弱光对不同类型番茄干物质积累及矿质营养分配的影响

l :2005-11-12 “:SE8639 “(2001AA247011);SE“ E” S/1 “(2001BA5031306); + jv M = S “Te:(1972-), 3, ,p V, q,1V Y ! e v 3 T; ? YT。; I N #!s Y杨延杰1 ,李天来1,林 多2 ,范文丽1 ,韩 凌1(1. + jv, a 8 ! L i, a + 110161;2. j“, 265200)K1: ; i = ; I N # !s Y。TV : ; Y s , HMg,K l ,7N,P,Ca Y l, ;/ 9 gKg。I N ;/, 2 =M,N= 9Kv,K“ 9Kv。7 3I N “ ;/ /l “。1oM: ;I N; !ms |:S641.2 DS M :A cI|:1000-7091(2006)03-0121-04Effectsof LowLight onDryMatterandMacronutrientAccumulationinDifferent TypeTomatoYANG Yan-jie 1, LI Tian-lai1, LIN Duo2,FAN Wen-li1, HAN Ling1(1.Horticultural College, ShenyangAgricultural University, Liaoning Province Key Laboratory ofGreenhouseHorticulture, Shenyang 110161,China;2.Horticulture Department, Laiyang AgriculturalCollege, Laiyang 265200,China )Abstract:The effects of low light on dry matteraccumulation and macronutrient allocation in tomatowere studied inthis paper.The results showed that the dry matter accumulation in plant was seriously decreased in light density lowerthan 50%control condition.Theabsorption of magnesiumand potassiumby tomato plantwas restrained by low light den-sity, only little restrained at nitrogen, phosphorus and calcium.Enhancing application magnesium and potassium fertiliz-ers for the improvementof tomatogrowth and development in low light density condition was important.The accumulationchange ofmacronutrientwere differentin root, stem, and leaf .Nitrogen increment ratewas themostin leaf, and potassi-umwas in root.The decrease of dry matter accumulation was smaller in wild type line than aetiolated type line.Keywords:Low light;Tomato;Dry matter;Macronutrient; ! T 31Ky B,;vVZ YT 3?。B f /, “;v9 ,T;T9,7 O !s p 99F。MQ, “;vh ,T;T/,7 O ! p 9h 。1 p;v I N N。 7,1 ;I N;T! lY Bt,;vYI N ! p Z N,P,K 9 M,7 2 l N,P,K ,Ca,Mg #t! 1“Z , OTs v 1 3 ,B。YV;v/ 0 ;I N “ 0 ; “ 2 =s ? p1 , ;/I N ! p+,7华北农学报2006 , 21(3):121-124 ;I N 3?Y4G 。1 材料和方法1.1 k k2003 M=1 + jv S + ; i =。 3 I N “(7 3,W) 3 IN “(lM8,Y) k。2003 M121 l,327 5 = H。 - g75 000 kg/hm2 , U 300 kg/hm2 、=300 kg/hm2 、 ; K450 kg/hm2 , I, 55cm, 35 cm,。“ ;) ,?ZE 5 。1.2 k !9k uF !9,I N 7 d,i; q; i = I N ;) , P) =;vsY1 ; 75%( ;)、50%( ;)25%( ;), i =1 ; v,3Q, ) 18。 k W d ? , ! =1 ; 950 1120mol/(m2s),) ; sY710 874(75%; )、465.5 621(50%; )245 270 mol/(m2s)(25%; )。1.3 kZEI N ;) 21 d(04 -23) |“。| s、=T L,105 15 min,70/,sY ,x V d0.28 mmr ,2 =%i,!s。 )-Q o )1 ENc 4 ,M1 EPc 5 ,TAS-9860 ls;9EK,Ca,Mgc 。W.7 3I N “Wild type line;Y.I N “Aetiolated type line,/m1 ;v I N YFig.1 Effectsofdifferentlightintensity ondry matteraccumulation in tomatoplant2 结果与分析2.1 ;I N Y;I N AY(m1)。I N ;(75%i; q)/, Kv,7 3I N “W 9F(25.7%)v “Y(14.1%);= ! 2= 9F v,T Ls1 q ;) M, y) ; 710 874mol/(m2s);I N 3K aR; S =;BWVC= 9v,M% ,T L 9 /, y =;v /y71v。7;(50%i; q);(25%i;q) ;v AI N 3 aR; ,)I N!8T L (/,3 A v, /,I N qx s , T。 ,;v 11, ! = ;I N T;7i; q1 ;v50%(; 0Y 465.5 621 mol/(m2s) H,I N sY,/ 3? , 0 ; I N “Yv, 4N ;/ 。122 华 北 农 学 报 21卷V1 ;I NN,P, K, Ca, Mg YTab.1 Effectsoflowlightintensityon N, P,K, Ca, Mgaccumulationin tomatoplant “Item i; q(%)Relative light intensity25 50 75 100 Nc NitrogencontentW(mg/) 263.39 648.75 662.66 741.651ckh (%) 64.49 12.53 10.65Y(mg/) 70.07 73.67 108.52 98.331ckh (%) 28.74 25.08 -10.36Pc PhosphoruscontentW(mg/) 23.01 47.99 46.93 70.251ckh (%) 67.25 31.68 33.20Y(mg/) 2.79 3.65 3.99 4.721ckh (%) 40.96 22.70 15.55Kc PotassiumcontentW(mg/) 224.85 540.89 602.89 868.991ckh (%) 74.13 37.76 30.62Y(mg/) 52.70 65.50 114.00 105.421ckh (%) 50.01 37.87 -8.14Cac CalciumcontentW(mg/) 125.40 234.00 267.60 402.301ckh (%) 68.84 41.83 33.47Y (mg/) 53.00 65.50 94.00 98.501ckh (%) 46.19 33.50 4.57Mgc MagnesiumcontentW(mg/) 89.08 179.83 227.70 352.091ckh (%) 74.70 48.93 35.33Y(mg/) 19.92 21.10 45.70 44.331ckh (%) 55.06 52.41 -3.09m2 ;I NN,P, K, Ca, Mg s YFig.2 Effectoflowlightintensity onaccumulation and allocationofnitrogen, phosphorus, potassium, calciumandmagnesiumintomatoplant3期 杨延杰等:弱光对不同类型番茄干物质积累及矿质营养分配的影响 123 2.2 ;I N Y;) 21 d,I N C As(V1)。 ;) (75 %i; q) AY, aR;v S =, “I NYNHq/N ,K,Mg l .9F。;) (50%i;q) lY v。;) (25%i; q) lYKv。vM1,25%i; q/ /7 3I N “W 64.49% 74.70%, “Y28.74% 55.06%。 ; l Y,MgYKv, QK ,Ca,P,NYKl。 I N! 3 ;/ 3,“5 l%1!,7 0 l sK。M ;/ 3 , =Nc V,a e,E V / nn。2.3 ; I N 2 =s YI N ;/ 321 d, 2 = (9)sTV (m2),NCa= Kv, 2c (9F, ;/c / t , “WCac 6;K“ Kv,/ ;HKc ; 9F79F, ;H,c /;P 2 = MM,“ K ;Mg ;/= c 6,c , ; H,= Mgc ,c 6(W) (Y),“c /。;v/,7 3I N“WI N “Y 2N,Cac M l,77 3I N “Pc I N “,Kc I N “,7 3I N “ ;) 2 =4vI N “。3 结论与讨论kTV , ;Hq/(75%; ,710 874 mol/(m2s)I N T l,; ;v50%(465.5 621mol/(m2s) HYF, _T L=s YK; I N l 9 vY,=1I N; 621 mol/(m2s)(50%; ) H Mg,K l ,7N,P,Ca l Y l。yN ;/ Pr,S g8“, p1 g , 9 gKg,;/“ 3 l, l l ? , V I n= 。I N ;/, 2 = M,P 2 = M,NCa= 9Kv,K“ 9Kv,Mgc WVCs。 ;/, 0 ;7 3I N “W, 1 0 ;I N “Yh v, 1 ;I/ h v! l h ,V7 P8 =!c 6#。ShaheenGizawayTB 2, 6 。yN, ?YV8 = l I N 0 ; , I n M1 3?S。8 2 = r 8 3 , %A Y 3?B。 ID: 1 Dijk S J,Van de.Differences between genotypes of tomato infoliar contents of total phosphorus, total nitrogen and nitratenitrogen under low light intensity and low night temperatures J .JAgri Sci, 1986, 34:49-55. 2 El-GizawyA M, ComaaH M.Effect of different shading lev-els on tomato plants.1.Growth, flowering and chemicalcomposition J .ActaHorticulture, 1992, 323:341-347. 3 Masuda M, Shimada Y.Diurnal changes in mineral concen-trations of xylem exudates in tomato plants and their concen-trations as affected by sunlight intensity and plant ages J .Journal of the Japanese Society for Horticultural Science,1993,61(4):839-845. 4 fD. )Q o )1 E9 : f J .S j S, 1999,1:85-88.5 6.r g E M .: j,1988. 6 Shaheen A M , Helal R M.Seedling production of someveg-etables under plastic houses adifferent levels of light intensi-ties J .Egyptian Journal of Horticulture, 1996, 22(2): 175-192.124 华 北 农 学 报 21卷