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-  2017 

外源柠檬酸和乳酸对海州香薷吸收和转运镉的影响 Effects of Exogenous Citric and Lactic Acid on Absorption and Transport of Cadmium by Elsholtzia haichowensis

Keywords: 海州香薷,,柠檬酸,乳酸

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Abstract:

利用水培法研究了不同浓度镉(Cd)胁迫下,添加柠檬酸或乳酸对海州香薷生物量、抗性,以及吸收和转运镉的影响.结果表明:较低浓度(2mg·L~(-1))的Cd可以促进海州香薷的生长;添加柠檬酸或乳酸均能提高海州香薷对Cd的抗性和吸收量,且添加乳酸20μmol·L~(-1)时抗性最强,添加柠檬酸3mmol·L~(-1)时吸收能力最强;添加柠檬酸或乳酸均能有效提高海州香薷转运Cd的能力,且添加20μmol·L~(-1)的乳酸时海州香薷的转运能力最强

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