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Effect of microbial inoculation and EDTA on the uptake and translocation of heavy metal by corn and sunflower.
Chemosphere. 2009 Aug; 76(7):893-9.C

Abstract

A greenhouse experiment was carried out to study the effect of microbial inoculation and EDTA as synthetic chelator on heavy metals (Zn, Cu, Pb and Cd) uptake into and translocation within corn (Zea mays) and sunflower (Helianthus annuus) grown on contaminated soil. Four treatments were included: the control, EDTA as synthetic chelator, inoculation with arbuscular mycorrhizal fungi (AMF), and the inoculation with yeast. Microbial inoculation increased biomass of both species of agricultural crop plants, but EDTA addition decreased only biomass of sunflower. The results also showed that EDTA was more effective than microbial inoculation at increasing the concentrations of all metals in plants. Generally, there were significant differences among the treatments in the most metals taken up, especially by corn plants, with an order: AM fungi>yeast>EDTA>control except for Pb. It was found that the efficiency of EDTA in increasing Pb uptake was significantly higher than that of microbial inoculation treatments. The most effective treatments to stimulate the translocation of the studied metals from roots to shoots were EDTA and/or AM fungi. Overall, the maximum metal uptake and phytoextraction efficiencies were pronounced for corn either with AM fungi treatment for Zn, Cu and Cd or after EDTA addition for Pb. However, heavy metals uptake was not high enough to achieve extraction rates which would be necessary for practical use.

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Authors+Show Affiliations

Usman AR
Department of Soils and Water, Faculty of Agriculture, Assiut University, Assiut 71526, Egypt. adelusman71@yahoo.com
Mohamed HM
No affiliation info available

MeSH

Chelating AgentsEdetic AcidGreenhouse EffectHelianthusMetals, HeavyMycorrhizaeSoil PollutantsYeastsZea mays

Pub Type(s)

Journal Article

Language

eng

PubMed ID

19524998

Citation

Usman, Adel Rabie Ahmed, and Hashem M. Mohamed. "Effect of Microbial Inoculation and EDTA On the Uptake and Translocation of Heavy Metal By Corn and Sunflower." Chemosphere, vol. 76, no. 7, 2009, pp. 893-9.
Usman AR, Mohamed HM. Effect of microbial inoculation and EDTA on the uptake and translocation of heavy metal by corn and sunflower. Chemosphere. 2009;76(7):893-9.
Usman, A. R., & Mohamed, H. M. (2009). Effect of microbial inoculation and EDTA on the uptake and translocation of heavy metal by corn and sunflower. Chemosphere, 76(7), 893-9. https://doi.org/10.1016/j.chemosphere.2009.05.025
Usman AR, Mohamed HM. Effect of Microbial Inoculation and EDTA On the Uptake and Translocation of Heavy Metal By Corn and Sunflower. Chemosphere. 2009;76(7):893-9. PubMed PMID: 19524998.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Effect of microbial inoculation and EDTA on the uptake and translocation of heavy metal by corn and sunflower. AU - Usman,Adel Rabie Ahmed, AU - Mohamed,Hashem M, Y1 - 2009/06/13/ PY - 2008/12/29/received PY - 2009/05/03/revised PY - 2009/05/09/accepted PY - 2009/6/16/entrez PY - 2009/6/16/pubmed PY - 2009/11/11/medline SP - 893 EP - 9 JF - Chemosphere JO - Chemosphere VL - 76 IS - 7 N2 - A greenhouse experiment was carried out to study the effect of microbial inoculation and EDTA as synthetic chelator on heavy metals (Zn, Cu, Pb and Cd) uptake into and translocation within corn (Zea mays) and sunflower (Helianthus annuus) grown on contaminated soil. Four treatments were included: the control, EDTA as synthetic chelator, inoculation with arbuscular mycorrhizal fungi (AMF), and the inoculation with yeast. Microbial inoculation increased biomass of both species of agricultural crop plants, but EDTA addition decreased only biomass of sunflower. The results also showed that EDTA was more effective than microbial inoculation at increasing the concentrations of all metals in plants. Generally, there were significant differences among the treatments in the most metals taken up, especially by corn plants, with an order: AM fungi>yeast>EDTA>control except for Pb. It was found that the efficiency of EDTA in increasing Pb uptake was significantly higher than that of microbial inoculation treatments. The most effective treatments to stimulate the translocation of the studied metals from roots to shoots were EDTA and/or AM fungi. Overall, the maximum metal uptake and phytoextraction efficiencies were pronounced for corn either with AM fungi treatment for Zn, Cu and Cd or after EDTA addition for Pb. However, heavy metals uptake was not high enough to achieve extraction rates which would be necessary for practical use. SN - 1879-1298 UR - https://www.unboundmedicine.com/medline/citation/19524998/Effect_of_microbial_inoculation_and_EDTA_on_the_uptake_and_translocation_of_heavy_metal_by_corn_and_sunflower_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S0045-6535(09)00622-5 DB - PRIME DP - Unbound Medicine ER -