学科分类
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20 个结果
  • 简介:Sincetheyear2006,havingbeentrainedinEHVpowergridconstruction,indigenousmanufacturingcompanieshavegraduallybecomefull-fledged.WiththeadvancementoftheUHVprogram,theybecomemoreconfident.Amongthesecompanies,thereareXi’anShikyHighVoltageElectricCo.,Ltd.(Shiky)ofChinaXDGroup(XD),amegastate-ownedenterprise,TebianElectricApparatusStockCo.,Ltd.(TBEA),astockcompany,aswellasBaodingTianweiBaobianElectricCo.,Ltd.(TWBB),adarkhorseamongprivatesectors.Moreover,ShanghaiSieyuanElectricCo.,Ltd.(Sieyuan),whichisespeciallymentionable,hasattractedmoreattentionintheindustryforitsoutstandingandrapidlyrisingmarketperformance.

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  • 简介:Guggal,对西方的印度地方性的威胁的种,被拍提取当做药重要oleo-gum-resin(guggul)。然而,植物在口香糖渗出以后死。本地人使用的土生土长的拍技术在Gujarat被检验,在这些技术后面发现科学基础的印度:口香糖inducer,拍的季节,和植物的选择分开被拍。首先,Xanthomonasaxonopodispv的存在。在使用拍的口香糖暂停的commiphorae(Xac)被建立。这个细菌导致从拍的植物流着的口香糖并且以后,引起他们开死。在口香糖的Xac的人口被发现与口香糖的年龄减少。与那,新鲜口香糖增加了拍的成功。第二,本地人比较喜欢在温暖的季节期间拍,吗我们由决定Xac生长在30略潤潭慮?楤業畮慴?是最好的验证了哪个?桓杩汥慬????????????????????????楦浲獵??‰???堠湡桴浯湯獡??

  • 标签: 窃听技术 印度 土著 学分 科学基础 口香糖
  • 简介:JohariceofAssamisaclassofricewitharoma,goodcookingqualitiesandexcellentpalatability,whicharegrownindifferentplacesofAssamwiththeiradaptabilitytolocalsituations.Atotalof143simplesequencerepeatmarkerswereusedinthisstudytorevealsufficientgeneticvariationsamongthe40Johaand14non-Joharicegenotypes.Polymorphisminformationcontentofthesemarkerswerefrom0.17to0.88,wheretheaverageof3.7alleleswereobserved.Themodel-basedpopulationassignmentanddendrogramanalysisidentifiedthreedistinctgroupsinthe54riceaccessions,whichestablishedaclearidentityofJohaaccessionsfromtheBasmatiaccessions,indicatinghighdiversityandstrongpopulationstructureinJoharice.Furthermore,atotalof29significantmarker-traitassociations(P<0.05)for10charactersweredetected.TheQTLsrelatedwithyieldandgrainqualitycanbeusedeffectivelyincropimprovementprogramsandforfurtherfinemappingandvalidationofspecificgenestodevelopgene-basedperfectmarkersinricebreedingandforminingofbetterallelesofthesegenesinJoharicecollections.

  • 标签: Joha rice genetic DIVERSITY ASSOCIATION mapping
  • 简介:这研究被瞄准调查PhyllocnistiscitrellaStainton的出现(柠檬leafminer;CLM),它最近在南部的南朝鲜,和它的天赋引起了增加的损坏到柠檬农场敌人,它能充当生物控制代理人。在现在的学习,用性pheromone陷井监视的CLM在南朝鲜在Jeju区域在主要柠檬农场被进行。另外,寄生虫的调查被执行为CLM检测有效控制代理人。在从2011~2015的调查期间,成年CLM(2,386,990)的一个相对大的数字在性pheromone陷井被观察。CLM的吝啬的年度出现是477,398,它随温度的增加显示出一个增加的趋势。寄生虫的调查在2015年11月被进行。六个寄生虫被发现,它,Quadrastichussp。并且Sympiesissp。显示出寄生状态的最高的率。寄生状态的吝啬的率在调查时期期间是3.97?%。我们在南朝鲜发现了CLM的寄生虫的四新种。

  • 标签: 寄生蜂 韩国 天敌 鳞翅目 控制Agent 性信息素
  • 简介:TheeasternHimalayanregionofNortheast(NE)Indiaishometoalargenumberofindigenousricevarieties,whicharetraditionallyclassifiedasOryzasativasubspeciesindica,japonicaorintermediatetypes.TheclassificationbasedontraditionalCheng'sindexisofteninconclusiveduetophenotypicplasticityofmorphologicalcharacters,whichareinfluencedbyenvironmentalconditions.WeusedmolecularmarkersspecificforindicaandjaponicasubspeciestoassessthedegreeofgeneticrelatednessofindigenousricevarietiesinNEIndia.Theresultsrevealedthatmajorityofupland(jum)andglutinousricevarieties,traditionallyconsideredasjaponica,weregeneticallyclosetothesubspeciesindica.Allvarietiesofboroecotypewerefoundtobeindicatype,andonlyafewvarietiescultivatedinlowlandanduplandareaswerejaponicatype.Someofthelowlandvarietiesofthesaliecotypewereintermediatebetweenindicaandjaponica,andtheyshowedaclosergeneticaffinitytoO.rufipogon.

  • 标签: 喜马拉雅地区 遗传特征 东北部 印度 地方稻种 水稻品种
  • 简介:Dongethnicpeoplehaverichindigenousknowledgeintermsoftheirdailylifeandproduction,whichplaysanimportantroleinthesustainabledevelopmentoftheirvillage.ThispaperaimstounderstandtraditionalknowledgeofDongethnicpeopleinresourcemanagementandpopulationcontrol,includingtraditionalresourcemanagement,traditionalmedicinalknowledgeandvillageregulationsinZhanliVillageinSoutheastGuizhouProvince.Theresearchmethodsincludekeyinformantinterview,groupdiscussion,participantobservationandsecondarydatacollect-ing.TheresultsshowthatZhanlivillagerstrytheirbesttoutilizeindigenousknowledgetomanagethenaturalresourcesandkeepthestablepopulationtomakethemselvesliveinasustainableway.Indigenousknowledgeplaysanimportantroleinmanagingtheirlimitednaturalresourcesandkeepingthepopulationstableunderanexcellentcondition.Zhanlivillagersemployindigenousknowledgetomanagenaturalresourcesanduselocalherbstocontrolthepopulation.Villageregulationtermssignificantlyinfluencevillagers’awarenessinresourcemanagementandbirthcontrol.Womenplaythechiefroleinemployingindigenousknowledgeinweavingaswellasmedicinalknowledgeinbirthcontrol,andthesekindsofknowledgearepasseddownthroughthefemaleline.However,theinheritancestyleoftraditionalknowledgeisdecreasing.Indig-enousknowledgeplaysanimportantroleinthesustainabledevelopmentofthisvillage,whichgivesimplicationsfordevelopmentpracticestoinvolveindigenousknowledgetoachievesustainabledevelopment.

  • 标签: 自然资源管理 土著知识 人口控制 贵州省 侗族 可持续发展
  • 简介:在那里存在单个核苷酸多型性,G或T,在施主的一垒拼接蜡制的基因intron的地点1在米饭。为了学习在施主的一垒之间的关系,拼接蜡制的基因intron的地点1并且在米饭的直链淀粉内容,一步舞PCR方法被用来决定它是否在从14个区域的220个云南土生土长的米饭变化是G或T,云南的55镇/县省,并且的101个变化被PCR-Acc验证我方法。根据G/T多型性,,164个米饭变化显示出GG遗传型另外的56掉进TT遗传型,为74.5%所有测试变化和25.5%的财务分别地。当所有米饭变化被划分成indica和装饰用的梨树亚种时,80.5%indica米饭和67.0%装饰用的梨树米饭属于GG遗传型,这被发现。有GG遗传型的米饭变化有显著地更高的直链淀粉内容(18.95%平均)比那些与TT遗传型(都低于16%),但是有GG遗传型的33个米饭变化仍然有低直链淀粉内容从3.91%~15.93%,并且他们中的大多数来自奶妈在云南的西南的少数区域省。然而,在在indica和装饰用的梨树米饭之间的一样的GG或TT遗传型的吝啬的直链淀粉内容没有重要差别,建议那不同基因背景,indica或装饰用的梨树,没在直链淀粉内容上有效果。在遗传型和直链淀粉内容之间的关联的系数是0.733(P<0.01)。

  • 标签: 云南 水稻 基因内区 遗传多样性 基因型
  • 简介:Nearisogeniclinescarryinglarge-effectQTL(qtl12.1),whichhasaconsistentinfluenceongrainyieldunderuplanddroughtstressconditionsinawiderangeofenvironments,wereevaluatedunderwaterstressinthefields.Thelinewhichgavehigheryieldunderdroughtwascrossedwithalocaleliteline,PMK3,andforwardedtoF2:3generation.SignificantvariationwasfoundamongtheF2:3linesforagronomictraitsunderwaterstressinthefields.Lowtohighbroadsenseheritability(H)forinvestigatedtraitswasalsofound.Waterstressindicatorssuchasleafrollingandleafdryingwerenegativelycorrelatedwithplantheight,biomassandgrainyieldunderstress.Bulkedsegregantanalysis(BSA)wasperformedwiththemarkersinthevicinityofqtl12.1,andRM27933wasfoundtobesegregatedperfectlywellinindividualcomponentsofdroughtresistantanddroughtsusceptiblebulkswhichwerebulkedbasedonyieldunderwaterstressamongF2:3lines.Hence,thissimpleandbreederfriendlymarker,RM27933,maybeusefulasapotentiallyvaluablecandidatemarkerforthetransferoftheQTLqtl12.1intheregionalbreedingprogram.BioinformaticanalysisoftheDNAsequenceoftheqtl12.1regionwasalsodonetoidentifyandanalyzepositionalcandidategenesassociatedwiththisQTLandtoascertaintheputativemolecularbasisofqtl12.1.

  • 标签: 水分胁迫条件 粮食产量 QTL 转育后代 评估 群分析
  • 简介:Objective:Theaiminthisstudywastoidentifytheallelicfrequenciesofthechemokine(SDF1-3'A)andchemokinereceptor(CCR5△32,CCR5m303andCCR2-64I)genesresistanttoHIV-1infectionand/ordiseaseprogressioninindigenousChinesepopulations.Methods:ByusingQIAampDNABloodMiniKit,thegenomicDNAsampleswerepurifiedfromwholeperipheralbloodofhealthyindividuals(n=2067)fromHan,Uygur,MongolianandTibetanethnicgroups,aswellasHanpatientsincludingHIV-1carriers(n=330),patientswithothersexuallytransmitteddiseases(STDs,n=259)andintravenousdrugusers(IVDUs,n=125).TheallelicpolymorphismswereidentifiedbymeansofPCRorPCR-RFLPanalyses.ThesequencesofrandomlyselectedamplifiedPCRproductswerefurtherconfirmedbydirectDNAsequencing.Results:Themutantfrequencieswereidentifiedtobe0%-3.48%forCCR5△32,0%forCCR5m303,19.15%-28.79%forCCR2-64and19.10%-28.73%forSDF1-3'Aalleles,respectively,inChinesehealthyindividualsfromfourethnicgroups.Ourfindingsindicatedtheallelicfrequenciesvaryamongthedifferentethnicgroups.Furthermore,theHIV-1carriers,STDcasesandIVDUs(allofHanethnicity)werefoundtohavetheallelicfrequenciesof0%-0.19%(CCR5A32),0%(CCR5m303),19.31%-20.45%(CCR2-64)and25.61%-26.83%(SDF1-3'A)withminorvariationsintheirfrequenciesbetweenthepatientsandhealthyHangroups.TherewasnoCCR5-m303mutationfoundinanysubjectinthisstudy.Conclusion:TheexaminedsubjectsoffourChineseethnicoriginsshowedlowerfrequenciesofCCR5A32andCCR5m303alleles,buthigherfrequenciesofmutantCCR264IandSDF1-3'Aallelescomparedtothoseidentifiedinnorthern-EuropeanandAmericanCaucasians.ThesignificanceofthedifferentfrequenciesandpolymorphismsoftheaboveallelesinChinesepopulationsneedstobefurtherexaminedinHIV-1/AIDSdiseases.

  • 标签: 爱滋病 AIDS 人体免疫缺损病毒1型 HIV-1 等位基因频率 基因多态性