缺磷胁迫下不同长豇豆品种幼苗的解剖结构

2004, 13(1):48-52 Journal of Plant Resources and Environment / 刘厚诚1 , 陈国菊1, 陈日远1 , 邝炎华2, 吴筱颖1(1. 2 j ,E F#E FZ F19F v,h d d- (1968-), 3, 2 , q,p V,1VY v 3 。(Xianggangqing ,W )、= R (Erlubai , 0 )。 !ZED2 : |vlB0l b 5,1 5 A 。l7 d,1= sZ 7 H, |3B, 0=,!“M Q( 20L), v%, Q20。Hoagland Z,TF(+P)(-P)2 ) , ) K2SO4 K。!A 7 d1Q, ,Y ( 30minY 10min)。L2000 M l1, !15 d |“, |5= = , M5mm4mmvl= ,M M5 mml ,FAA%A%,“ Y? ,=J-P: ) phosphorus-deficiency treatment 0mmolL-1 :LSD_V sA(P =0.01)significantdifference at P =0.01by LSD, X SE , n=102.2 / = M /,= 、E FZ F9(nm:1-6V1),= R=、E FZ FsY930.81%、67.35%28.95%;P sY936.30%、29.83%54.69%;7 RsY947.62%、24.59%66.29%。 / RP = EFZ F1(E /Z 1)sYh 26.09%15.48%,7= R59F32.81%。f /, R= RE/Z 1 ,P ; /=RE /Z 1 RP sY2/31/5。Vn, /, 0 = R 、WP 0 R ,E F9GQhl,Z F= 95GQ9v。 , R= Z F1P = R, RP E /Z 1,7= R9, O (1 RP 。2.3 / M / M(nm:7-12V2), R= R9v8.94%3 .57%,7P h 5.73%。 /, R ! sY9v11 .23%28.00%;P sY9v34.43%30.28%;= R !9v24.69%, 59v82.35%; R= R 9491 : / v3.21%11.59%,7P 5h 17.97%; R59v30.11%(V2),P 9v24.43%,= R59v55.66%。Vn, /, 0 R9F1= Rv,P 5 h ; 9v5= Rv R ,P h ;59VvlGQ= R 、 RP 。 , R 、 5Kv,= RKl。 0 =R ! 9 v,P Q, RKl, , RP ! = R。2.4 / M / (M(nV3), 0 Rh 13.79%,P 9v4.37%,7 0 = R59v6.91%; R= R sYh 10.53%1.24%,7P 59v5.33%。 / R 、P = R5sY9v13.54%、11.33%13.38%。Vn, /, 0 Rh ,7= RP 59v, O= R9v; R= R h ,P9v;3 59v, O9。 ,P 5Kv,= R Q, RKl(+P) “)。V2 / 1 1)Table2 Comparison of stem anatomical structure of Vigna unquiculata W.ssp.sesquipedalis (L.)Verd cultivar seedlings under phosphorus-deficiency stress1)Cultivars) Treatment/mmDiameterof stem/mmDiameterof pith5/mDiameterof vascular!/mmDiameterof xylem /mmThickness of phloemRLuhuabai +P 2.2250.047 1.6530.049 24.182.25 1.1660.058 0.2250.016-P 2.4240.054 1.7060.064 31.462.52 1.2970.042 0.2880.008P Xianggangqing +P 1.9910.1113 1.3800.098 22.883.44 1.9460.090 0.2510.050-P 1.8770.032 1.1320.048 28.471.97 2.6160.101 0.3270.040= RErlubai +P 1.4270.056 0.8970.074 13.781.91 0.8060.083 0.1360.025-P 1.4780.039 1.0010.041 21.454.61 1.0050.124 0.2480.0081) +P:F) phosphorus treatment1mmolL-1;-P: ) phosphorus-deficiency treatment 0mmolL-1 :LSD_V sA(P =0.05)significant difference at P=0.05by LSD; :LSD_V sA(P=0.01)significant difference at P =0.01by LSD, XSE , n=10V3 / 1 1)Table3 Comparison of root anatomical structure of Vigna unquiculata W.ssp.sesquipedalis (L.)Verd cultivar seedlings under phosphorus-deficiency stress1)Cultivar) Treatment/mmDiameterof root/mmDiameterof pith5/mDiameterofvascularRLuhuabai +P 0.4570.011 0.1710.006 16.171.11-P 0.3940.011 0.1530.001 18.362.44P Xianggangqing +P 0.4810.022 0.1690.012 17.911.76-P 0.5020.018 0.1780.012 19.941.54= RErlubai +P 0.3910.024 0.1610.022 17.341.26-P 0.4180.015 0.1590.018 19.661.331) +P:F) phosphorus treatment1mmolL-1;-P: ) phosphorus-deficiency treatment 0mmolL-1 :LSD_V sA(P =0.01)significantdifference at P =0.01by LSD, X SE , n=103 讨 论 /, = 、E F、Z F9, (Phaseolus vulgaris Linn.) S kT 1B。 0 = R ,E F9v,E FZ F1(E /Z 1)9v; 0 RZ F= 9 v,E /Z 1h 。 /, 0 = R d 50 13 9F v,E F1 0 R,E /Z 1 RP 。Dl ry ? ,E FE /Z 19F v,h d d- ,i. / 3Q A .S j.S M jS, ? , 2. /l tys J .r ,1998,35(2):235-241.4 ,i, . / V# MJ .,2003, 30(2):215-217.5 f , g ,B .!ys A .f .r ! (B )M .:j,i, ,. / 3 J . 2 j: / 刘厚诚等:缺磷胁迫下不同长豇豆品种幼苗的解剖结构 图版LIUHou-cheng et al:Anatomicalstructuresof seedlingsof Vigna unquiculata ssp.sesquipedalis cultivarsunder phosphorus-deficiencystress Plate See theexplanationof theend oftext52 13