毛茛状金莲花花部结构的吸引功能

草业学报 ›› 2013, Vol. 22 ›› Issue (3): 190-.

毛茛状金莲花花部结构的吸引功能

刘乐乐^1,2,5,杨晓³,高天鹏⁴,张兆华²,刘左军⁶,赵志刚^2*

1.兰州大学草地农业科技学院,甘肃兰州 730020;
2.兰州大学草地农业生态系统国家重点实验室,甘肃兰州 730020;
3.中国农业科学院兰州畜牧与兽药研究所,甘肃兰州730000;
4.兰州城市学院城市生态与环境生物技术中心,甘肃兰州 730070;
5.兰州市园林科学研究所,甘肃兰州730006;
6.兰州理工大学生命科学与工程学院,甘肃兰州730000

出版日期:2013-06-20 发布日期:2013-06-20
通讯作者: E-mail:zhaozhg@lzu.edu.cn
作者简介:lll09@lzuedu.cn
基金资助:
国家自然科学基金项目(30900162,30960060,31160118)和地区基金(30960066)资助。

A study on the attractive function of different floral structures in Trollius ranunculoides (Ranunculaceae)

A study on the attractive function of different floral structures in Trollius ranunculoides (Ranunculaceae)
LIU Le-le^1,2,5, YANG Xiao³, GAO Tian-peng⁴, ZHANG Zhao-hua², LIU Zuo-jun⁶, ZHAO Zhi-gang²
(1.College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou 730020,China;
2.State Key Laboratory of Grassland Agro-Ecosystem, Lanzhou University, Lanzhou 730020,
China; 3.Lanzhou Institute of Animal Sciences and Veterinary Pharmaceutics, Chinese
Academy of Agriculture Science, Lanzhou 730000, China; 4.Centre of Urban Ecology
and Environmental Biotechnology, Lanzhou City University, Lanzhou 730070,
China; 5.Institute of Garden Research of Lanzhou, Lanzhou 730006,
China; 6. College of Life Science and Engineering, Lanzhou
University of Technology, Lanzhou 730000, China)

Online:2013-06-20 Published:2013-06-20

摘要/Abstract

摘要： 以青藏高原东部的毛茛状金莲花为实验材料,选择2个不同海拔地点(合作,2 940 m和玛曲,3 530 m),在花蕾期,对植物分别进行去萼,去瓣,去雄处理;并在整个花期连续观察访花昆虫的类别和访花频率。结果表明,去萼和去瓣处理后,蝇类的访花频率在合作(0.033与0.114次/花·min)和玛曲(0.065与 0.133次/花·min),都显著小于对照组;因此花部结构中的萼片、花瓣对蝇类的访花是重要的吸引结构。去萼处理后,蜂类的访花频率在合作(0.266次/花·min)和玛曲(0.006次/花·min)都显著小于对照组;去雄处理后,蜂类的访花频率在合作(0.444次/花·min)与对照组有显著差异,在玛曲(0.010 8次/花·min)则差异不显著;因此,花部结构中的萼片、雄蕊对蜂类访花是重要的吸引结构。两地的所有处理对蚁类的访花频率均无影响,表明毛茛状金莲花各花部结构对蚁类访花没有明显的吸引作用。

Abstract: The attractive function of different floral parts of Trollius ranunculoides was studied in two populations distributed in the east Qinghai-Tibetan Plateau. The sepals, petals, and stamens were separately removed, and the types of visitors and visiting frequency were recorded. After separately removing the sepals and petals, the visiting frequencies of flies in Hezuo (0.033 and 0.114 time/flower·min) and Maqu (0.065 and 0.133 time/flower·min) were significantly less than those of the control, indicating that the sepals and the petals of T. ranunculoides were important structures to attract flies. Furthermore, after separately removing the sepals, the visiting frequencies of bees in Hezuo (0.266 times/flower·min) and Maqu (0.006 times/flower·min) were significantly less than that of the controls. After separately removing the stamens, the visiting frequency of bees in Hezuo (0.444 times/flower·min) was also significantly less than that of the control, but in Maqu (0.010 8 times/flower·min), there was no difference. The sepals and the stamens were important attractive structures for bees. These floral structures were not preferentially visited by ants indicating that they were ineffective in attracting them.

中图分类号:

Q944 文献标识码:A 文章编号:1004-5759(2013)03-0190-06
〖

刘乐乐,杨晓,高天鹏,张兆华,刘左军,赵志刚. 毛茛状金莲花花部结构的吸引功能[J]. 草业学报, 2013, 22(3): 190-.

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