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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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0.05). For some populations, germination capacity in 12-h photoperiod was significantly higher than that in completed darkness（W-FD: P < 0.01, W-JD: P < 0.05）.Genetic variation within and among six populations was assessed using AFLP markers. Genetic diversity was higher at species level (PPL = 69.19%, HE = 0.221) than at population level (PPL = 26.22%, HE = 0.095, Is =0.140), and populations in southeast Yunnan were strongly differentiated from those in southwest Yunnan (Nei’s GST = 0.575; FST = 0.655). UPGMA analysis demonstrated a clear genetic division between the two populations from DeHong (SW Yunnan; D-JD and D-HG) and the four from WenShan (SE Yunnan; W-FD, W-LH, W-ML, and W-MG). Within-population genetic variation was significantly correlated with population isolation (r(PPL) = -0.94, P = 0.006; r(HE) = -0.85, P = 0.032; r(Is) = -0.87, P = 0.025), but not with population size (r(PPL) = 0.63, P = 0.178; r(HE) = 0.54, P = 0.268; r(Is) = 0.56, P = 0.249).","jscount":"1","jsurl":"/simple-search?field1=all&rpp=10&accurate=false&advanced=false&sort_by=2&isNonaffiliated=false&search_type=-1&query1=Pollen%2BProduction&order=desc&&fq=dc.project.title_filter%3ACraigia%5C+yunnanensis%5C+W.%5C+W.%5C+Smith%5C+%5C%26%5C+W.%5C+E.%5C+Evans%5C+%5C%28Tiliaceae%5C%29%5C+is%5C+an%5C+endangered%5C+deciduous%5C+tree%5C+species%5C+which%5C+has%5C+high%5C+scientific%5C+and%5C+economic%5C+value.%5C+C.%5C+yunnanensis%5C+is%5C+seriously%5C+threatened%5C+and%5C+has%5C+been%5C+pushed%5C+to%5C+the%5C+verge%5C+of%5C+extinction%5C+due%5C+to%5C+vegetation%5C+destruction%5C+in%5C+China%5C+and%5C+consequent%5C+contraction%5C+of%5C+its%5C+distribution.%5C+Hence%2C%5C+it%5C+was%5C+listed%5C+as%5C+a%5C+nationally%5C+rare%5C+and%5C+endangered%5C+plant%5C+in%5C+1999%5C+and%5C+has%5C+also%5C+been%5C+proposed%5C+as%5C+a%5C+second%5C-ranked%5C+plant%5C+for%5C+national%5C+protection%5C+in%5C+China%5C+and%5C+included%5C+in%5C+IUCN%5C+red%5C+list.%5C+As%5C+a%5C+scientifically%5C+important%5C+and%5C+valued%5C+tree%5C+species%5C+with%5C+endangered%5C+status%2C%5C+the%5C+wild%5C+populations%5C+of%5C+C.%5C+yunnanensis%5C+therefore%5C+represent%5C+is%5C+a%5C+genetic%5C+resource%5C+that%5C+must%5C+be%5C+conserved.%5C+To%5C+provide%5C+basic%5C+information%5C+for%5C+its%5C+conservation%2C%5C+the%5C+population%5C+dynamics%5C+and%5C+population%5C+size%5C+structures%2C%5C+pollination%5C+biology%5C+and%5C+breeding%5C+system%2C%5C+eleven%5C+fitness%5C-related%5C+characters%5C+and%5C+the%5C+genetic%5C+variability%5C+based%5C+on%5C+AFLP%5C+were%5C+comprehensively%5C+studied.%5C+The%5C+main%5C+results%5C+are%5C+summarized%5C+as%5C+follows%5C%3A%5C+A%5C+total%5C+of%5C+six%5C+wild%5C+populations%5C+of%5C+C.%5C+yunnanensis%5C+were%5C+found%5C+in%5C+two%5C+disjunct%5C+regions%5C+of%5C+Yunnan%2C%5C+i.e.%5C+WenShan%5C+%5C%28SE%5C+Yunnan%5C%29%5C+and%5C+DeHong%5C+%5C%28SW%5C+Yunnan%5C%29%2C%5C+from%5C+2005%5C+to%5C+2007.%5C+Additionally%2C%5C+in%5C+all%5C+but%5C+one%5C+of%5C+the%5C+populations%5C+we%5C+detected%2C%5C+mature%5C+trees%5C+were%5C+felled%5C+between%5C+2005%5C+and%5C+2007%2C%5C+so%5C+destruction%5C+of%5C+most%5C+of%5C+these%5C+populations%5C+is%5C+ongoing.%5C+Across%5C+the%5C+six%5C+populations%5C+of%5C+extant%5C+C.%5C+yunnanensis%5C+found%5C+during%5C+our%5C+study%2C%5C+the%5C+total%5C+number%5C+of%5C+mature%5C+%5C%28reproductive%5C%29%5C+individuals%5C+detected%5C+was%5C+584%5C+in%5C+2007%EF%BC%8Cplus%5C+larger%5C+numbers%5C+of%5C+seedling%5C+and%5C+resprouts%5C+from%5C+cut%5C+trunks.%5C+The%5C+result%5C+of%5C+surveying%5C+Population%5C+structure%5C+showed%5C+that%5C+there%5C+are%5C+two%5C+regeneration%5C+types%5C+which%5C+are%5C+seedlings%5C+and%5C+sprouts.%5C+Seedlings%5C+occurred%5C+abundantly%5C+in%5C+gaps%5C+or%5C+open%5C+areas%5C+and%5C+the%5C+size%5C+class%5C+frequency%5C+distributions%5C+were%5C+often%5C+discontinuous%2C%5C+and%5C+the%5C+same%5C+general%5C+pattern%5C+occurred%5C+in%5C+all%5C+the%5C+investigated%5C+populations%5C+for%5C+juveniles%5C+and%5C+adults.%5C+The%5C+numbers%5C+of%5C+seed%5C-origin%5C+individuals%5C+did%5C+however%5C+decline%5C+sharply%5C+with%5C+increasing%5C+size%2C%5C+indicating%5C+a%5C+high%5C+mortality%5C+rate%5C+going%5C+from%5C+seedling%5C+to%5C+sapling%5C+stage%5C+may%5C+be%5C+a%5C+problem%5C+for%5C+this%5C+species.%5C+Additionally%2C%5C+the%5C+cash%5C+crop%5C+cultivation%5C+and%5C+logging%5C+seriously%5C+threaten%5C+the%5C+survival%5C+of%5C+the%5C+species.%5C+We%5C+conducted%5C+field%5C+observations%5C+and%5C+artificial%5C+pollination%5C+experiments%5C+on%5C+the%5C+floral%5C+biology%2C%5C+pollination%5C+process%5C+and%5C+breeding%5C+system%5C+of%5C+Craigia%5C+yunnanensis%5C+in%5C+Fadou%2C%5C+Xichou%5C+county%5C+of%5C+Yunnan%5C+province.%5C+The%5C+lifespan%5C+of%5C+a%5C+single%5C+hermaphrodite%5C+flower%5C+is%5C+approximately%5C+3%5C-4%5C+days.%5C+A%5C+cyme%5C+has%5C+2%5C-9%5C+flowered.%5C+The%5C+flowering%5C+period%5C+of%5C+an%5C+inflorescence%5C+is%5C+usually%5C+5%5C-14%5C+days.%5C+The%5C+flowers%5C+of%5C+C.%5C+yunnanensis%5C+were%5C+protandrous.%5C+The%5C+stamens%5C+were%5C+within%5C+petal%5C-like%5C+staminodes%5C+in%5C+the%5C+opening%5C+flowers%5C+until%5C+the%5C+flower%5C+withered.%5C+Without%5C+touchment%2C%5C+the%5C+bractlike%5C+staminodes%5C+can%E2%80%99t%5C+open.%5C+Self%5C-pollination%5C+was%5C+partially%5C+avoided%5C+by%5C+temporal%5C+and%5C+spatial%5C+isolation%5C+of%5C+male%5C+and%5C+female%5C+organs%5C+within%5C+the%5C+same%5C+flower.%5C+However%2C%5C+autogamous%5C+and%5C+geitonogamous%5C+pollination%5C+is%5C+unavoidable%5C+because%5C+of%5C+the%5C+large%5C+number%5C+of%5C+flowers%5C+on%5C+a%5C+single%5C+tree%5C+and%5C+the%5C+action%5C+of%5C+pollinators.%5C+The%5C+values%5C+of%5C+both%5C+OCI%5C+%5C%28%E2%89%A54%5C%29%5C+and%5C+P%5C%2FO%5C+%5C%281381%5C%29%5C+and%5C+the%5C+results%5C+of%5C+bagging%5C+tests%5C+indicated%5C+there%5C+was%5C+no%5C+apomixes%5C+in%5C+C.%5C+yunnanensis%5C+and%5C+the%5C+breeding%5C+system%5C+of%5C+the%5C+species%5C+was%5C+out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TREEPEACE[FP7-339728]","jscount":"1","jsurl":"/simple-search?field1=all&rpp=10&accurate=false&advanced=false&sort_by=2&isNonaffiliated=false&search_type=-1&query1=Pollen%2BProduction&order=desc&&fq=dc.project.title_filter%3AEuropean%5C+Research%5C+Council%5C+through%5C+the%5C+Advanced%5C+Grant%5C+Project%5C+TREEPEACE%5C%5BFP7%5C-339728%5C%5D"},{"jsname":"Japan Society for the Promotion of Science[1264402271]","jscount":"1","jsurl":"/simple-search?field1=all&rpp=10&accurate=false&advanced=false&sort_by=2&isNonaffiliated=false&search_type=-1&query1=Pollen%2BProduction&order=desc&&fq=dc.project.title_filter%3AJapan%5C+Society%5C+for%5C+the%5C+Promotion%5C+of%5C+Science%5C%5B1264402271%5C%5D"},{"jsname":"Keynote Projects of the National Natural Science Foundation of China[40830209]","jscount":"1","jsurl":"/simple-search?field1=all&rpp=10&accurate=false&advanced=false&sort_by=2&isNonaffiliated=false&search_type=-1&query1=Pollen%2BProduction&order=desc&&fq=dc.project.title_filter%3AKeynote%5C+Projects%5C+of%5C+the%5C+National%5C+Natural%5C+Science%5C+Foundation%5C+of%5C+China%5C%5B40830209%5C%5D"},{"jsname":"Major International Joint Research Project of the National Natural Science Foundation of China[31320103919]","jscount":"1","jsurl":"/simple-search?field1=all&rpp=10&accurate=false&advanced=false&sort_by=2&isNonaffiliated=false&search_type=-1&query1=Pollen%2BProduction&order=desc&&fq=dc.project.title_filter%3AMajor%5C+International%5C+Joint%5C+Research%5C+Project%5C+of%5C+the%5C+National%5C+Natural%5C+Science%5C+Foundation%5C+of%5C+China%5C%5B31320103919%5C%5D"},{"jsname":"Medicinal plant resource is one of the most important natural resources. China is well-known in the world for its richness in medicinal plant diversity and use knowledge. Some of the plant resources are developed industrially, while the others maintain the traditional use still. However, the extended resources utilization has caused the dramatic increase in demand and the exhaustion of resources. Thus, it is become one of the most important research topics that how to use medicinal resources rationally without resource depletion and those studies need to be supported by knowledge, information and data of related disciplines. On the bassis of authoritative books, literature searches and field survey, we constructed an herbal information database as an approach for data managing. Along the theme that how medicinal resources (plant species) used in various medicinal systems (traditional Chinese medicine, folk medicine), we developed a database integrating species information, herbal knowledge and usage information of about 10,000 medicinal plants, which have satisfied the data requirement of our study and analysis. In addition, we will shear data for research and decision-making by online database service. Finally, to verify the supporting function of this database in study and decision-making, and to explore new research methods of plant resources sustainable use, we applied research methods used in social statistics, such as logistic regression analysis, discriminant analysis and correspondence analysis. In addition, statistics and the analysis of typical medical systems were developed for studies on the resource usage and its sustainability factors. The data analysis showed as following: (1) Studies about plant resources sustainable utilization needs to be supported by integrated data of related subjects.(2) Applications of traditional medicines increased steadily. There was a substantial increase of Chinese patent medicines documented in each editions of pharmacopoeia, involving about 600-800 species of medicinal plant resources. But the modernization and development of medicinal plant resources have caused the resources depletion and cultivation. And there is a trend that the caltivation supplies the rescources demand (3) Whether plant resource will be depleted or not, is affected by the distribution of plant population, the rehabilitation ability of plants, the damage of human harvesting, and the advance in herb cultivation.(4) There is a considerable proportion of an unreasonable development pattern that cultivation is promoted by resource depletion. Two main reasons caused the exhaustion: lacking investigation in the supply abilities of wild plants and legging of wild species domestication. It is unwise to follow the existing developmental pattern, which will cause more resource depletion and biodiversity damage. Finally, on the basis of our study, we have proposed some reasonable strategies to avoid irrational factors in the herbal resources exploitation: Ø Develop traditional medicines furtherly for new medicinal resources. Ø Protect the plant wild resources and develop cultivation in herbal drug explotation. Ø Establish regulatory agencies and formulate policies of herbal resources development. Ø Continue to improve the database of medicinal plants with integrated 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Research Foundation","jscount":"1","jsurl":"/simple-search?field1=all&rpp=10&accurate=false&advanced=false&sort_by=2&isNonaffiliated=false&search_type=-1&query1=Pollen%2BProduction&order=desc&&fq=dc.project.title_filter%3AMushroom%5C+Research%5C+Foundation"},{"jsname":"NASA[NNX12AK56G]","jscount":"1","jsurl":"/simple-search?field1=all&rpp=10&accurate=false&advanced=false&sort_by=2&isNonaffiliated=false&search_type=-1&query1=Pollen%2BProduction&order=desc&&fq=dc.project.title_filter%3ANASA%5C%5BNNX12AK56G%5C%5D"},{"jsname":"lastIndexed","jscount":"2025-05-12"}],"Funding Project","dc.project.title_filter")'>
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Systematics and Biogeography of Aralia L. (Araliaceae):Revision of Aralia Sects. Aralia, Humiles, Nanae, andSciadodendron
期刊论文
出版物, 3111, 卷号: 57, 期号: 0, 页码: 1-172
Authors:
Jun Wen
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Submit date：2017/07/24
Aralia
Aralia Sect. Aralia
Aralia Sect. Dimorphanthus
Aralia Sect. Humiles
Aralia Sect. Nanae
Aralia Sect. pentapanax
Aralia Sect. Sciadodendron
Biogeography
Araliaceae
Systematics
Evolutionary ecology of plant-plant interactions
期刊论文
出版物, 3111, 页码: 1-144
Authors:
Zuo Z(作者)
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Submit date：2017/07/19
Reproductive Allocation in Plants
期刊论文
Reproductive Allocation in Plants, 3111, 页码: 1—30
Authors:
Shuhei Tanaka
;
Shin-ichiro Kochi
;
Heigo Kunita
;
Shin-ichi Ito
;
Mitsuro Kameya-Iwaki
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Submit date：2017/07/19
Shifting plant phenology in responseto global change
期刊论文
TRENDS in Ecology and Evolution, 3111, 卷号: 22, 页码: 357-365
Authors:
Elsa E. Cleland
;
Isabelle Chuine
;
Annette Menzel
;
Harold A. Mooney
;
Mark D. Schwartz
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The formation and function of plant volatiles: perfumes for pollinator attraction and defense
期刊论文
Physiology and metabolism, 3111, 期号: 0, 页码: 237-243
Authors:
Eran Pichersky
;
Jonathan Gershenzon
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Submit date：2017/07/26
Boron in plants: deficiency and toxicity
期刊论文
出版物, 3111, 期号: 0, 页码: 1—24
Authors:
Juan J. Camacho-Cristóbal
;
Jesús Rexach
;
Agustín González-Fontes
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Submit date：2017/07/21
Data Analysisin Vegetation Ecology
期刊论文
出版物, 3111, 期号: 0, 页码: 1-297
Authors:
Otto Wildi
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Submit date：2017/07/24
The fertilization process in Lithocarpus dealbatus (Fagaceae) and its implication on the sexual reproduction evolution of Fagales
期刊论文
PLANTA, 2023, 卷号: 258, 期号: 2, 页码: 23
Authors:
Yao,Kaiping
;
Deng,Min
;
Lin,Lin
;
Hu,Jinjin
;
Yang,Xiaorui
;
Li,Qiansheng
;
Feng,Zhuo
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Submit date：2024/05/09
Adaptation
Delayed fertilization
Pollen tube growth
Pollination mode
Trait evolution
POLLEN-TUBE GROWTH
ACTING SELF-INCOMPATIBILITY
WIND-POLLINATION
PHYLOGENETIC ANALYSIS
INSECT POLLINATION
EMBRYO DEVELOPMENT
MATING PATTERNS
CASTANEA
BIOLOGY
MORPHOLOGY
Community-wide patterns in pollen and ovule production, their ratio (P/O), and other floral traits along an elevation gradient in southwestern China
期刊论文
BMC PLANT BIOLOGY, 2023, 卷号: 23, 期号: 1, 页码: 425
Authors:
Nepal,Shristhi
;
Trunschke,Judith
;
Ren,Zong-Xin
;
Burgess,Kevin S.
;
Wang,Hong
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Submit date：2024/05/09
Alpine
Floral traits
Ovule number
Phylogeny
Pollen number
Pollen-ovule ratio (P/O)
PHYLOGENETIC SIGNAL
BREEDING SYSTEM
ALTITUDINAL GRADIENT
WIND POLLINATION
MATING SYSTEM
FLOWER SIZE
LIFE FORM
EVOLUTION
PLANT
NUMBER
Does pollinator dependence decrease along elevational gradients?
期刊论文
PLANT DIVERSITY, 2023, 卷号: 45, 期号: 4, 页码: 446-455
Authors:
Xu,Yue-Wen
;
Sun,Lu
;
Ma,Rong
;
Gao,Yong-Qian
;
Sun,Hang
;
Song,Bo
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Submit date：2024/05/09
Global change
Pollen limitation
Pollinator decline
Qinghai-Tibet plateau
Seed production
PLANT REPRODUCTIVE SUCCESS
POLLEN LIMITATION
SELF-FERTILIZATION
INTERACTION NETWORKS
FLOWERING PLANTS
LEAF HERBIVORY
RHEUM-NOBILE
R PACKAGE
ALPINE
EVOLUTION
