38个油茶优良无性系综合评价研究

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1、中南林业科技大学硕士学位论文38个油茶优良无性系综合评价研究性系油酸含量80％以上的有25个，其中25号、43号、11号的脂肪酸含量均达88．8％以上。亚油酸含量变化较大从10／o,--15％，27号亚油酸含量最高。通过DTOPSIS法对38个油茶优良无性系经济性状进行综合评定，结果表明67号(0．9222)和68号(O．8127)64号(O．7552)65号(0．3159)、13号(O．3121)综合指标名列前茅，评价结果与品种的实际表现基本一致，其中67号、68号、64号三个优良无性系已通过国家审定，分别命名为华金、华鑫、华

2、硕。关键词：油茶，无性系。形态性状。经济性状。评价中南林业科技大学硕士学位论文38个油茶优良无性系综合评价研究AbstractCamelliaoleiferaAbelistheSouthChinaedibleoilmajorwoodyspecies，thedevelopmentofecologicaleconomicforesthasallirreplaceablerole．Yieldisasymbolofeconomiccultivatedplants，tohigllyieldwel-bredisnecessarymateri

3、alfoundationdifferentvarieties，yieldandoilproductionhavevariedwidely．Inordertoobtainwel-bred，themostsimpleandfastwayistocomparetheselectionofavailableresources．硒eexperimentalmaterialhasbeenbredfromsomelocalvarietiesofHunanandGuangxiAcademyofbreedingoutclonesgraftedin

4、Majiahe，ZhuzhouCitY,theseclonesonthesamesiteconditionsafternearly30yearsofgrowthanddevelopmentofitsPhenotypiccharacteristicsandeconomictraitsofthesedifferenceshowtodistinguish；theirgoodtraitsCanmaintainstability；for”selectingthebest”filtergoodvarietieswhichadaptedtol

5、ocalsoilclimaticconditionsandforfurtherbreedingandrelatedresearchprovideascientificbasis．Thethesisoftheimportanttraitsof38CamelliaoleiferaAbe，clones(treecharacteristics：treeheight，diameter,crownwidth，etc．；biologicalcharacteristics：leaflength，leafwidth，leafthickness，f

6、lowering，etc．；fruitcharacteristics：fruitdiameter,longitudinaldiameter，theseedrate，shellingpercentage，kerneloilcontent，etc．)andphysicalandchemicalpropertiesandfattyacidcompositionwasinvestigated．TheresultsshowthatthesametraitsamongclonesofCamelliathereiSabigdifference

7、．11leafbladelengththantheother,forthelongoval，No．18，No．33，No．39，No．46，No．64，No．68，No．69fortheoval，therestiSoval，No．1l，No．61morefloweringearly,earlyOctobertoblossom，No．9，No．No．18，No．36，No．42，No．72，lateflowering，No．11，beganinmidandlateintothefloweringstage．Camelliaclon

8、esorange-typefruityieldhigherthanthatofotherfruitshape．GreyanalysisbyknownrelationshipbetweenfruitdiameterandyieldofCamelliaoleifer