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Indole-acyl esters improve the effect of nitrogen and phosphorous fertilization by mitigating the phytotoxicity and concentrations of cadmium and lead in Jatropha curcas L. in contaminated soils

文献类型： 外文期刊

作者： Fang, Zhirong 1 ; Wan, Hongshen 4 ; Xu, Ying 1 ; Liu, Qin 2 ; Liang, Jiang 3 ; Shi, Xiaodong 1 ; Chen, Fang 1 ;

作者机构： 1.Sichuan Univ, Coll Life Sci, Chengdu 610064, Peoples R China

2.Chinese Acad Sci, Chengdu Inst Biol, Chengdu 610041, Peoples R China

3.Xichang Coll, Xichang 615013, Peoples R China

4.Sichuan Acad Agr Sci, Res Inst Crop Sci, Chengdu 610066, Peoples R China

关键词： Jatropha curcas L.; Pb/Cd stress; indole-acyl esters; nitrogen; phosphorus

期刊名称：ARCHIVES OF BIOLOGICAL SCIENCES （ 影响因子：0.956； 五年影响因子：0.943 ）

ISSN： 0354-4664

年卷期： 2019 年 71 卷 4 期

页码：

收录情况： SCI

摘要： The effects of indole-acyl esters (ID), NH4NO3 (N), and KH2PO4 (P), on the mitigation of the toxic effects of Cd and Pb and their concentration in Jatropha curcas L. from contaminated soils was investigated. The concentrations of ID, N, and P were optimized (0.1 mL.L-1, 7 mM, and 2.5 mM, respectively) and they were applied in various combinations to the contaminated soils of potted plants of J. curcas. The results showed that ID together with the N and P fertilizers, increased plant biomass and improved the mitigating effects of the N-P treatments on Cd and Pb toxicity. Plants growing under ID-N-IP treatments had high whole plant biomasses, high concentrations of P, N, Pb and Cd in whole plants, as well as enhanced activities of superoxide dismutase (SOD) and peroxidase (POD). These results point to the phytoremediation ability of J. curcas. We propose a new methodology that can be utilized to study the effects and interactions of multiple factors on plant growth.

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