能源树种毛梾种质资源调查与优树选择-研究

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1、能源树种毛株种质资源调查与优树选择研究StudyonGermplasmResourcesInvestigationandSelectionofEnergyTreeSpeciesCornusWalteriAbstractTakingthe谢ldresourcesofCornuswalteriastheresearchobject，thispapercarriedoutthecheckingonthegermplasmresourcesofComuswalteriinShandongProvince；theresearchingonplustre

2、eselectionandtheseedsandfruitsqualityofComuswalteri，SOastoprovidetheoreticalbasisforthegeneticimprovementandbreedingofComuswalteri，andofferimprovedvarietyforenergyforestconstructionofComuswalteri．Basingontheextensivesurveydatainthewild，thisstudyappliedstatisticalmethodsucha

3、scorrelationanalysis，multiplecomparisonsandclusteringanalysistoexplorethevariationpatternofthemorphologicalcharacteristicsofseedsandfruitsofComuswalteri．Moreover,itappliedcomprehensivescoringmethodtoformulatethestandardsandmethodssuitableforplustreeselectionofComuswalteriin

4、ShandongProvince．Themainresearchresultsareasfollows：(1)ComuswalterihasextensivedistributioninShandong，andthemainproducingareaisinthehillylandofthemiddleandsouthofShandong．However,thedistributionofwildresourcesingeneralisnotmuch，whichismostlyscatteredinremotegentleslopelanda

5、ndthefarmlandsurroundingsandburrockamonghills．Thereisalittledistributionintheshrubsoflowmountainsandhills，anditsdistributioninplainterrainismostlyintroducedplanting．ThehillyareainthemiddleandsouthofShandongisscattered、ⅣimmoreancienttreesofComuswalteri．Inaddition，alittleplan

6、tinginartificialforestwaskeptinTaishanMountain，YiyuanandQingzhou．ComuswalteriinShandongProvinceismainlydistributedattheelevationof200m一800m．Ofwhich，mostaredistributedattheelevationof200m．600m．ThedistributioncharacteristicsofComuswalteriinShandongProvinceareasfollows：extensi

7、veandconcentrateddistributionarea；mostlyscatteredandisland—shapeddistribution；wildComuswalteriihasstrongadaptabilitytolivingenvironment，whichisseriouslyintervenedbyhumanfactors．(2)Takingtheindexofcandidateplustreeasthebasis，thisstudyformulatedthemethodⅡ山东农业大学全日制硕士专业学位论文ands

8、tandardontheselectionofplustreeofCornuswalteribyapplyingcomprehensivescoringmethod