FLORAL NECTAR COMPOSITION OF AN OUTCROSSING BEAN SPECIES MUCUNA SEMPERVIRENS HEMSL (FABACEAE)
Liu, Tao1; Shah, Amin2; Zha, Hong-Guang3; Mohsin, Muhammad4; Ishtiaq, Muhammad5
2013-12-01
发表期刊PAKISTAN JOURNAL OF BOTANY
卷号45期号:6页码:2079-2084
摘要Mucuna sempervirens is a perennial woody climber belonging to family Fabaceae. Hand pollination experiments have proved it to be an out crossing species. In the present study, the chemical composition of M sempervirens's floral nectar was analysed. Concentrations of sugars, proteins, phenolics, and hydrogen peroxide were determined through spectrophotometry. Free amino acids were identified and quantified, among which aspartic acid was the most abundant. GC-MS analysis showed that aromatic compounds were responsible for the nectar scent which lacked sulphur compounds. ICP-AES analysis determined calcium to be the nectar's major inorganic ion. The presence of high levels of hydrogen peroxide in the nectar might serve as defence against invading microorganisms. Phenolics may act as to repel nectar thieves repeller or serve a defensive function. Our findings show that M sempervirens's pollination system is different from other neotropical Mucuna species. Analysis of these differences may help to better understand how Asian Mucuna species adapted and coevolved with pollinators.
收录类别SCI
语种英语
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文献类型期刊论文
条目标识符http://ir.kib.ac.cn/handle/151853/19251
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
作者单位1.Yunnan Agr Univ, Fac Agron & Biotechnol, Kunming 650201, Yunnan, Peoples R China
2.Univ Sargodha, Dept Biol Sci, Sargodha, Pakistan
3.Chinese Acad Sci, Kunming Inst Bot, Key Lab Biodivers & Biogeog, Kunming 650204, Peoples R China
4.UET Lahore, Dept Text Engn, Lahore, Pakistan
5.MUST, Dept Bot, Azad Kashmir, Pakistan
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Liu, Tao,Shah, Amin,Zha, Hong-Guang,et al. FLORAL NECTAR COMPOSITION OF AN OUTCROSSING BEAN SPECIES MUCUNA SEMPERVIRENS HEMSL (FABACEAE)[J]. PAKISTAN JOURNAL OF BOTANY,2013,45(6):2079-2084.
APA Liu, Tao,Shah, Amin,Zha, Hong-Guang,Mohsin, Muhammad,&Ishtiaq, Muhammad.(2013).FLORAL NECTAR COMPOSITION OF AN OUTCROSSING BEAN SPECIES MUCUNA SEMPERVIRENS HEMSL (FABACEAE).PAKISTAN JOURNAL OF BOTANY,45(6),2079-2084.
MLA Liu, Tao,et al."FLORAL NECTAR COMPOSITION OF AN OUTCROSSING BEAN SPECIES MUCUNA SEMPERVIRENS HEMSL (FABACEAE)".PAKISTAN JOURNAL OF BOTANY 45.6(2013):2079-2084.
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