简介：Inthisarticle,weinvestigatedeffectsofleadandcadmiumonthebiomassofginkgoseedlings,androlesoftheseedlingsinaccumulationcharacteristicsoftheheavymetalsandremediationofthesoilcontaminatedbyCd2+orPb2+aswellastheircombination.TheresultsshowedthatbothCd2+andPb2+significantlyorverysignificantlyreducedbiomassincrementofginkgoseedlings,withPb2+moreadversethanCd2+.TheCd2+-Pb2+compoundpollutionfurtherreducedbiomassincrementofginkgoseedlings.ThemassfractionsandenrichmentcoefficientofPb2+andCd2+inginkgoseedlingswereinanorderofroot>stem>leaf,whichwasinfavoroftransportationPb2+andCd2+fromroottostemandleave.TheCd2+-Pb2+compoundpollutionpromotedginkgoseedlingabsorptiontoCd2+andPb2+.ThecapacityoftheupwardtransportofPb2+wasgreaterthanthatofCd2+,whichsuggestedanobviousdose-effectandsynergisticeffect.Cd2+andPb2+accumulationsinginkgoseedlingswererelativelylarge.Theaccumulationinrootswashigherthanthatinstemsandleaves.Theabilityoftheabsorption,transportationandaccumulationofginkgoseedlingstoPb2+wasrelativelygreaterunderCd2+-Pb2+compoundpollution.ThephytoremediationefficiencyofCd2+andPb2+wasrelativelyhigh.