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题名: Comparison of floral properties and breeding system in dimorphic Buddleja delavayi (Scrophulariaceae)
作者: Chen, Gao; Gong, Wei-Chang; Ge, Jia; Niu, Yang; Zhang, Xin; Dunn, Bruce L.; null(孙卫邦)
刊名: JOURNAL OF SYSTEMATICS AND EVOLUTION
出版日期: 2015-03-01
卷号: 53, 期号:2, 页码:196-202
关键词: breeding system ; Buddleja delavayi ; floral scent ; lilac aldehyde ; nectar ; spectrophotometer
学科分类: Plant Sciences
DOI: 10.1111/jse.12123
通讯作者: Sun,WB (reprint author),Chinese Acad Sci,Kunming Inst Bot,Kunming Bot Garden,Kunming 650204,Peoples R China. ; wbsun@mail.kib.ac.cn
文章类型: Review
英文摘要: In 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.
类目[WOS]: Plant Sciences
研究领域[WOS]: Plant Sciences
关键词[WOS]: POLYMORPHIC HESPERIS-MATRONALIS ; FLOWER COLOR POLYMORPHISM ; MANDUCA-SEXTA ; ARTIFICIAL INFLORESCENCES ; DECEPTIVE ORCHID ; SILENE-LATIFOLIA ; OLFACTORY CUES ; MIMULUS-LUTEUS ; NECTAR GUIDES ; SCENT
收录类别: SCI
项目资助者: National Natural Science Foundation of China [NSFC31100177, U13022149] ; West Doctor Foundation of Chinese Academy of Sciences
语种: 英语
WOS记录号: WOS:000351686000007
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.kib.ac.cn/handle/151853/19354
Appears in Collections:资源植物与生物技术所级重点实验室_期刊论文

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文件名: Chen et al-J Chem Ecol-(2015) (online 26 August).pdf
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