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Comparison of floral properties and breeding system in dimorphic Buddleja delavayi (Scrophulariaceae)
Chen, Gao; Gong, Wei-Chang; Ge, Jia; Niu, Yang; Zhang, Xin; Dunn, Bruce L.; Sun, Wei-Bang; Sun,WB (reprint author),Chinese Acad Sci,Kunming Inst Bot,Kunming Bot Garden,Kunming 650204,Peoples R China.; wbsun@mail.kib.ac.cn
2015-03-01
Source PublicationJOURNAL OF SYSTEMATICS AND EVOLUTION
Volume53Issue:2Pages:196-202
AbstractIn this study, floral color, scent composition and emission rate, nectar property, pollinators, and breeding system of dimorphic Buddleja delavayi Gagnep. were investigated. Flower color of B. delavayi was determined using a standard color chart and spectrophotometer, and two distinct color polymorphisms were observed having purple or white flowers. Floral scents of B. delavayi were collected using dynamic headspace adsorption and identified with coupled gas chromatography and mass spectrometry. In total, 28 compounds were identified from the flowers of B. delavayi. The identified scents were divided into three chemical classes based on their biosynthetic origin: terpenes, fatty acid derivatives, and benzenoids. The scent profiles in all individuals were dominated by a few components, such as lilac aldehyde and alcohol, 4-oxoisophorone, benaldehyde, and oxoisophorone oxide. Floral scent composition (benzenoids and terpenes) showed a significant difference between white and purple flower morphs. Flower color-flower scent associations in B. delavayi were identified with two distinct scent profiles in the two color phenotypes. The studies of other floral characteristics (nectar, floral visitors, breeding system, and fruit set) indicated that floral scent emission rate, nectar volume, visitor visitation frequency, and natural fruit set were not significantly different between the two flower color morphs. Bagging experiments revealed that seed production of B. delavayi is dependent mainly on honeybee Apis cerana. Lastly, this study implies that dimorphic floral color in B. delavayi may have been maintained by floral visitors and nectar guide color.
KeywordBreeding System Buddleja Delavayi Floral Scent Lilac Aldehyde Nectar Spectrophotometer
Subject AreaPlant Sciences
DOI10.1111/jse.12123
Indexed BySCI
Language英语
WOS Research AreaPlant Sciences
WOS SubjectPlant Sciences
WOS IDWOS:000351686000007
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Document Type期刊论文
Identifierhttp://ir.kib.ac.cn/handle/151853/19354
Collection资源植物与生物技术所级重点实验室
Corresponding AuthorSun,WB (reprint author),Chinese Acad Sci,Kunming Inst Bot,Kunming Bot Garden,Kunming 650204,Peoples R China.; wbsun@mail.kib.ac.cn
Recommended Citation
GB/T 7714
Chen, Gao,Gong, Wei-Chang,Ge, Jia,et al. Comparison of floral properties and breeding system in dimorphic Buddleja delavayi (Scrophulariaceae)[J]. JOURNAL OF SYSTEMATICS AND EVOLUTION,2015,53(2):196-202.
APA Chen, Gao.,Gong, Wei-Chang.,Ge, Jia.,Niu, Yang.,Zhang, Xin.,...&wbsun@mail.kib.ac.cn.(2015).Comparison of floral properties and breeding system in dimorphic Buddleja delavayi (Scrophulariaceae).JOURNAL OF SYSTEMATICS AND EVOLUTION,53(2),196-202.
MLA Chen, Gao,et al."Comparison of floral properties and breeding system in dimorphic Buddleja delavayi (Scrophulariaceae)".JOURNAL OF SYSTEMATICS AND EVOLUTION 53.2(2015):196-202.
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