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1、-------0.3588m3,which74.94%higherthanprovenancesaverage.13familiestreevolume(Vol)biggerthanfamiliesaverageinTPG8205,7549wasthebestfamilyinvolume(Vol),which32.9%higherthanfamiliesaverage.3.Therewashighlyvariationingrowth,woodqualityandformqualitytraitsamongteakprovenances/families;Inallt
2、raits,thecoefficientofvariationoftreevolume(Vol)hadethemaximumrange,andgoodresultsofselectioncouldbegot;Thecoefficientofvariationrangeofbasicdensity(BD)andheartwoodcontent(HwC)weresmall,soindividualsweresimilarwithinprovenances.4.Traitsofcorrelationanalysisshowedthat:thereweresignifican
3、tcorrelationsrelationshipamonggrowthtraitssuchasH、DBH、VOLandBH.Woodbasedensity(BD)exhibitedcertainindependence,sobasicdensity(BD)shouldbechosenindependentlyinordertoobtainidealselectioneffects.ThecorrelationamongtraitsofTectonagrandisL.f.provenances/familiesindicatedthattherelationships
4、amongtraitswerecomplicated,itwasimportanttotakeacomprehensiveselectionsoastooptimisealltraitsaccordingtobreedingtarget.5.Eachmulti-charactersselectionmethodshadeitsadvantagesanddisadvantages.Ingeneral,multi-factorcomprehensiveevaluationmethodcouldbecomethebettermethodforevaluatingteakpr
5、ovenances/familieswhichplaiedgoodperformanceingrowth,woodqualityandformqualitycharacters.Multi-factorcomprehensiveevaluationmethodwasusetomulti-charactersselectforTP8306、TP8202andTPG8205,andthesortmeritsofTP8306were3071,3078,3070,3072,3074,8204;Atthesametime,afteracomprehensiveselection
6、,5superiorprovenancesinTP8202and6superiorfamiliesinTPG8205wereselected.Keywords:teak(TectonagrandisL.f),geneticvariation,multi-traitsselection,adaptability-----------IV万方数据-----------目录摘要....................................................................................................
7、....................................IIIABSTRACT...............................................................................................................................III第一章绪论................................................................................................
