Reciprocal herkogamy promotes disassortative mating in a distylous species with intramorph compatibility
Zhou, Wei1,2; Barrett, Spencer C. H.3; Wang, Hong1; Li, De-Zhu1,2; Li,DZ (reprint author),Chinese Acad Sci,Kunming Inst Bot,Key Lab Plant Divers & Biogeog East Asia,132 Lanhei Rd,Kunming 650201,Yunnan,Peoples R China.; wanghong@mail.kib.ac.cn; dzl@mail.kib.ac.cn
2015-06-01
发表期刊NEW PHYTOLOGIST
卷号206期号:4页码:1503-1512
摘要Mating patterns in heterostylous species with intramorph compatibility have the potential to deviate from symmetrical disassortative mating owing to ecological and reproductive factors influencing pollen dispersal. Here, we investigate potential and realized patterns of mating in distylous Luculia pinceana (Rubiaceae), a species with intramorph compatibility. Our analysis provides an opportunity to test Darwin's hypothesis that reciprocal herkogamy promotes disassortative pollen transfer. We combined measurements of sex-organ reciprocity and pollen production to predict potential pollen transfer and mating patterns in a population from SW China. Marker-based paternity analysis was then used to estimate realized patterns of disassortative and assortative mating at the individual and floral morph levels. Both potential and realized mating patterns indicated a significant component of disassortative mating, satisfying theoretical conditions for the maintenance of floral dimorphism. Levels of assortative mating (37.7%) were significantly lower than disassortative mating (62.3%), but numerous offspring resulting from intramorph mating were detected in the majority of maternal seed families in both floral morphs. Our results provide empirical support for Darwin's cross-promotion hypothesis on the function of reciprocal herkogamy, but indicate that in most heterostylous species strong diallelic incompatibility may be a general requirement for complete disassortative mating.
关键词Disassortative Mating Distyly Luculia Pinceana Paternity Analysis Pollination Reciprocal Herkogamy
资助信息National Key Basic Research Program of China [2014CB954100]; National Natural Science Foundation of China [31320103919, 31200289]; Key Research Program of the Chinese Academic of Sciences [KJZD-EW-L07]; Natural Science Foundation of Yunnan Province [2012FB182]; Natural Sciences and Engineering Research Council of Canada
学科领域Plant Sciences
DOI10.1111/nph.13326
收录类别SCI
语种英语
WOS研究方向Plant Sciences
WOS类目Plant Sciences
WOS记录号WOS:000354257400028
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文献类型期刊论文
条目标识符http://ir.kib.ac.cn/handle/151853/21149
专题中国科学院东亚植物多样性与生物地理学重点实验室
通讯作者Li,DZ (reprint author),Chinese Acad Sci,Kunming Inst Bot,Key Lab Plant Divers & Biogeog East Asia,132 Lanhei Rd,Kunming 650201,Yunnan,Peoples R China.; wanghong@mail.kib.ac.cn; dzl@mail.kib.ac.cn
作者单位1.Chinese Acad Sci, Kunming Inst Bot, Key Lab Plant Divers & Biogeog East Asia, Kunming 650201, Yunnan, Peoples R China
2.Chinese Acad Sci, Kunming Inst Bot, Plant Germplasm & Genom Ctr, Germplasm Bank Wild Species, Kunming 650201, Yunnan, Peoples R China
3.Univ Toronto, Dept Ecol & Evolutionary Biol, Toronto, ON M5S 3B2, Canada
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Zhou, Wei,Barrett, Spencer C. H.,Wang, Hong,et al. Reciprocal herkogamy promotes disassortative mating in a distylous species with intramorph compatibility[J]. NEW PHYTOLOGIST,2015,206(4):1503-1512.
APA Zhou, Wei.,Barrett, Spencer C. H..,Wang, Hong.,Li, De-Zhu.,Li,DZ .,...&dzl@mail.kib.ac.cn.(2015).Reciprocal herkogamy promotes disassortative mating in a distylous species with intramorph compatibility.NEW PHYTOLOGIST,206(4),1503-1512.
MLA Zhou, Wei,et al."Reciprocal herkogamy promotes disassortative mating in a distylous species with intramorph compatibility".NEW PHYTOLOGIST 206.4(2015):1503-1512.
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