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1、GeneticvariationofwoodpropertiesandgrowthcharacteristicsofKoreanpinesfromdifferentprovenancesWANGHui-mei,XIADe-an,WANGWen-jie,YANGShu-wen(NortheastForestryUniversity,Harbin150040,P.R.China)Abstract:InordertostudyonthegeneticvariationofwoodpropertiesandgrowthcharacteristicsofKoreanp
2、ines,26provenancesof17-year-oldKoreanpineplantedwereselectedinMao’ershanExperimentalForestFarmofNortheastForestryUniversityin1999.Thewoodpropertieswerecharacterizedbyanatomicalpropertiesandphysicalproperties.Theauthorsmeasuredtheanatomicalpropertyindexes,suchastracheidlength,trache
3、iddiameterandwall-indiameterratio,aswellas,thephysicalpropertyindexes,suchasgrowthringwidth,latewoodpercentageandgrowthringdensity.Growthcharacteristicsindexesincludingtreeheightanddiameteratbreastheightweremeasured.Theresultsshowedthatthereexitedobviouslydifferentinwoodpropertyind
4、exesindifferentprovenances,thatistosay,woodpropertiesmightbecontrolledbytheirgeneticdifferences.ThegrowthcharacteristicsindexesofKoreanpinesexistedsignificantdifferenceandtheymightalsobecontrolledbytheirgeneticdifferences.Mostparametersofwoodpropertiesmainlyvariedinthedirectionoflo
5、ngitude,however,parametersofgrowthcharacteristicsvariedinthedirectionoflatitude.Keywords:Koreanpine;Provenancetrial;Woodproperties;Geographicalvariation;GeneticvariationCLCnumber:Documentcode:ArticleID:IntroductionBiography:WANGHui-mei(1973-),female,assistantprofessor,NortheastFore
6、stryUniversity,Harbin150040,P.R.China.Receiveddate:2002-07-24Responsibleeditor:ZhuHongInrecentlystudies,therearegreatlygeneticvariationsindifferentspecies,differentindividualsofthesamespeciesinthesamegeographicalregionsaswellasdifferentspeciesindifferentgeographicalregionsinbroadle
7、aved(Einspahretal.1970)andconiferousforest(Zobeletal.1989).Koreanpine(Pinuskoraiensis)isoneoftheimportanttimbertreesinnortheastChina.Itsgeneticvariationisimportantforthestudiesontimber-aimedbreedingandfurtherreasonableutilizationofKoreanpinewood.However,therewerefewreportsonthegene
8、ticvariationofwoodproperti
