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    15 June 1997, Volume 17 Issue 2
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    NEW TAXA OF PUCCINELLIA PARL. FROM XINJIANG
    Cui Da-fang
    1997, 17(2):  121-127. 
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    A NEW SPECIES OF FIMBRISTYLIS FROM YUNNAN
    Qian Yi-yong
    1997, 17(2):  128-129. 
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    SOME NEW GEOGRAPHICAL DISTRIBUTION PLANTS FROM SHAXI
    Zhang Ji-min, Chen Yan-sheng, He Shan-bao, Xu Guang-yuan
    1997, 17(2):  130-135. 
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    17 species,3 varieties,1 subspecies,1 form and 4 genera are reported as the new records to Shanxi province.These species are:Lithocarpus elegans (Bl.) Hatusima ex Soepadmo,Pellionia scabra Benth.,Polygonum microcephalum D.Don,Cerastium wilsonii Takeda,Stellaria neglecta Weihe,Epimedium sutchuenense Franch.,Cinnamomum burmannii (C.G.&Th.Nees) f.heyneanum (Nees) H.W.Li,Lindera pulcherrima (Wall.) Benth.var.attenuata Allen,M illettia dielsiana Harms ex Diels,Euodia sutchuenensis Dode,Daphne gemmata Pritz.ex Diels,Aucuba albo-punctifolia Wang var.angustula Fang et Soong,Osmanthus armatus Diels,Tripterospermum coeruleum (Hand.-M azz.) H.Smith.,Sindechites henyi Oliv.,Incarvillea arguta (Royle) Royle,Asystasiella chinensis (S.M oore) E.Hossain,Strobilanthes tetraspermus (Champ.ex Benth.) Druce,Patrinia villosa (Thunb.) Juss.,Patrinia heterophylla Bge.subsp.angustifolia (Hemsl.) H.J.Wang,Festuca sinensis Keng,Deyeuxia scabrescans (Griseb.) M unro ex Duthie var.humilis (Grisb.) Hook.f..The four new recorded genera are:Asystasiella Lindau,Pellionia Gaud.,Sindechites Oliv.,Strobilanthes Bl..All the specimens concerned in this paper are stored in the Herbarium of Northwestern Institute of Botany (UKG).
    SOME NEW RECORDED PLANTS FROM ANHUI
    Zhang Xiao-ping, Chen Tao, Zhang Guang-fu
    1997, 17(2):  136-140. 
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    18 species (falling into 18 genera,15 families) were firstly reported as new geographical distributional taxa of Anhui province,namely,Piper hancei Maxim,Piper bambusaefolium Tseng,Hilliella fumarioides (Dunn) Y.H.Zhang et H.W.Li.,Hilliella sinuata (Kuan) Y.H.Zhang et H.W.Li,Euchresta trifoliata Merrill,Ilex memecylifolia Champ.,Daphne papyracea Wall.ex Steud.,Myrsine seemiserrata Wall.,Sinojackia renderiana Hu,Marsdenia sinensis Hemel.,Neanotis wightiana (Wall.ex Wight et Arn.) W.H.Kewis,Callicarpa brevipes (Benth) Hance,Paraphlomis reflexa C.Y.Wu et H.W.Li,M eehania henryi (Hemxl.) Sun ex C.Y.Wu,Pertya sinensis Oliv,Curculigo orchioides Caeritn,Amorphophallus varabilis Blume,Malaxis microtantha (Schltr.) Tang et Wang.All the voucher materials are stored in the Herbarium of Anhui Normal University (HAN U).
    TWO NEW FORMA OF CYNOGLOSSUM AMABILE FROM YUNNAN
    Dong Xiao-dong, Zhao Hong, Ma Yu-xin, Xie Hang
    1997, 17(2):  141-142. 
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    A NEW PLANT OF RHODIOLA
    Meng Yan, Tian Jian-jun
    1997, 17(2):  143-143. 
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    A NEW SPECIES OF TYMPANIS
    Song Rui-qing, Xiang Cun-ti, Zhu Tian-bo, Yu Gui-hua, Wen Bao-lian
    1997, 17(2):  144-145. 
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    Reported a new species of Tympanis,Tympanis schimis Song et Xiang sp.nov.The cultural characteristics and ecological habits were described.The typical specimen was stored in the Mycological Herbarium of Northeast Forestry University.
    STUDY ON THE GEOGRAPHICAL COMPOSITION OF THE FLORA OF FOREST VEGETATION OF WUYI IN ZHEJIANG
    Liu Peng, Chen Li-ren, Zhang Chun-da
    1997, 17(2):  146-152. 
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    The paper presented the flora of the forest vegetation of Wuyi,Zhejiang province.These geographical compositions are rich with woody plants,abundant ancient,rare and nearly extinct plants;the temperate region elements and cold subtropical region elements are in the dominant position and the geographical compositions connect widely with the flora of the world.These are 14 distribution-types in Wuyi.East Asia、Pantropic、East Asia-North America discontinuesly distributions contain more genera and the Mediterranean.West to Central Asia.Temperate Asia and Cosmopolitan distributions are in less genera.
    THE BIOLOGY FEATURES AND CONSERVATION OF ELAEAGNUS MOLLIS A RARE AND ENDANGERED PLANT SPECIES
    Xie Shu-lian, Ling Yuan-jie
    1997, 17(2):  153-157. 
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    Elaeagnus mollis is one of Chinese endemic plants and it is considered an endangered plant on the brink of extinction.In this paper,a broad literature has been reviewed concerning its habit,morphology、structure、karyotypes、growth、traits、geographic distribution,ecological and community characteristics,nitrogenase activity of root nodules and chemical constituents.Consequently,the reasons for making the plants to the endanged state have been analysed and the effective measures have been put forward to conserve the rare species.
    A POLLEN MORPHOLOGY STUDY ON TWELVE SPECIES OF SEDUM IN ANHUI
    Zheng Yang
    1997, 17(2):  158-162. 
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    The pollen grains of twelve species of Sedum from Anhui province were systematically observed under LM and SEM.The results indicate that sedum is a nice natural taxon and more advanced in pollen grains.According to palynology,it is proved for the first time that Sedum kiangnanense is different from Sedum emarginatum.
    ANATOMICAL STUDIES ON THE PRIMARY VASCULAR SYSTEM OF THE SEEDLING OF SOLANUM MELONGENA L.
    Zhang Shu-ming, Gu An-gen, Wang Li-jun, Zhao Li-hui
    1997, 17(2):  163-167. 
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    The transition form of organs of the primary vascular tissue in CNZ was telome elongation type was showed in anatomical observation on primary vascular system of seedlings of Solanum melongena according to the theory of CNZ.This form was different from the mesome elongation type in CNZ in some primitive family and genus,such as Ranunculaceae in Choripetae etc.The lower part of CNZ was shorter.But the middle one was extremely long.therefor,the cotyledon node zone-root transition region was extraordinary short,same as the connection region of vascular tissue between the epicotyl shoot zone and the cotyledon node zone.The transform of vascular tissue mainly occured in the middle of CNZ.
    ADVANCEMENT OF RESEARCHES ON PHOTOPERIOD SENSITIVE CYTOPLASMIC MALE STERILE OF D2 TYPE WHEAT
    Jiang Jing, Liu Wei-hua, Li Ji-lin
    1997, 17(2):  168-173. 
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    The combination of D2 type cytoplasm and certain nucleus can cause pistillo dy of stamens under a long-day condition (≥ 15 hours).This paper,which discussed the morphology、histology and molecular biology of male sterility,provided reference materials on the development of PCMS wheat with a view to promoting the utilities of PCMS in the crossbreeding of wheat.
    A STUDY ON TOXICITY OF SODIUM CHLORIDE IN HORDEUM VULGARE
    Yi Hui-lan, Wang Qiang
    1997, 17(2):  174-179. 
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    We studied the effects of root tip cells treated Hordeum vulgare with NaCl solution,observed sister chromatid exchanges (SCE) and mitotic division.When treated concentration of NaCl solution is inhanced,SCE frequency increased significantly but cell division decreased.Our date of seedlings growth inhibition suggest that this is concentration-dependent.The higher concentration is taken,the slower seedlings grow.It shows that concentration control the splits of cells.High concentration leads to DNA recombination.The results indicate that high concentration of NaCl solution is toxic to growth of seedlings and cells,it is potential mutagenic and classtogenic.
    BREEDING COLD-RESISTANT BREEDS OF GRAPE WITH CROSS OF BETWEEN VITIS AMURENSIS RUPR.AND BETTER BREEDS
    Bai Qing-wu, Li Bo, Zhang Dong-xiang, Chen Hui, Chen Guo-quan
    1997, 17(2):  180-183. 
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    In the cross of between better breeds and Vitis amurensis Rupr.that was cold-resistant,the cold-resistant ability and quality of grape would be strengthen and improved with generations gradually.After systhesize cross of high generation,a series of breeds and/or strains with cold-resistant and better economic characters were breeded in this study.
    STUDIES ON INHERITANCE AND VARIATION OF PEPPER AND TOMATO OF SPACEFLIGHT BREEDING
    Sun Yie-qing, Li Yu-fen, Chen yan, Guo Ya-hua, Deng Li-ping
    1997, 17(2):  184-189. 
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    In order to probe the influence on inheritance and variation of crops in space flight,this paper analyzed the conditions of the later generations of pepper and tomato by satelite board and repeat board,determined the plant growing,output of vegetable,physiological,biochemical and cytological characteristic.The results showed:Space environment made vegetable seeds produced variation.Space flight will be a new way to improve vegetable pomising lines.
    A PRELIMINARY STUDY ON COLD RESISTANT PHYSIOLOGY OF RUTA GRAVEOLENS
    Wan Qing-lin, Liu Ming-yuan
    1997, 17(2):  190-194. 
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    Some physiological changes of cold resistance was investigated,when Ruta Graveolens Linn was planted in high latitudes region far from its original place without low temperature under zero.Results showed that,with decrease of temperature,soluble sugar content、soluble protein content and catalase activity increased.Memberance permeability is stable,starch content declined,rate of respiration fell gradually.But cyanide resistant respiration is more steady.It didn't decline appearantly until the temperature dropped to -20℃ while cyanide resistant respiration played a dominant role.
    STUDY ON CHANGES OF EITHER CHLORINE CONTENT OR MEMBRANE PERMEABILITY OF LEAVES WITH SEASONS AND HARDINESS OF TREES
    He Yan-ling, Zhang Dong-xiang, Zheng Wei-hong, Li He-yu, Yang Li-rui
    1997, 17(2):  195-199. 
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    This paper show that:Both chlorine content and memberane permeability of leaves of trees increased with seasons.Chlorophyll contents of trees polluted by chlorine decreased,remarkably.Absorptive capacity of trees is not equal to hardiness completely.Though capacity of chlorine absorptive of elm was more intensive than other trees,hardiness of elm against chlorine was in middle levels.Either capacity of chlorine absorption or hardiness of poplar was in middle levels,which of boxelder in lower level.Willow possessed intensive capacity of chlorine absorption,and could withstand chlorine harm.
    A COMPARATIVE STUDY ON COLD RESISTENCE OF EIGHT INTRODUCED TURF GRASSES
    Zhang Guo-zhen, Xiao Xiang-yang
    1997, 17(2):  200-206. 
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    By measuring the survival rate of overwintering of eight introduced turf grasses and the relative cell membrance permeability,the accumulated contents of soluble sugar and proline of leaves and overwintering organs of the eight turf grasses,the paper found that the accumulated content of soluble sugar is a valuable physiochemical index of comparing the cold resistence of overwintering organs of turf grasses.The relative cell membrance permeability is a valuable index of comparing the cold resistence of leaves of turf grasses.By analyzing the peroxidase isozyme of leaves of the eight introduced turf grasses,we thought that the number of peroxidase isozyme bands can partly indicate the cold resistence of turf grasses.It can only be used as a reference of comparing the cold resistence of plants.
    A RESEARCH ON THE FUNCTION OF FOREST TO GEOGRAPHY ON THE CULTIVATION OF PANAS QUINQUEFOLIUS LINN
    Liu Zuo-xi
    1997, 17(2):  207-212. 
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    Panax quinquefolius Linn.,also called American qinseng,is one of the rarest medicinal plants of the world.The paper makes a systematic analysis on the effects from the forest geography on the cultivation of Panax quinguefolius Linn.The conclusion is drawn that 4 kinds of geography and the northern or the middle-upper slope with the altitude of 330-450m are favorable for the cultivation of Panax quinquefolius Linn.
    EXPLORING OF SOLAR ENERGY DISTRIBUTION ON CANOPY SURFACE OF INDIVIDUAL PICEA KORAIENSIS NAKAI
    Zhao Wei, Wu Ya-bin, Zhu Zi-hua, Zhang Hao-ran, Xu Wen-gang
    1997, 17(2):  213-218. 
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    This article study artificial forest of Picea koraiensis about 18 old years.S tressing study its solar energy distribution on canopy surface and scattering distribution on canopy surface,and absorbing distribution of crown.In same community,if solar energy on canopy surface had prodigious difference,between every individual its configuration would have prodigious difference too.
    DYNAMICS OF HEIGHTS OF DEYEUXIA ANGUSTIFOLIA POPULATION
    Ni Hong-wei, Gu Hui-yan, He li, Song Yu-ling, Liu Ji-ming
    1997, 17(2):  219-223. 
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    The changing laws of heights of Deyeuxia angustifolia population in three vegetation types,ie.typical meadow,marsh meadow and swamp which are dominated by Deyeu xia angustifolia in sanjang plain are discussed in this paper.The results show that their increasements are all single peak type in the 3 vegetation types,their maximum values all appear at the end of July,respectively are 112.67cm,101.61cm,&83.88cm.The seasonal dynamics of HAGR are higher than 0,before the end of July,and then lower than 0,That maximum values of typical meadow and marsh meadow appear at the end of June to the middle of July,and that maximums appear at the middle to the end of June in swamp;the minimum value of typical meadow appears at the end of August to the middle of July,and,that of the other 2 types appear at the end of July to the middle of August.The seasonal dynamics of HRGR are the same as that of HAGR.The maximum value of marsh meadow appears at the end of June to the middle of July,and that of the other 2 types appear at the middle to the end of June.The minimum value of typical meadow appears at the end of August to the middle of September,that of the other 2 types appear at the middle of September to the beginning of October.
    BIOMASS SPACE DISTRIBUTION OF PICEA KORAIENSIS PLANTATION
    Mu Li-qiang, Zhao Bo, Wang Li-jun, Hong Guo-qi, Sun Li-fu
    1997, 17(2):  224-233. 
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    The paper studied the biomass and productivity of Picea koraiensis Plantation, and analysed the space distribution of the biomass and yield constitution.