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Table of Content
25 June 2002, Volume 24 Issue 03
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  • Articles
    The Constituents of Volatile Oil from Ilex Kudincha
    YANG Xiao-Sheng,ZHAO Chao,ZHOU Xin,LUO Bo,YANG Fu-Mei,HAO Xiao-Jiang
    2002, 24(03):  1-3. 
    Abstract ( 2834 )   HTML ( )   PDF (100KB) ( 1465 )   Save
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    Eighty-six chemical constituents of Ilex kudincha C.J.Tseng were identified by GC/MS.The main constituents were long-chain alkyl compounds like ethyl hexadecanoicate,methyl hexadecanoicate and phytol,and aromatic compounds like ethyl benzoate and eugenol
    A New Glycoside from Magnolia rostrata
    DENG Shi-Ming,DAI Hao-fU,ZHOU Jun
    2002, 24(03):  1-3. 
    Abstract ( 2751 )   HTML ( )   PDF (163KB) ( 1530 )   Save
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    A new glycoside,1,1-dibenzene-6,8,9-trihydroxy-3-allyl-4-O-βD-glucopyranoside(1)and six known glycosides,3,4-dihydroxy-alllylbenzene-3-O-α-L-rhamnopyranosyl(1→6)β-D-glucopyranoside(2).
    Chemical Constituents from Phytolacca polyandra
    XIONG Jiang,ZHOU Jun,DAI Hao-Fu,TAN Ning-Hua,DING Zhong-Tao
    2002, 24(03):  1-3. 
    Abstract ( 2501 )   HTML ( )   PDF (179KB) ( 1761 )   Save
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    There are four species in the genus Phytolacca in China.The roots of P.acinosa and P.americana have been used as a Chinese medicine for the treatment of edema,bronchitis and tumors.A new cyclic dipeptide and a mixture of other two cyclic dipeptide were isolated together with α-spinasterol and α-spinasteryl 3-O-β-D-glucopyranoside from the ethanol extract of the roots of Phytolacca polyandra.
    Two-Dimensional Polyacrylamide Gel Electrophoresis Analysis of Proteins from Albino-Green Chimeric Leaves of Iris japonica
    HU Jin-Yong,ZENG Ying,SANG YU-Ying
    2002, 24(03):  1-3. 
    Abstract ( 2606 )   HTML ( )   PDF (487KB) ( 1502 )   Save
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    Proteins extracted from albino-green chimeric leaves of Iris japonica were separated by two-dimensional polyacrylamide gel electrophoresis and relative molecular weights and isoelectric points were determined.
    A Preliminary Study on the Introduction and Cultivation
    GUAN Kai-Yun,LI Zhi-Jian,LI Jing-Xiu, KUANG Jian
    2002, 24(03):  1-3. 
    Abstract ( 2559 )   HTML ( )   PDF (133KB) ( 1861 )   Save
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    Some species and culltivars of Clematis L.were introduced and cultivated.They were divided into three groups according to the different flower branch growth position.Seed propagation on Cl.ranunculoides showed the vernalized seeds sowed in soil had the best germination rate up to 71 percent.
    Chromosome Numbers in Ten Species in the Gesneriaceae from Yunnan
    LU Yuan-Xue,SUN Xian-Feng,ZHOU Qi-Xing,GU Zhi-Jian
    2002, 24(03):  1-3. 
    Abstract ( 2691 )   HTML ( )   PDF (475KB) ( 1617 )   Save
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    In the present paper,the chromosome numbers of the species of Gesneriaceae from Yunnan,China are reported for the first time.The results are formulated as follows:in Aeschynanthus bracteatus,a population of A.buxifolius,Hemiboea cavaleriei,Lysionotus pauciflorus and Petrocosmea barfata,2n=32;in Chirita dielsii,Ch.macrophylla,Ch.speciosa2n=18;in Orescharis ausea,2n=34;in Corallodiscus flabellatus 2n=40;Atetraploidy chromosome number(2n=64)was also found in another population of A.buxifolius.
    Approach to the Withering Mechanism of Rape Filaments
    YANG Shi-Xiong,ZHOU Shan-Zi
    2002, 24(03):  1-3. 
    Abstract ( 2341 )   HTML ( )   PDF (130KB) ( 1301 )   Save
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    Withering mechanism in rape filaments was detected in this note by anatomical method.The result showed that the water transport was conducted by spiral,with few annular,vessels and tracheids,which were elongated and broken as the extension of filaments.
    Floral Nectaries in Swertia:Anatomy and Morphology
    XUE Chun-Ying,HE Ting-Nong,LI De-Zhu
    2002, 24(03):  1-3. 
    Abstract ( 2648 )   HTML ( )   PDF (2293KB) ( 1350 )   Save
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    The morphology of floral nectaries in 10 sections,30 species of Swertia L.was examined through scanning electron microscopy(SEM).Furthermore the anatomy of nectaries of 11 species,representing 10 sections has been investigated through light microscopy(LM).It was shown that the morphologies of nectaries present a remarkabie diversity in number,shape and in the details of their opening and fimbriation,but they changed progressively and no interval in sections.
    Karyotypes of Five Species in Cycas
    TIAN Bo,GONG Xun,ZHANG Qi-Tai
    2002, 24(03):  1-3. 
    Abstract ( 2938 )   HTML ( )   PDF (851KB) ( 1406 )   Save
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    In present paper,the chromosome numbers and karyomorphology of five species in Cycas L.are reported for the first time except for that of C.multipinata.Their karyotypes are formulated followings;C.diannanensis:K(2n)=2x=22=2m+4sm+4st+12T;C.tanqingii:K(2n)=2x=22=2m+8sm+2st+10T;
    The Applications of GFP as a Reporter Gene in Rice Genetic Transformation
    CHENG Zai-Quan,DING Yu-Mei,ZENG Li-Qun,HUANG Xing-Qi,WU Ray
    2002, 24(03):  1-3. 
    Abstract ( 3869 )   HTML ( )   PDF (1994KB) ( 3152 )   Save
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    In this study,a plasmid pJPM5 containing modified GFPgene which encode the green fluorescent protein(GFP)was constructed.Microprojectile bombardment was used to separately introduce two plasmids pJPM5 and pSBG700 into rice TNG67 calli.
    Systematic Position of the Genus Mastixia:Evidence from rbcL Gene Sequences
    LI Yao-Li,ZHU Hua,YANG Jun-Bo
    2002, 24(03):  1-3. 
    Abstract ( 2809 )   HTML ( )   PDF (779KB) ( 1421 )   Save
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    In order to reveal the phylogenetic position of Mastixia,the rbcL sequences of two species of Mastixia(M.pentandra ssp.chinensis and M.euonymoides)and other two possible close affinities Nyssa yunnanensis and Alangium kurzii were sequenced.PAUP analysis was made based on our sequences and some other rbcL sequences of taxa of Cornaceae sensu lato and some families,which Mastixia was ever placed in,from Gene Bank database.
    Nod Factors(Lipo-Chito-Oligosaccharides)Research Pessrogr
    LIAN Bin,LIU Cong-Qiang,Donald L.Smith
    2002, 24(03):  1-3. 
    Abstract ( 2555 )   HTML ( )   PDF (1533KB) ( 1619 )   Save
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    Nod factors are a novel general class of signal molecules produced by rhizobia,which play a key function in the initial steps of nodulation.Research has shown that different substitutions on a lipochito oligosacchride(LCO)backbone play a role in deciding the specificity between bacteria and the host plants.The nod genes of rhizobia,which contain the genetic basis for this structural variety,include a set of nodulation genes encoding the enzymes that synthesize LCOs.
    Establishment of A Universal Inner Positive Control for PCR Detection of Genetically Modified Ingredient in Plants
    QUAN Jie-Xia,ZHANG Yi-Bing,CHEN Chang-Fa,LIANG Cheng-Zhu,WEI Xiao-Tang
    2002, 24(03):  1-3. 
    Abstract ( 3011 )   HTML ( )   PDF (1355KB) ( 1793 )   Save
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    In the present study,a primer-pair for the amplification of rbcL433bp fragment was designed.In order to find out whether this primer-pair can be used as inner positive control for PCR detection of genetically modified ingredient in most plants,it wqs used to amplify DNA from 23 various plant species including monocotyledon(Allium cepa,Triticum aestivum,Zea mays,Oryzasativa),dicotyledon in Archichlamydeae(Brassica oleracea,Brassica pekinensis,Glycine max,Vigna unguiculata,Arachis hypogaea,Daucus carota,Apium graveolens,Spinacia oleracea,Cannabis sativa,Gossypium hirsutum)
    A Liverwort Species of Genus Horikawaella(Hepaticae)Is Found in China
    SUN Jun,CAO Tong,GAO Qian
    2002, 24(03):  1-3. 
    Abstract ( 2561 )   HTML ( )   PDF (106KB) ( 1284 )   Save
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    Horikawaella subacuta(Herz.)Hatt.et Amak.,Bryol.Lichenol.5(10-12):164.1971.Anastrophyllum subacutum Herz.,Ann.Bryol.12:75.1939.Cuspidatula subacuta(Herz.)Grolle,J.Jap.Bot.39:175.1964.
    Phylogenetic Relationship of Subgenus Tsutsusi(Rhododendron)Based on ITS Sequences
    GAO Lian-Ming,YANG Jun-Bo,ZHANG Chang-Qin,LI De-Zhu
    2002, 24(03):  1-3. 
    Abstract ( 3088 )   HTML ( )   PDF (265KB) ( 1606 )   Save
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    The sequences of nrDNA internal transcribed spacers(ITS)(including 5.8S rDNA)of 12 species representing 2 sections of Subg.Tsutsusi and 4 species representing 3 sections of Subg.Pentanthera of Rhododendron,were analyzed to reconstruct the phylogeny of Subg.
    Paphiopedilum puberulum,aNew Species of Orchidaceae from Vietnam
    LEI Si-Peng,ZHANG Jian-Yong
    2002, 24(03):  1-3. 
    Abstract ( 2301 )   HTML ( )   PDF (96KB) ( 1313 )   Save
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    Ex affinitate Paphiopedili appletoniani et specierum affinium,ab eis labelli ore longe atropurpureo-ciliato,staminodio suboblongo longiore quam latiore apice mucronato distinctum.
    Study on Plant Communities of Taxus mairei in North Guangdong,China
    LIAO Wen-Bo,SU Zhi-Yao,CUI Da-Fang,CHEN Zhi-Ming,ZHANG Zhi-Quan
    2002, 24(03):  1-3. 
    Abstract ( 2834 )   HTML ( )   PDF (409KB) ( 1436 )   Save
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    The plant community of Taxus mairei in north Guangdong province,China,is a typical,transitionary evergreen broad-leaved forest from the lower sutropics to mid-subtropics,there are nore than 10 rare and endangered state-protected species in the 6500m2 plots.
    A New Species of Begonia(Begoniaceae)from Mt.Huanglianshan of SE Yunnan,China
    SHUI Yu-Min
    2002, 24(03):  1-3. 
    Abstract ( 2973 )   HTML ( )   PDF (90KB) ( 1239 )   Save
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    Herba perennis,decidua,basi tuberifera,tuberibus subglobosis,1 cm diam.Stipulae caducae.Folium 1 basale;lamina glabra et chartacea,late cordata,14-15 cm longa,14-17 cm lata,3-5-fida,basi oblique cordata,lobis longo-acuminatis,margine irregulariter serratis,nervis palmatis,basilaribus 3-5;petioli12-14 cm longi,glabri.
    Tethys Retreat and Himalayas-Hengduanshan Mountains Uplift and Their Significance on the Origin and development of the Sino-Himalayan Elements and Alpine Flora
    SUN Hang
    2002, 24(03):  1-3. 
    Abstract ( 3372 )   HTML ( )   PDF (731KB) ( 2657 )   Save
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    The flora of Himalayas-Hengduanshan Mountains started in late Cretaceous and early Paleogene.Paleobotanical data had showed that the flora of Himalayas-Hengduanshan Mountains was a part of Tethyan Tertiary Flora or evergreen,laurophyll"paleotropical geoflora"in that time.After late Paleogene,along with climate of the Mediterranean gradually become aridity,the laurophyll"paleotropical geoflora"gradually replaced by semiarid or arid flora of the Mediterranean.The Tethyan Tethyan Tertiary Flora was only conserved and developed in E Asian for monsoon climate bringing ample summer rain up to today.
    Dynamics of the Seed Bank of Cyclobalanopsis glaucoides in Cyclobalanopsis glaucoides Forest on the Xishan Mountain in Kunming
    SU Wen-Hua,ZHANG Guang-Fei
    2002, 24(03):  1-3. 
    Abstract ( 2714 )   HTML ( )   PDF (212KB) ( 1553 )   Save
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    Dynamics of the seed bank of Cyclobalanopsis glaucoides was studied with random sampling and burying seeds in C.glaucoides forest on the Xishan Mountain in Kunming.Insects laid their eggs inside young seeds,When eggs developed into worms,they ate inside seeds and caused 71.8% of seed bank above ground to lose their germination power.Most of seeds in the seed band above ground were obtained gradually by seed rain,among them 48.55% were eaten by insects,25.36% were carried by organisms or non-organisms,17.39% were decayed,8.7% were foraged by rodents and no seed germinated.All factors affected dynamics of the seed are variable seasonally.Soil provided with a safe enviroment for seed germination.Through observation of seeds which were buried by us,we found that the seeds in soil will last more than 250 days without obvious change and not germination until rain season next year.