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The functional significance of a stigma color polymorphism in Acer pictum subsp mono (Aceraceae)
Yang, Zhi-Qun; Zhang, Da-Yong; Bai, Wei-Ning
2015
发表期刊JOURNAL OF PLANT ECOLOGY
ISSN1752-9921
卷号8期号:2页码:166-172
摘要Aims Exploring the characteristics and function of a flower color polymorphism contributes to our understanding of floral evolution in angiosperms. However, little information is available on stigma color polymorphisms in flowering plants despite their important functional role in plant reproduction. Methods We studied a stigma color polymorphism at the individual level in Acer pictum subsp. mono (aka A. mono) by investigating stigma-color morph proportion and comparing stigma performance and components of female fitness (pollen adhesion, pollen germination, fruit set, seed set and fruit weight) between the two morphs (red and greenish-yellow stigma) within natural populations at Dongling Mountain in the north of China. In the flowering period, we conducted hand pollination in natural populations and then made microscopic observations using the aniline blue fluorescence method. Important Findings Individuals in the studied populations did not change their stigma color between years, and flowers produced by a single tree were uniform in their stigma color. This strongly suggests that stigma color variation is genetically controlled. The percentage of the red stigma flowers with germinated pollen grains was significantly higher than that of the greenish-yellow stigma flowers when hand pollination was conducted in the early flowering period, but not so in the late flowering period. There was no significant difference in the percentage of flowers with pollen adhesion to the stigma between the two morphs. Fruit set of the red morph was significantly higher than that of the greenish-yellow morph. Our findings suggest that the red morph may be more advantageous for pollen germination and fruit set than the greenish-yellow morph, which may provide a functional explanation for the high incidence of the red stigma morph in the studied populations. Alternative explanations for the stigma color polymorphism are discussed to stimulate further work.
关键词Acer female fitness stigma color polymorphism stigma performance
学科领域Plant Sciences ; Ecology ; Forestry
DOI10.1093/jpe/rtv018
收录类别SCI
语种英语
WOS关键词FLOWER-COLOR ; POLLINATOR ATTRACTION ; REPRODUCTIVE SUCCESS ; SWEET CHERRY ; SELECTION ; CONSEQUENCES ; PLANT ; L. ; TEMPERATURE ; POPULATIONS
WOS研究方向Science Citation Index Expanded (SCI-EXPANDED)
WOS记录号WOS:000354703600010
出版者OXFORD UNIV PRESS
Special IssueSI
文献子类Article
出版地OXFORD
EISSN1752-993X
资助机构National Natural Science Foundation of China [41371073, 31421063]
作者邮箱baiwn@bnu.edu.cn
作品OA属性Bronze
引用统计
被引频次:8[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ibcas.ac.cn/handle/2S10CLM1/25648
专题系统与进化植物学国家重点实验室
作者单位1.[Yang, Zhi-Qun
2.Zhang, Da-Yong
3.Beijing Normal Univ, Minist Educ, Key Lab Biodivers Sci & Ecol Engn, Coll Life Sci, Beijing 100875, Peoples R China
4.Chinese Acad Sci, Inst Bot, State Key Lab Systemat & Evolut, Beijing 100093, Peoples R China
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GB/T 7714
Yang, Zhi-Qun,Zhang, Da-Yong,Bai, Wei-Ning. The functional significance of a stigma color polymorphism in Acer pictum subsp mono (Aceraceae)[J]. JOURNAL OF PLANT ECOLOGY,2015,8(2):166-172.
APA Yang, Zhi-Qun,Zhang, Da-Yong,&Bai, Wei-Ning.(2015).The functional significance of a stigma color polymorphism in Acer pictum subsp mono (Aceraceae).JOURNAL OF PLANT ECOLOGY,8(2),166-172.
MLA Yang, Zhi-Qun,et al."The functional significance of a stigma color polymorphism in Acer pictum subsp mono (Aceraceae)".JOURNAL OF PLANT ECOLOGY 8.2(2015):166-172.
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