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题名: Reciprocal herkogamy promotes disassortative mating in a distylous species with intramorph compatibility
作者: Zhou, Wei1, 2; Barrett, Spencer C. H.3; null(王红)1; null(李德铢)1, 2
刊名: NEW PHYTOLOGIST
出版日期: 2015-06-01
卷号: 206, 期号:4, 页码:1503-1512
关键词: disassortative mating ; distyly ; Luculia pinceana ; paternity analysis ; pollination ; reciprocal herkogamy
学科分类: Plant Sciences
DOI: 10.1111/nph.13326
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
文章类型: Article
英文摘要: 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.
类目[WOS]: Plant Sciences
研究领域[WOS]: Plant Sciences
关键词[WOS]: CRYPTIC SELF-INCOMPATIBILITY ; EICHHORNIA-PANICULATA PONTEDERIACEAE ; DECODON-VERTICILLATUS LYTHRACEAE ; PALICOUREA-PADIFOLIA RUBIACEAE ; LUCULIA-GRATISSIMA RUBIACEAE ; CORDATA L PONTEDERIACEAE ; TROPICAL CLOUD FOREST ; HETEROMORPHIC INCOMPATIBILITY ; POLLEN TRANSFER ; ADAPTIVE SIGNIFICANCE
收录类别: SCI
项目资助者: 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
语种: 英语
WOS记录号: WOS:000354257400028
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.kib.ac.cn/handle/151853/21149
Appears in Collections:中国科学院东亚植物多样性与生物地理学重点实验室_期刊论文

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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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