巨桉種源-家系列種試驗研究.pdf

1、福建農林大學碩士學位論文巨桉種源家系列種試驗研究姓名：鄒小興申請學位級別：碩士專業(yè)：森林培育指導教師：梁一地2001.6.1星堡登塑二窒墨!!壁塑墼嬰塞關鍵詞：巨桉；，種源；家系；，引種試驗；，主成分分析；判別指數(shù)選擇主題詞：巨桉義種源≯家系孓引種試驗火中圖分類號：＆72L77／StudyontheIntroductionofProvenanceandFamilyforEucalyptusgrandisinFujianABSTRACTE

2、ucalyptusgrandisisallspecialtreewhichgrowsquicklywithhighproductionItcallbeusedasmaterialsenergysourcesandmakingpaperThepurposeofintroducingEgrandisistoproduceagreatquantityofhighgradewoodforFujianprovince；Sointhispaper2

3、9provenancesand145familiesofEgrandisfromAustralianweretestedinNan’ancityYong’ancityandhua’ancountyinFujianprovinceAtthesalTletimethegrowthcharactersofEgrandiswerestudiedBythemeansofcombinedprincipleofmodembreeding、Ⅳimqua

4、ntitativegeneticanalysistheintroductiontrialofEgrandisinFujianwerestudiedwhichshouldfairlysuccessfulThemalnresultsandconclusionsinthethesiswereasfollows：1，Theresultofvarianceanalysisshowedthatdifferentprovenancesandfamil

5、iesofEgrandishadhighlysignificantdifferenceinheightDBHandvolumecoldtolerance，andSOonAndallthesevariationsweremainlycontrolledbygeneticfactors2ThegrowthcharactersofEgrandishadhighlysignificantcorrelationswitheachotherAtth

6、esametime，thosecharactershadnegativecorrelationwithlongitudeoforiginalregions，tooBecauseofmarkedgenotypexenviroumentinteraction，thereweren’tsignificantcorrelationamongthethreetestsites3Bystudyingonthreedifferentlevels，th

7、eauthorhadselectedhi幽qualityprovenancesSOurCes，excellentfamiliesandindividuals，whichWereveryvaluableresourcesforbreeding4Bycomprehensivecomparison，4stronglytolerantcoldprovenancesand44verytolerantcoldfamiliesw翻teselected

8、fromYong’antestlocation5UsingmultianalysisthegeneticdistanceofEgrandisWasmeasuredinYong’anandHua’antestsites111eresultsshowedthatgeneticdistancedeterminationisausefulmethodforforestrybreeding6Wimdiscriminatoryindexasynth

9、eticalselectiononmultiplesiteandmultiple—traitofintroducingEgrandisWasmade，andthendiscriminatoryindexequationoftestingprovenancesandfamiliesin3sitesweremade，tooprovenance：h妻1=lo05703Dl300656H131758VI科^喜)=殳8421D13一116542H