国家自然科学基金项目(37870595); 国家重点研发计划(2016YFD0300601); 江苏省科技支撑计划(农业)重点项目(BE2016304); 江苏高校优势学科建设工程资助项目(PAPD)
第一作者:林树燕(lrx@njfu.com.cn),副教授,博士。*通信作者:丁雨龙(ylding@vip.126.com),教授。
更新日期/Last Update: 2018-11-30