弱光对番茄茎叶中铜含量的影响

华北农学报 2009, 24增刊180-182l 2009-10-13[ “SE“863”9[ “2001AA247011;SE“ E” S/1[ “2001BA5031306T€e1972-, 3,  , q,p V,1V Y v’  v’ 3 。YT€  Ÿ1955-, 3,  a  , q,p V 3 ,1V Y \ v’ 3 3 „。;I Nc •Y杨延杰1,谢春玲2,林 多1,李天来21. ]› jv \,  ]› 266109;2.  jv\,  a 8 \ L i,  a  110161K1YV ; i ›‚] ;v „ ; HW ,  ;I NCuc •Y。TV ,501 –;  ;Hq/ 3 H,I NCuc /†, O ;v †HW7F。 ; 1 P † Cuc †,7/† Cuc •Y l。 0 ;I N“ ;/Cu l„ sž•Y l。1oM ;;I N;Cu;  ms |S641 DS M ’A cI|1000-709120099 -0180-03EffectsofLowLightonCopperContentinStemandLeafofTomatoYANGYan-jie1,XIEChun-ling2,LINDuo1,LITian-lai21.GardenandHorticulturalColege,QingdaoAgriculturalUniversity,Qingdao 266109,China;2.HorticulturalColege,ShenyangAgriculturalUniversity,LiaoningProvinceKeyLaboratoryofGreenhouseHorticulture,Shenyang 110161,ChinaAbstractThecoppercontentinstemandleafoftomato,whichcultivatedunderdiferentlowlightintensityandlowlightcontinuouslytimeconditioninspringsunlightgreenhouse,werestudiedinthisexperiment.Theresultshowedthatcoppercontentdecreaseinstemandleafoftomatolongerthan3weeksunder50naturallightintensity.Thelowerlightintensityandthelongerlowlightcontinuouslytimewere,thedecreaseofcoppercontentwasheavier.Thelowlightledtocoppercontentgreatlydecreasedintopleavesoftomatoplant,whiletheinfluencetobotomleaveswasles.Theefectsoflowlighttoabsorptionandaccumulationofcopperinlowlightresistantlinewereless.KeywordsLowlight;Tomato;Copper;MicroelementI N ; v’,;v 1 p,1  3Cy;v ‚7•Yž 3C, €  ;/ l、„s M V •Y1oB[ 1]。1 ;I NN、P、Kv  [ 2, 3]„Mn[ 4]  •YXBt。Cu ž 3A  , Œ 3 ]h, †[ 5],7 ;/I NCu l„ † 2s •Y 。[‚] 0 ;ŸI N “ k‹, ;I NCuc •Y, ;Hq/I N g  8“y 4 ” 。1 材料和方法1.1 k‹  k[ŸI N 0 ; “WL.es-culentum.Mil„‚ 0 ; “YL.esculentum.Var.aurum. k‹。1  jv\ S Y   Ⅰ˜ ; i ›。121 l,327 5 ‡ H。 - 667m2  ƒg5 000kg, U 20kg、20kg、 ; K30kg, I,› 55cm, 35cm,†œ,ZE 5 。1.2 k 9 kZEI N7 d,› ; 。  uFk 9,[ i 1 –; v,‚]i; q{;‹ ›‚];v  , P ;vsY1 –; 75,50„25, k W d  i 1130-12301 –; 950～1 120μmolm2s, ; sY710～874 μmolm2s751 –; 、465.5～621μmolm2s501 –;„245～270 μmol/m2s251 –; 。 增刊 杨延杰等弱光对番茄茎叶中铜含量的影响 181 18,3Q。 , 7 d |50„100v1 –;  , | †2ž6 †s,i、 €cs 7,,›; HW k; ; 3 |“, |œIN †s,V1s 7,i/†„ †、 € sY,,› ;  k。 “ |“ H3Q。“ 、x ,H2SO4 H2O2h,TAS-9860 ls;;9。 k ” sDPSs“d›,EXCEL qSm。2 结果与分析2.1 ; HWI NCuc •Y;/,I NCuc [ 9/† t ],/†–y ; HW„ “‚]7sm1。501 –;  7d,I NCuc 6, HW5c /†, O[ 4 H/†–Kv。 0 ; “WCuc ,501 –;  4 H,ZAv1001 –; 。7‚ 0 ; “YCuc ,501–;  3 HAv,4Av。ƒV , ;501 –; ] I NCu l, ;/7dCu l † l,73[ ,Cu l sž]。Cu l ], 0 ; “1‚ 0 ; “ 3C HWž。 ; HW, I N “ Cuc VC† t ],Œ‚] “†–‚]。0 ; “W ;3 H, Cuc vAs,4 H †,Av。‚ 0 ; “Y Cuc  ;1 Hv, Sv 。 -3, Cuc M– ,4 A/†。ƒV , ; HW,Cu_s •Y–9v,Œ 0 ; “ 3] HW1‚ 0 ; “ HW。m1 ; HWI NCuc •YFig.1 EffectsofshadingtimeonCucontentoftomatostemsm2 ; HWI N Cuc •YFig.2 EffectsofshadingtimeonCucontentinoftomatoleaves2.2 ;} I N‚]†Cuc •Ym3 V,‚ 0 ; “Y/† Cuc‚]; / ;7 0 ; “WCuc5; 100※501 –; h H,C 6t ],†;v Cuc /†,Œ ‚v。 kS  ; /, 0 ; “W/† Cuc  ‚ 0 ; “Y,ƒ9 ;/  lCu  “Y, ;v / 34。 ;} 9v/, 0 ;I N “W †Cuc   6 t ],501 –; /9K,9 251 –;  ;} H,Cuc  /†;‚ 0 ; “Y †Cuc 751 –;/9K, ;v h 7Cuc h。 “W †75[ ; /,Cuc 182 华 北 农 学 报 24卷 “Y;750[/ ;v  H “Y。 0 ;I N “‚Œ lCu ,] H { 9‚ 0 ; “。m4 V[ A, ;} 9v,I N 、/† Cuc  /†, /† /†– † , O 0‚ 0 ; “WAs,/† Cuc  † 。 † Cuc 251 –; HCuc K ,50[/; H “Y † Cuc  “W。m3 ‚]; I N‚]† Cuc •YFig.3 EffectsoflightintensityonCucontentindifferentpartsoftomatostemsm4 ‚]; I N‚]† Cuc •YFig.4 EffectsoflightintensityonCucontentintomatoleavesofdifferentposition3 结论与讨论Y I/,8  l„s  3B“ M。VTV[ A, 5 Z T„ g‹HqBf ƒ/, ; “ ; HW„ I Nc B•Y。Cuc  ; HW7†,ƒ   ; HW ,I N n5VC †–vCu l sž], Pc  6; ; HW,5 3 9v,7“ l †, Cuc  s  9 ŽT•Y, c /†。 €  {Y,I N Cuc †, Cu8  {y ;} 7 s]。501 –;  ;3[ †;v , Cuc  A†,Mg、KMn 9M t ][ 3, 4] ,Œ ;} N,P l•Y l,yN ;/ Pr 3,‹I N g8“, €  l],† 、K、、 g。k“ l /†,R 。I N † Cuc /†, O/† Cuc ‚] ;v /M– l,ƒ /† 3 ; -  , ; Cu _ƒt s  , OCuMŸ ,y7 c ‚ ;†7M。7 † ; WZ 7, ;Cu lh , P c /†。yN ;} Hq/, Pr ›Cu c ,Œ•-/†[ 2], V Cu lh , P † ŒCCu 。8  ,501 –;  ;Hq/ 3 H,I NCuc /†, O ;v † HW7F。 ; 1P † Cuc †,7/† Cuc •Y l。 0 ;I N “ ;/Cu l„ sž•Y l。• ID[ 1] CockshulKE,GravesCJ.Shadingonyieldofglasshousetomatoes[J].HortSci, 1992, 67111-24.[ 2] Warren-Wilson,HandDH,HannahMA.Lightintercep-tionandphotosynthesisefficiencyinsomeglasshousecrops[J].ExperimentalBotany, 1992, 43363-373.[ 3] ,  Ÿ,  ,. ;‚] ˜I N €s •Y[J], j,2006, 213121-124.[ 4] ,  Ÿ,S . i ;I NMnc •Y[J],  a j S, 2004449-50.[ 5]  ,R .,‚,.Cu 3r“d„ †Ÿ•Y[J]. j, 2003, 18476-78.