磷硒配施对冬小麦幼苗磷硒吸收和转运的影响
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摘要
【目的】研究磷硒配施对冬小麦幼苗生物量以及磷、硒吸收和转运的影响。【方法】采用改良的霍格兰营养液培养的方式,分别设置3个磷水平(0. 31,3. 1,31 mg/L)和3个硒水平(0,0. 1,1 mg/L),共9个处理。【结果】中磷(P3. 1)和高磷(P31)处理增加小麦幼苗地上部生物量,降低小麦幼苗根冠比; 2个施硒处理(Se0. 1和Se1)则降低小麦幼苗地上部生物量,增加小麦幼苗根冠比,磷硒配施有利于根系的生长发育。施硒(Se0. 1和Se1)抑制冬小麦磷向地上部的转运和累积,却在高磷(P31)水平下促进根系对磷的吸收。在缺硒(Se0)条件下,施磷(P3. 1和P31)处理显著提高冬小麦地上部和根系硒含量、累积量以及硒的迁移系数;在低硒(Se0. 1)和高硒(Se1)条件下,施磷(P3. 1和P31)显著降低小麦幼苗硒含量、累积量和迁移系数,存在显著的拮抗作用。【结论】对于冬小麦幼苗磷、硒的吸收和转运,磷、硒之间存在既相互促进又相互拮抗的效应,这种效应与磷、硒的施用水平有一定关系。
【Objective】The aim of this paper was to study the effect of phosphorus( P) combined with selenium( Se) on biomass,uptake and translocation of P and Se in winter wheat seedlings.【Method】A hydroponics trial with three P level( 0. 31,3. 1,31 mg/L) and three Se level( 0,0. 1,1 mg/L) was conducted.【Result】The results indicated that medium( P3. 1) and high( P31) P application increased the shoot biomass and decreased the root/shoot ratio; while Se application( Se0. 1 and Se1) also decreased shoot biomass and increased the root/shoot ratio; combination of P and Se improved the root growth in winter wheat. Se application( Se0. 1 and Se1) inhibited the translocation and accumulation of P in shoots,but enhanced the P uptake and accumulation in roots at high P( P31) supply rate. Under Se deficiency( Se0),P application( P3. 1 and P31) increased Se concentration and accumulation in shoots and roots as well as Se translocation coefficient;at low( Se0. 1) and high Se( Se1) supply rates,P application( P3. 1 and P31) remarkably decreased Se concentration and accumulation in winter wheat. The obverse antagonism was observed between P and Se.【Conclusion】For the absorption and translocation of P and Se in winter wheat seedlings,there were both mutual promotion and antagonism relationship between P and Se,which was related to the P and Se supply rates.
【Objective】The aim of this paper was to study the effect of phosphorus( P) combined with selenium( Se) on biomass,uptake and translocation of P and Se in winter wheat seedlings.【Method】A hydroponics trial with three P level( 0. 31,3. 1,31 mg/L) and three Se level( 0,0. 1,1 mg/L) was conducted.【Result】The results indicated that medium( P3. 1) and high( P31) P application increased the shoot biomass and decreased the root/shoot ratio; while Se application( Se0. 1 and Se1) also decreased shoot biomass and increased the root/shoot ratio; combination of P and Se improved the root growth in winter wheat. Se application( Se0. 1 and Se1) inhibited the translocation and accumulation of P in shoots,but enhanced the P uptake and accumulation in roots at high P( P31) supply rate. Under Se deficiency( Se0),P application( P3. 1 and P31) increased Se concentration and accumulation in shoots and roots as well as Se translocation coefficient;at low( Se0. 1) and high Se( Se1) supply rates,P application( P3. 1 and P31) remarkably decreased Se concentration and accumulation in winter wheat. The obverse antagonism was observed between P and Se.【Conclusion】For the absorption and translocation of P and Se in winter wheat seedlings,there were both mutual promotion and antagonism relationship between P and Se,which was related to the P and Se supply rates.
引文
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[22]Zhang D,Dong TY,Ye J,et al. Selenium accumulation in wheat(Triticum aestivum L.)as affected by coapplication of either seleniteor selenate with phosphorus[J]. Soil Science and Plant Nutrition,2017,63(1):37-44.
[23]Terry N,Zayed A M,Souda M P,et al. Selenium in higher plants[J]. Annual Review of Plant Molecular Biology,2000,51:400-432.
[24]陈思杨,江荣风,李花粉.苗期小麦和水稻对硒酸盐/亚硒酸盐的吸收及转运机制[J].环境科学,2011,32(1):284-289.
[25]Li H F,Mc Grath S P,Zhao F J. Selenium uptake,translocationand speciation in wheat supplied with selenate or selenite[J]. NewPhytologist,2008,178(1):92-102.
[26]Muchhal U S,Raghothama K G. Transcriptional regulation of plantphosphate transpreter[J]. Proceedings of the National Academy ofSciences USA,1999,96:5868-5872.
[2]Gissel-Nielsen G,Gupta U C,Lamand M,et al. Selenium in soilsand plants and its importance in livestock and human nutrition[J].Advances in Agronomy,1984,37:397-460.
[3]宋家永,张万业,王永华,等.小麦富硒生产技术研究[J].中国农学通报,2005,21(5):197-199.
[4]李培青.硒元素与人体健康[J].怀化学院学报,2004,23(2):35-36.
[5]张驰,吴永尧,彭振坤,等.植物硒的研究进展[J].湖北民族学院学报(自然科学版),2002,20(3):58-62.
[6]Antanaitis A,Lubyte J,Antanaitis S,et al. Selenium concentrationdependence on soil properties[J]. Journal of Food,Agriculture andEnvironment,2008(6):163-167.
[7]彭耀湘,陈正法.硒的生理功能及富硒水果的开发利用[J].农业现代化研究,2007,28(3):381-384.
[8]Cao Z H,Wang X C,Yao D H,et al. Selenium geochemistry ofpaddy soils in Yangtze River Delata[J]. Environmental Internation-al,2001,26:335-339.
[9]李春喜,蒿宝珍,姜丽娜,等.小麦生长发育过程中硒的研究进展[J].安徽农业科学,2007,35(13):3811-3814.
[10]Zhou Y,Yang X R,He Q S. Speciation of Selenium in AnimalFeed(Squid Meal and Fish Meal)by HPLC-ICP-MS[C]. The FirstInternational Conference on Selenium in the Environment and HumanHealth,2009:27-28.
[11]毛瑞玲,熊淑霞,李莹,等.科学施磷肥增产作用大[J].农家参谋,2011(9):8-8.
[12]刘勤,曹志洪.磷硒交互作用对水稻硒吸收累积的影响[J].扬州大学学报(农业与生命科学版),2003,24(4):67-70.
[13]Carter D L,Robbins C W,Brown M J. Effect of phosphorus fertili-zation on the selenium concentration in alfalfa[J]. Soil Science Soci-ety,1972,36(4):624-628
[14]Singh M,Malhotra P K. Selenium availability in berseem(Trifoli-umalexandrinum)as affected by selenium and phosphorus application[J]. Plant and Soil,1976,44:261-266.
[15]Le'vesque M. Some aspects of selenium relationships in eastern[J]. Canadian Soils and Plants,1974,54:205-214.
[16]Singh M,Singh N. Selenium toxicity in plants and its detoxicationby phosphorus[J]. Soil Science,1978,126:255-262.
[17]Liu Q,Wang DJ,Jiang XJ,et al. Effects of the interactions be-tween selenium and phosphorus on the growth and selenium accumu-lation in rice(Oryza sativa)[J]. Environmental Geochemistry andHealth,2004,26:325-330.
[18]赵文龙,胡斌,王嘉薇,等.磷与四价硒的共存对小白菜磷、硒吸收及转运的影响[J].环境科学学报,2013,33(7):2020-2026.
[19]鲍士旦.土壤农化分析[M].第3版.北京:中国农业出版社,2000:268-270.
[20]国家质量监督检验检疫总局.茶叶中硒含量的检测方法:GB/T 21729-2008[S].北京:中国标准出版社,2008:1-2.
[21]Mora Mdl L,Pinilla L,Rosas A,et al. Selenium uptake and its in-fluence on the antioxidative system of white clover as affected by limeand phosphorus fertilization[J]. Plant and Soil,2008,303(1/2):139-149.
[22]Zhang D,Dong TY,Ye J,et al. Selenium accumulation in wheat(Triticum aestivum L.)as affected by coapplication of either seleniteor selenate with phosphorus[J]. Soil Science and Plant Nutrition,2017,63(1):37-44.
[23]Terry N,Zayed A M,Souda M P,et al. Selenium in higher plants[J]. Annual Review of Plant Molecular Biology,2000,51:400-432.
[24]陈思杨,江荣风,李花粉.苗期小麦和水稻对硒酸盐/亚硒酸盐的吸收及转运机制[J].环境科学,2011,32(1):284-289.
[25]Li H F,Mc Grath S P,Zhao F J. Selenium uptake,translocationand speciation in wheat supplied with selenate or selenite[J]. NewPhytologist,2008,178(1):92-102.
[26]Muchhal U S,Raghothama K G. Transcriptional regulation of plantphosphate transpreter[J]. Proceedings of the National Academy ofSciences USA,1999,96:5868-5872.