缺磷胁迫下不同长豇豆品种幼苗的解剖结构

±þ'÷ÐÌâÐ 2004, 13(1):48-52 Journal of Plant Resources and Environment ç/Éöø ÖÕ¼ 쥳 é²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 £F®ÐZ åF®¨¥1´9F v,h Ð d d-¥ ¨ô(1968-), 3,µ 2 ù÷ ¦,¬ q,p V,ö1VY v ¡ ¡ 3 Øùî。(Xianggangqing' ,ÏW Ë)、= Râ' (Erlubai' , 0 )。 ¡!ZEÓD2 :Ê |vl'BÁ¥Õ0lÕ b± ì5Ï,¨1 £ û ì5 A Î。lÕª7 d,»1= sZ 7 H, |3ÉBÁ¥±é, Õ0=,!êô“ªM± £ ¡QÏ( ¸20L),±é¨ Ñ v%çç±Ï, ÄQ20é。¨Hoagland ¥Z,TF(+P)(-P)2ñ£ Ü) Ø, ) بK2SO4 K¥。!A Äï7 d÷Ð1Q,¨ ,ÃY ( Äï30minY 10min)。L¿2000 M l1É, ¡!15 dª |“, |»5«µ=Ï ¥î = Ë,¨ Ë Mî5mm×4mmvl¥= Ë,MÊÔ î ôMîÉÿ5 mm¥l ,FAA%çA%ç,“ Y? £,=J-P: ) Øphosphorus-deficiency treatment 0mmol·L-1 :LSD_V üµsA÷(P =0.01)significantdifference at P =0.01by LSD, X ±SE , n=102.2 ç/Éöø¼ ì= ˳ é²MÄ ç/,Éöø= ˨、E £F®Z åF®9¨(nmñ:1-6V1),= Râ'¥=Ë、E £F®Z åF®sY9¨30.81%、67.35%28.95%;PÖ 'sY9¨36.30%、29.83%54.69%;7 R½â'sY9¨47.62%、24.59%66.29%。 ç/ R½â'PÖ '= ËE£F®¨ÐZ åF®¨¥1´(E £/Z å1)sYh 26.09%15.48%,7= Râ'59F32.81%。f /, R½â'= Râ'¥E£/Z å1´ ¤Í,PÖ ' Ú ç/=Râ'¥E £/Z å1´ R½â'PÖ 'sYÿÚ2/31/5。Vn, ç/, 0 ¥= Râ' 、ÏWË¥PÖ ' 0 ¥ R½â' ,E £F®9GQhl,Z åF®= ˨95GQ9v。 Ð, R½â'¥= ËZ åF®û1PÖ '= Râ'¨, R½â'PÖ '¥E £/Z å1´®,7= Râ'9Ú, O (1 R½â'PÖ 'Ú。2.3 ç/Éöø¼ ìÔ³ é²MÄ ç/Éöøò ÖÕ¼ ìÔ°åûµMÄ(nmñ:7-12V2), R½â'= Râ'Ô°å9v8.94%3 .57%,7PÖ ' h 5.73%。 ç/, R½â' !É ¨ ÃsY9v11 .23%28.00%;PÖ 'sY9v34.43%30.28%;= Râ' !É9v24.69%,¨ Ã59v82.35%; R½â'= Râ'Ô Ý949»1 ù >¨ô©: ç/Éöø ÖÕ¼ 쥳 é²v3.21%11.59%,7PÖ '5h 17.97%; R½â'Ô5°å9v30.11%(V2),PÖ '9v24.43%,= Râ'59v55.66%。Vn, ç/, 0 ¥ R½â'Ô°å9F1= Râ'v,PÖ '5 µh ; Ý°å9v5= Râ'v¿ R½â' ,PÖ 'h ;5°å9VvÀlGQ¹= Râ' 、 R½â'PÖ ' 。 Ð, R½â'¼ ìÔ、 Ý5°åûKv,= Râ'Kl。 0 ¥=Râ'Ô !É ¨ Ã9 v,PÖ ' Q, R½â'Kl, Ð, R½â'PÖ'¥ !É ¨ Ãû = Râ'¨。2.4 ç/Éöø¼ ìô³ é²MÄ ç/Éöø¼ ìô³ é² (µMÄ(nV3), 0 ¥ R½â'ô°åh 13.79%,PÖ '9v4.37%,7 0 ¥= Râ'59v6.91%; R½â'= Râ'ô Ý°åsYh 10.53%1.24%,7PÖ '59v5.33%。 ç/ R½â' 、PÖ '= Râ'¥ô5°åsY9v13.54%、11.33%13.38%。Vn, ç/, 0 ¥ R½â'ô°åh ,7= Râ'PÖ '59v, O= Râ'9v; R½â'= Râ' Ý°åh ,PÖ'9v;3ñ ÖÕ¥5°åû9v, O9¤Í。 Ð,PÖ '¥ô5°åûKv,= Râ' Q, R½â'Kl(+P) Ø¥ô°å“)。V2 ç/Éöø ÖÕ¼ ìÔ³ é²¥1 1)Table2 Comparison of stem anatomical structure of Vigna unquiculata W.ssp.sesquipedalis (L.)Verd cultivar seedlings under phosphorus-deficiency stress1)ÖÕCultivars) ØTreatmentÔ°å/mmDiameterof stemÝ°å/mmDiameterof pith5°å/mDiameterof vascular!É°å/mmDiameterof xylem¨ è/mmThickness of phloemR½âLuhuabai +P 2.225±0.047 1.653±0.049 24.18±2.25 1.166±0.058 0.225±0.016-P 2.424±0.054 1.706±0.064 31.46±2.52 1.297±0.042 0.288±0.008PÖ Xianggangqing +P 1.991±0.1113 1.380±0.098 22.88±3.44 1.946±0.090 0.251±0.050-P 1.877±0.032 1.132±0.048 28.47±1.97 2.616±0.101 0.327±0.040= RâErlubai +P 1.427±0.056 0.897±0.074 13.78±1.91 0.806±0.083 0.136±0.025-P 1.478±0.039 1.001±0.041 21.45±4.61 1.005±0.124 0.248±0.0081) +P:F) Øphosphorus treatment1mmol·L-1;-P: ) Øphosphorus-deficiency treatment 0mmol·L-1 :LSD_V üµsA÷(P =0.05)significant difference at P=0.05by LSD; :LSD_V üµsA÷(P=0.01)significant difference at P =0.01by LSD, X±SE , n=10V3 ç/Éöø ÖÕ¼ ìô³ é²1 1)Table3 Comparison of root anatomical structure of Vigna unquiculata W.ssp.sesquipedalis (L.)Verd cultivar seedlings under phosphorus-deficiency stress1)ÖÕCultivar) ØTreatmentô°å/mmDiameterof rootÝ°å/mmDiameterof pith5°å/mDiameterofvascularR½âLuhuabai +P 0.457±0.011 0.171±0.006 16.17±1.11-P 0.394±0.011 0.153±0.001 18.36±2.44PÖ Xianggangqing +P 0.481±0.022 0.169±0.012 17.91±1.76-P 0.502±0.018 0.178±0.012 19.94±1.54= RâErlubai +P 0.391±0.024 0.161±0.022 17.34±1.26-P 0.418±0.015 0.159±0.018 19.66±1.331) +P:F) Øphosphorus treatment1mmol·L-1;-P: ) Øphosphorus-deficiency treatment 0mmol·L-1 :LSD_V üµsA÷(P =0.01)significantdifference at P =0.01by LSD, X ±SE , n=103 讨 论 ç/,Éöø¼ ì= Ë、E £F®、Z åF®9¨,Ð æ¨ø(Phaseolus vulgaris Linn.) îS¥ k²T 1BÁ。 0 ¥= Râ' ,E £F®9¨÷v,E £F®¨ÐZ åF®¨1´(E £/Z å1)9v; 0 ¥ R½â'Z åF®= Ë9¨ v,E £/Z å1h 。 ç/, 0 ¥ ÖÕ= Râ' d á50 ±þ'÷ÐÌâÐ »13 9F v,E £F®1 0 ¥ ÖÕ R½â'¨,E £/Z å1 R½â'PÖ 'Ú。ÐÓD¡¥l Úry £ ? ï £,E £F®¨E £/Z å19F v,h Ð d d-¥ ¨ô,i¿.Éöø ÖÕ¼ ì ç/¥ 3ÉQùî A .ÏS jÐö.ÏS M jSï, Ù? , Ù 2.® ç/l ¹ t¥yµs J .r Ð,1998,35(2):235-241.4 >¨ô,i¿,ç °ù. ç/Éöø¼ ì «VÄ# ¹ ½MÄJ .óÐ,2003, 30(2):215-217.5 f í, g §,£B Ü.±þ!yµs¥ Ø A .f í.r бþ!ùîî ÿ(»B )M .Ø:Øj¨ô,i¿,ç °ù,©. ç/Éöø ÖÕ¼ ì3Éùî J .¿ 2 j¨ô©: ç/Éöø ÖÕ¼ 쥳 é²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 ±þ'÷ÐÌâÐ »13