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中国科学院昆明植物研究所知识管理系统
Knowledge Management System of Kunming Institute of Botany,CAS
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6 could use lots of photosynthates, but contributed little to the accumulation of biomass. 4. Photosynthetic rate of P. armeniacum decreased a little at the noon, and the highest photosynthetic rate was observed at 10:00h in the greenhouse. The variation of photosynthetic rate was in the same trend as stomatal conductance. Higher relative humidity seemed to be the key for higher photosynthetic rate in P. armeniacum. 5. The photosynthetic capacity of C. flavum was statistically larger than that of P. armeniacum. The lower leaf photosynthetic capacity of P. armeniacum was related to its lower leaf nitrogen concentration,leaf phosphorus concentration and enzyme activities. Meanwhile, the extremely lower stomatal conductance and internal mesophyll conductance might greatly limit the photosynthetic capacity of P. armeniacum. The lower stomatal conductance and photosynthetic rate of Paphiopedilum might partially caused by the lack of chloroplasts in the guard cell of Paphiopedilum. Compared with C. flavum, P. armeniacum was more fond of shade environment.6. The short longevity leaf of Cypripedium had bigger photosynthetic capacity and greater potential for fast growth. But the longer LL of Paphiopedilum enhanced nutrient conservation which could compensate its lower photosynthetic capacity. The short longevity leaf of Cypripedium usually had higher photosynthetic rate per unit leaf mass and dark respiration rate, and photosynthetic capacity decreased fast with leaf age. However, for Paphiopedilum, the situation was the opposite. 7. Compared with Cypripedium, Paphiopedilum had higher water use efficiency and lower photosynthetic nitrogen use efficiency. 8. The leaf of Paphiopedilum had higher leaf construction cost and longer repayment time than that of Cypripedium. The leaf structures and physiological functions of Paphiopedilum and Cypripedium reflected the adaptation to their habitats. The leaf morphological and physiological evolution of Paphiopedilum was related to water and resource-conserving traits in the karst habitat. The leaf traits of Cypripedium were the adaptation to the environment rich in water and nutrients but easy to change with seasons.Our results provided evidence of divergent evolution of congeneric orchids under natural 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Research Foundation of Guizhou University[201309]","jscount":"1","jsurl":"/simple-search?field1=all&field=dc.project.fundingorganization_filter&advanced=false&query1=Botanical%2BIndustry&&fq=dc.project.title_filter%3AScience%5C+Research%5C+Foundation%5C+of%5C+Guizhou%5C+University%5C%5B201309%5C%5D"},{"jsname":"Science and Technology Foundation of Guizhou Province[[2017]2511-1]","jscount":"1","jsurl":"/simple-search?field1=all&field=dc.project.fundingorganization_filter&advanced=false&query1=Botanical%2BIndustry&&fq=dc.project.title_filter%3AScience%5C+and%5C+Technology%5C+Foundation%5C+of%5C+Guizhou%5C+Province%5C%5B%5C%5B2017%5C%5D2511%5C-1%5C%5D"},{"jsname":"Scientific Research Foundation for the Bring in the Talent of Guangzhou University[69-18ZX10346]","jscount":"1","jsurl":"/simple-search?field1=all&field=dc.project.fundingorganization_filter&advanced=false&query1=Botanical%2BIndustry&&fq=dc.project.title_filter%3AScientific%5C+Research%5C+Foundation%5C+for%5C+the%5C+Bring%5C+in%5C+the%5C+Talent%5C+of%5C+Guangzhou%5C+University%5C%5B69%5C-18ZX10346%5C%5D"},{"jsname":"Strategic Priority Research Program of Chinese Academy of Sciences[XDA19050301]","jscount":"1","jsurl":"/simple-search?field1=all&field=dc.project.fundingorganization_filter&advanced=false&query1=Botanical%2BIndustry&&fq=dc.project.title_filter%3AStrategic%5C+Priority%5C+Research%5C+Program%5C+of%5C+Chinese%5C+Academy%5C+of%5C+Sciences%5C%5BXDA19050301%5C%5D"},{"jsname":"Strategic Priority Research Program of Chinese Academy of Sciences[XDA19050303]","jscount":"1","jsurl":"/simple-search?field1=all&field=dc.project.fundingorganization_filter&advanced=false&query1=Botanical%2BIndustry&&fq=dc.project.title_filter%3AStrategic%5C+Priority%5C+Research%5C+Program%5C+of%5C+Chinese%5C+Academy%5C+of%5C+Sciences%5C%5BXDA19050303%5C%5D"},{"jsname":"Strategic Priority Research Program of Chinese Academy of Sciences[XDA20050204]","jscount":"1","jsurl":"/simple-search?field1=all&field=dc.project.fundingorganization_filter&advanced=false&query1=Botanical%2BIndustry&&fq=dc.project.title_filter%3AStrategic%5C+Priority%5C+Research%5C+Program%5C+of%5C+Chinese%5C+Academy%5C+of%5C+Sciences%5C%5BXDA20050204%5C%5D"},{"jsname":"This thesis deals with the research work on the chemical constituents of Camellia taliensis, Camellia pachyandra, Camellia oleifera, Metapanax delavayi , Pu-er tea (Camellia sinensis var. assamica) and one of the dominant microorganisms in the post-fermentation of Pu-er tea, Aspergillus japonicus var. japonicus through the systematic phytochemical methods. By the modern techniques of chromatography, spectroscopy along with chemical degradation methods, 107 compounds were isolated and identified by MS, 1D and 2D NMR spectra along with other spectroscopic method along with chemical degradation. The compounds include hydrolysable tannins, flavan-3ols, flavonoid glycosides, triterpene glycosides, simple phenolics and so on, most of which were evaluated by antioxidant or anti-viral activities. Meantime, the HPLC analytical methods were applied to compare the chemical constituents of C. taliensis and C. pachyandra with with those of the cultivated tea, C. sinensis var. assamica. Above all, the detection methods were established for the analysis of tea polyphenols, tea polysaccharides, caffeine and the main polyphenolic constituents in tea. And finally, the progress of the research work on Pu-er tea was reviewed.","jscount":"1","jsurl":"/simple-search?field1=all&field=dc.project.fundingorganization_filter&advanced=false&query1=Botanical%2BIndustry&&fq=dc.project.title_filter%3AThis%5C+thesis%5C+deals%5C+with%5C+the%5C+research%5C+work%5C+on%5C+the%5C+chemical%5C+constituents%5C+of%5C+Camellia%5C+taliensis%2C%5C+Camellia%5C+pachyandra%2C%5C+Camellia%5C+oleifera%2C%5C+Metapanax%5C+delavayi%5C+%2C%5C+Pu%5C-er%5C+tea%5C+%5C%28Camellia%5C+sinensis%5C+var.%5C+assamica%5C%29%5C+and%5C+one%5C+of%5C+the%5C+dominant%5C+microorganisms%5C+in%5C+the%5C+post%5C-fermentation%5C+of%5C+Pu%5C-er%5C+tea%2C%5C+Aspergillus%5C+japonicus%5C+var.%5C+japonicus%5C+through%5C+the%5C+systematic%5C+phytochemical%5C+methods.%5C+By%5C+the%5C+modern%5C+techniques%5C+of%5C+chromatography%2C%5C+spectroscopy%5C+along%5C+with%5C+chemical%5C+degradation%5C+methods%2C%5C+107%5C+compounds%5C+were%5C+isolated%5C+and%5C+identified%5C+by%5C+MS%2C%5C+1D%5C+and%5C+2D%5C+NMR%5C+spectra%5C+along%5C+with%5C+other%5C+spectroscopic%5C+method%5C+along%5C+with%5C+chemical%5C+degradation.%5C+The%5C+compounds%5C+include%5C+hydrolysable%5C+tannins%2C%5C+flavan%5C-3ols%2C%5C+flavonoid%5C+glycosides%2C%5C+triterpene%5C+glycosides%2C%5C+simple%5C+phenolics%5C+and%5C+so%5C+on%2C%5C+most%5C+of%5C+which%5C+were%5C+evaluated%5C+by%5C+antioxidant%5C+or%5C+anti%5C-viral%5C+activities.%5C+Meantime%2C%5C+the%5C+HPLC%5C+analytical%5C+methods%5C+were%5C+applied%5C+to%5C+compare%5C+the%5C+chemical%5C+constituents%5C+of%5C+C.%5C+taliensis%5C+and%5C+C.%5C+pachyandra%5C+with%5C+with%5C+those%5C+of%5C+the%5C+cultivated%5C+tea%2C%5C+C.%5C+sinensis%5C+var.%5C+assamica.%5C+Above%5C+all%2C%5C+the%5C+detection%5C+methods%5C+were%5C+established%5C+for%5C+the%5C+analysis%5C+of%5C+tea%5C+polyphenols%2C%5C+tea%5C+polysaccharides%2C%5C+caffeine%5C+and%5C+the%5C+main%5C+polyphenolic%5C+constituents%5C+in%5C+tea.%5C+And%5C+finally%2C%5C+the%5C+progress%5C+of%5C+the%5C+research%5C+work%5C+on%5C+Pu%5C-er%5C+tea%5C+was%5C+reviewed."},{"jsname":[61201321016],"jscount":"1","jsurl":"/simple-search?field1=all&field=dc.project.fundingorganization_filter&advanced=false&query1=Botanical%2BIndustry&&fq=dc.project.title_filter%3A%5C%5B61201321016%5C%5D"},{"jsname":"lastIndexed","jscount":"2024-04-25"}],"资助项目","dc.project.title_filter")'>
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