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1,2,1(1.,410125;2.,100049):,:;;:S48218:A:1673-6257(2006)05-0010-05:2005-03-22:(KZCX3-SW-426)(40235057)(2004660010027):(1971-),,,,,2030,5[1],,,[2],[3],250hm2,400t,,,,,,[4],[5],,,,1,[6],[7],-,,,,,JA()MeJA()24-Epibrassinolide(24-),,GA3()[8,9];CC(),,,-CCSOD()CAT()POD(012006(5))NR(),MDA()[7]2,,ABA()IAA(),ABA/IAA,,[10],,19d4d,ABA,12d,,1231d,;IAA19d4d,12d,NR,,,[11],IAA,,,ATP(),;[12],ABT4()FA(),;[13],HA(),,,3,,,,,,[14],K+,20g/kg488,45g/kg458,,,,[15],,,;,,,,,,ATP,(),K+K+[16]Schroeder[17]2080,,,[18],ABACa2+,K+[19],Ca2+,,,,Ca2+K+[20];IAAK+,[21],,,,[11,13],[22],NAA()IAA,,;[23],,,,,()IAA112006(5)IBA(),;[24],,,IAA,,IAA,4,,,,,[25],,,[26,27][28]:(ODC);(ADC)ODCADC,,PMT(N-)N-,[26-28],PMTN-1---,,[26],[26,27](IAA)[26,27],,[26,29],,[29,30],[29,31-33]mRNA[29],IBAPMT,IBAPMT,mRNA[29](pH)()[34,35],[26,29],[29,36],,,/,,JA[34,35,37-39],JAMeJA[37,38]Baldwin[38],,JA,,JA,JA,,SA()JA,SA,,SAJA[40,41],,[42],IAA,IAA,25%;[43],NR,NO3-N,0147%1132%;[44],IAAGA3,ABA6-BA(6-)5,,212006(5),,,,,,,,(),[45],,,[46]6,,,,[32,33],,,,,,,,,:[1],.[M].:,1995,180-224.[2],,,.[J].,2003,23(6):1069-1075.[3],,,.[J].,2001,13(5):322-326.[4],,.[J].,2002,(7):39-43.[5],,,.[J].,2001,(2):38-42.[6],.[M].:,1991.[7],,.[J].,2003,(5):44-46.[8],.[J].,1999,35(3):193-195.[9],,,.[J].,2001,7(4):29-32.[10],.[J].,2002,38(4):330-332.[11],,,.[J].,2003,36(12):1604-1608.[12],,,.[J].,1999,5(4):33-38.[13],,.[J].,2002,(7):36-38.[14],,,.[J].,1999,(1):22-25.[15],.[J].,2001,14(2):87-91,104.[16],.[J].,2001,19(3):281-285.[17]SchroederJI,HedrichR,FemandezJM.Potassium-selectivesin2glechannelsinguardcellprotoplastsofViciafaba[J].Nature,1984,312:361-363.[18],,.[J].,1998,34(3):219-224.[19]Lentiri-ChliehF,MacRobbieEAC.Roleofcalciuminthemodu2lationofViciaguardcellpotassiumchannelsbyabscisicacid:apatchclampstudy[J].JMemBiol,1994,137:99-107.[20]BlattMA,ThielG.Hormonalcontrolofionchannelgating[J].AnnRevPlantPhysiolPlantMolBiol,1993,44:543-567.[21]ClaussenM,LuthenH,BottgerM.Auxin-inducedgrowthanditslinkagetopotassiumchannels[J].Planta,1997,201:227-234.[22].[J].,2003,(7):40-42.[23],,,.[J].,2001,17(4):10-14.[24],,,.[J].,2001,7(4):404-409.[25],,,.[J].,2003,(2):12-16.312006(5)[26]HashimotoT,YamadaY.Alkaloidbiogenesis:molecularaspects[J].AnnuRevPlantMolBiol,1994,45:257-285.[27]KutchanTM.Alkaloidbiosynthesisthebasisformetabolicengi2neeringofmedicinalplant[J].PlantCell,1995,7:1059-1070.[28]ChattopadhyayMK,GhoshB.Molecularanalysisofpolyaminebiosynthesisinhigherplants[J].CurrSci,1998,74:517-522.[29]HibiN,HigashiguchiS,HashimotoT,etal.Geneexpressionintobaccolow-nicotinemutants[J].PlantCell,1994,6:723-735.[30]MizusakiS,TanabeY,NoguchiM,etal.Changesintheactivi2tiesofornithinedecarboxylase,putrescineN-methyltransferaseandN-methyl-putrescineoxidaseintobaccorootsinrelationtonicotinebiosynthesis[J].PlantCellPhysiol,1973,14:103-110.[31]YasumatsuN.Studiesonthechemicalregulationofalkaloidbiosyn2thesisintobaccoplants[J].Agric.Biol.Chem.,1967,31:1441-1447.[32]TabataM,YamamotoH,HiralkaN,etal.Regulationofnicotineproductionintobaccotissueculturebyplantgrowthregulators[J].Phytochemistry,1971,10:723-729.[33]TakahashiM,YamadaY.Regulationofnicotineproductionbyauxinsintobaccoculturedcellsinvitro[J].AgricBiolChem,1973,27:1755-1757.[34]BaldwinIT.Mechanismofdamage-inducedalkaloidproductioninwildtobacco[J].JChemEcol,1989,15:1661-1680.[35]BaldwinIT,PrestinCA.Theeco-physiologicalcomplexityofplantresponsestoinsectherbivores[J].Planta,1999,208:137-145.[36]AkehurstBC.Thegrowth,plantstructureandgenetics[A].RhindD,WrigleyG(eds).Tobacco[C].London:LongmanPress,1981.45-95.[37]OhnmeissTE,McCloudES,LyndsGY,etal.Within-plantre2lationshipsamongwounding,jasmonicacid,andnicotine:implica2tionsfordefenceinNicotianasylvestris[J].NewPhytol,1997,137:441-452.[38]BaldminIT,SchmelzEA,OhnmeissTE.Wound-inducedchangesinrootandshootjasmonicacidpoolscorrelatewithinducednicotinesynthesisinNicitianasylvestrisSpegazziniandCones[J].JChemEcol,1994,20:2139-2157.[39]ImanishiS,HashizumeK,NakakitaM,etal.Differentialinduc2tionbymethyljasmonateofgenesencodingornithinedecarboxylaseandotherenzymesinvolvedinnicotinebiosynthesisintobaccocellcultures[J].PlantMolBiol,1998,38:1101-1111.[40]BaldwinIT.InduciblenicotineproductioninnativeNicotianaasanexampleofadaptivephenotypicplasticity[J].JChemEcol,1999,25:3-30.[41]BaldwinIT,ZhangZ,DiabN,etal.Quantification,correlationandmanipulationsofwound-inducedchangesinjasmonicacidandnicotineinNicotianasylvestris[J].Planta,1997,201:397-404.[42],,.[J].,2002,22(1):18-21.[43],,,.[J].,2002,(3):23-24.[44],,,.[J].,2001,7(2):22-25.[45],,.[J].,1996,(3):34-38.[46],,,.[J].,2002,30(5):792-796.EffectsofplantgrowthregulatorsontobaccogrowingandmetabolizingZOUYan1,2,SUYi-rong1(1.InstituteofSubtropicalAgriculture,ChineseAcademyofSciences,Changsha410125;2.GraduateSchooloftheChineseAcademyofSciences,Beijing100049)Abstract:Muchattentionhasbeenpaidtoimprovingtobaccoleavesqualitiesthroughtheregulationeffectsofplantgrowthregulators.Thisarticlesummarizedtheprogressesofplantgrowthregulatorsintobacco,whichmainlyincludeditseffectsonbuddingoftobaccoseeds,growthofrootsandshoots,