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《不同地理种源南方红豆杉中紫杉醇和10-dab含量及影响因子》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、生态学杂志ChineseJournalofEcology2009,2s(2):231—236不同地理种源南方红豆杉中紫杉醇和10-DAB含量及影响因子米柯春婷仝川一王玉震黄佳芳倪进治杨红玉(福建师范大学地理科学学院,湿润亚热带生态地理过程省部共建教育部重点实验室,亚热带资源与环境省重点实验室,福州350007)摘要选择福建省梁野山、龙栖山、闽侯旗山、南靖书洋乡和南平大坪村南方红豆杉(Taxuschinensisvar.marei)天然群体分布相对集中区,采集胸径相同的南方红豆杉的当年生针叶和树皮并取树下土壤样品。利用超高效液相色谱分析测定南方红豆杉当年生针叶及树皮中紫杉醇及1O
2、一去乙酰基巴卡亭Ⅲ(10.deacetylbaccatinm,10一DAB)含量,另测定土壤pH值、速效磷、速效氮、铁、钙、镁、锌含量。结果表明,不论是紫杉醇还是10一DAB含量,不同地理种源南方红豆杉间差异均较大,说明地理位置对于红豆杉中紫杉醇和10.DAB含量具有明显的影响;树皮中紫杉醇含量与土壤中铁含量显著相关(P<0.01);南方红豆杉当年生针叶中及树皮中紫杉醇含量与各种源地气象因子的相关性不显著(P>0.05)。关键词紫杉醇含量;10一DAB含量;地理种源;南方红豆杉中图分类号X171.1文献标识码A文章编号1000—4890(2009)02—0231—06Taxol
3、and10-DABcontentsofdiferentprovenanceTaxuschinensisvar.mareiandrelatedafectingfactors.KEChun—ring,TONGChuan,WANGYu—zhen,HUANGJia-fang,NIJin.zhi,YANGHong-yu(KeyLaboratoryofHumidSub—tropicalEco—geographicalProcessofMinistryofEducation,ProvincialKeyLaboratoryofSubtropicalResourcesandEnvironment
4、,SchoolofGeo—graphicalSciences,FujianNormalUniversity,Fuzhou350007,China).ChineseJournalofEcolo—gY,2009,28(2):231-236.Abstract:TheLiangyeMountain,LongqiMountain,QishanMountain,Shuyangvillage,andDapingvillageinFujianProvince,whererelativelyconcentratedwithTaxuschinensisvar.marei,wereselecteda
5、sthesitestocollectthe1-year—oldneedleandbarksamplesofsameDBHchinensisvar.mareitreesandthesoilsamplesunderthetrees.Thetaxoland10-DABcontentsintheneedlesandbarksweremeasuredwithUPLC.andthesoilpropertiesincludingpH。availablephosphorus,availablenitrogen,iron,calcium,magnesium,andzincweremeasured
6、.Theresultsshowedthatdifferentprovenancechinensisvar.mareihadgreaterdifferencesinthetaxoland10一DABcontentsinits1-year—oldneedlesandbarks,suggestingtheobviouseffectsofgeograph—icallocation.Thetaxolcontentinbarkshadsignificantcorrelationwithsoilironcontent(P<0.O1),butthetaxoland10一DABcontentsi
7、nneedlesandbarkshadlesscorelationwiththelo-calclimateparametersoftheprovenances(P>0.05).Keywords:taxolcontents;10.DABcontents;provenance;Taxuschinensisvar.marei.红豆杉是一种古老的裸子植物,为常绿乔木或ana)、东北红豆杉(cuspidata)和南方红豆杉(灌木,全世界有红豆杉属植物11种,分布于北半球chinensisyak.mar
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