Tolerance and bioaccumulation of heavy metals in five populations of Cistus ladanifer L. subsp. ladanifer

Kidd, Petra; Díez, Javier López; Monterroso, C.

doi:10.1023/b:plso.0000016550.49264.f3

Cited by 47 publications

(37 citation statements)

References 35 publications

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“…A significant reduction in root K, however, was observed with the supplemental Zn treatments than with no Zn addition causing a significant increase in shoot:root accumulation ratios varying from 1.7:1 (no Zn), 4.9:1 (30 lM Zn), 4.3:1 (40 lM Zn) to 4.9:1 (50 lM Zn). These results are in agreement with the findings of Kidd et al (2004) who reported an increase in transport of K to shoot tissue of gum rockrose (Cistus ladanifer L.) when grown in a nutrient solution in presence of various heavy metals such as Cd, Cr, Mn, or Pb. They attributed this increase to the maintenance of a charge balance between organic acid production and metal complexation in the leaf cells.…”

Section: Zn Treatmentssupporting

confidence: 93%

“…Potassium is a dominant cation in ionic charge balance in cells. Plants can produce increased concentrations of organic acids to complex foliar metals such as Zn and Cd (Marschner 1995), and the increased transport of K to the shoots observed in this investigation could be to maintain a charge balance between acid production and metal complexation in the leaf cells (Kidd et al 2004). For given elements means followed by the same letter across treatments and within a plant part are not significantly different at (P = 0.05)…”

Section: Treatmentsmentioning

confidence: 79%

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Zinc and cadmium accumulation by Lupinus uncinatus Schldl. grown in nutrient solution

Ehsan

Viveros²,

Hernández

et al. 2013

Int. J. Environ. Sci. Technol.

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The effects of zinc and cadmium on the growth, mineral composition (P, K, Ca, Mg, Fe, Zn, Mn, and Cu), and metal accumulation by lupine (bluebonnet, Lupinus uncinatus Schldl.) were investigated in a hydroponics experiment. Plants were exposed to increasing concentrations of Zn (0, 30, 40, and 50 lM) and Cd (0, 3, 4, and 5 lM) for 1 week. The species showed different patterns of metal accumulation and distribution in the plant parts, suggesting different mechanisms of metal tolerance for each metal. At the highest doses of Zn and Cd, the amounts of metals accumulated in roots, stems, and leaves were 1,289, 1,918, and 1,132 mg kg -1 dry matter and 2,467, 227, and 164 mg kg -1 dry matter, respectively. The shoot:root Zn ratios obtained for 50, 40, and 30 lM treatments were 2.36:1, 2.28:1, and 2.32:1, respectively, whereas the ratio in case of Cd remained \1 for the three Cd treatments. No significant effect on plant dry biomass was observed in either of the cases. Significant changes in plant mineral composition occurred, however, concentrations were generally above the deficiency levels. This suggests that this species may tolerate Cd without its hyperaccumulation and shows exclusion mechanism of Cd tolerance.

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Section: Zn Treatmentssupporting

confidence: 93%

Section: Treatmentsmentioning

confidence: 79%

Zinc and cadmium accumulation by Lupinus uncinatus Schldl. grown in nutrient solution

Ehsan

Viveros²,

Hernández

et al. 2013

Int. J. Environ. Sci. Technol.

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“…Sin embargo, las diferentes especies de Cistus de este estudio no crecieron adecuadamente en los suelos 1 y 2, por lo que es posible que la concentración de metales solubles en CaCl2 fuera demasiado elevada para los niveles de tolerancia de estas plantas. Kidd et al (2004) demostraron mediante estudios en disolución nutritiva que la tolerancia de C. ladanifer frente a metales pesados dependió de la línea utilizada, por lo que distintas poblaciones muestran distintos mecanismos de tolerancia para los diferentes metales. Es posible que las líneas utilizadas en este estudio no fueran de las más tolerantes para las condiciones físico-químicas de estos suelos.…”

Section: Discussionunclassified

“…Las concentraciones de Fe fueron muy altas en todas las plantas aunque se detectó una gran variabilidad entre las diferentes macetas. De hecho, los valores fueron muy superiores a los considerados normales en las plantas (50-100 mg kg -1 ; Mengel & Kirky, 2001) y a los encontrados por otros autores en plantas de Cistus (Kidd et al, 2004), llegando a superar los 3.800 mg kg -1 encontrados en las plantas de C. ladanifer crecidas en suelos mineros de Portugal (Alvarenga et al, 2004). Los niveles de Mn fueron inferiores a los encontrados por Alvarenga et al (2004) Kidd et al (2004) encontraron concentraciones muy elevadas de Zn en C. ladanifer llegando a alcanzar 9.000 mg kg -1 en la parte aérea (doble que en las raíces) cuando las plantas se expusieron a concentraciones de 1M de Zn en disolución nutritiva.…”

Section: Discussionunclassified

“…El Cd, al ser un elemento no esencial, se encuentra en la planta en baja concentración (<1 mg kg -1 ), aunque puede ser fácilmente absorbido y acumulado por las raíces, limitando su transporte a la parte aérea. En ensayos realizados con una disolución nutritiva rica en Cd, Kidd et al (2004) encontraron que C. ladanifer era tolerante a Cd, pudiendo llegar a acumular 350 mg kg -1 en su parte aérea, con un transporte eficiente desde las raíces a su parte aérea. En este estudio las especies de Cistus acumularon eficientemente Cd, con unos factores de bioconcentración (concentración en la parte aérea respecto a concentración en el suelo) comprendidos entre 5,3 y 10,6, indicando una gran absorción y transporte de Cd.…”

Section: Discussionunclassified

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Tolerance and accumulation of heavy metals and As in different species of Cistus L.

Almagro¹,

Reinaldos²,

García³

et al. 2015

An Biol

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En este estudio se analizó la tolerancia de cinco especies de Cistus al contenido de metales pesados de dos suelos contaminados de la Sierra Minera de La Unión. Los resultados mostraron que el suelo 1 presentó una elevada toxicidad para las especies de Cistus, debido al alto contenido de metales pesados y a su alta salinidad. El suelo 2 presentó niveles menores de metales pesados totales pero un pH más ácido y por tanto los elementos minerales estaban en formas más solubles y disponibles en el suelo. Los resultados indican que algunas plantas de Cistus podrían ser utilizadas para la recuperación de suelos mineros ya que acumularon altos niveles de metales. Sin embargo, su escaso crecimiento hacen necesario diseñar estrategias que permitan su utilización en procesos de fitoestabilización.Palabras clave: Cistaceae, Fitoestabilización, Suelos mineros. Tolerance and accumulation of heavy metals and As in different species of Cistus L. AbstractIn this study the tolerance of five species of Cistus on the presence of heavy metals in two polluted soils of the Sierra Minera de La Union were analysed. The results indicated that the soil 1 provoked a high toxicity in Cistus species due to its high content of heavy metals and salinity. The soil 2 contained lower concentrations of total metal that soil 1 and an acidic pH and therefore, the mineral elements were more soluble and available in the soil. The results indicated that Cistus plants could be used for the recovery of contaminated soils since these plants accumulated high concentrations of metals. However, due to their slow growth, it is necessary to design new strategies which allow their use in phytostabilization processes.

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Zinc, lead, and cadmium tolerance and accumulation in Cistus libanotis, Cistus albidus, and Cistus salviifolius: Perspectives on phytoremediation

Mamoun

Fahr

Abourouh³

et al. 2020

Remediation Journal

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Heavy metal contamination is of particular concern for human health and the environment. Phytoremediation is an emerging cost‐effective strategy to remediate heavy metal contaminated soil. However, this technique is limited by the small number of plants that are tolerant to heavy metals and are also accumulators. This study assayed zinc, lead, and cadmium tolerance and accumulation in Cistus libanotis, Cistus albidus, and Cistus salviifolius. The plants were cultivated in hydroponic conditions and exposed to different concentrations of Pb(NO3)2 (100 and 200 µM), ZnSO4 (100 and 200 µM), or CdCl2 (10 and 20 µM) for 3 weeks. Plant biomass and metal accumulation in roots and aboveground parts varied greatly among the species. All three species appeared to be sensitive to Zn. However, C. albidus displayed strong tolerance to Pb and accumulated large quantities of Pb and Cd in its roots. C. libanotis accumulated large quantities of Pb and Cd in its aboveground parts. C. libanotis can thus be classified as a Pb and Cd accumulator species. The study results show that C. albidus is suitable for phytostabilization of Pb‐contaminated soils, while C. libanotis can be used for phytoextraction of both Pb and Cd.

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Tolerance and bioaccumulation of heavy metals in five populations of Cistus ladanifer L. subsp. ladanifer

Cited by 47 publications

References 35 publications

Zinc and cadmium accumulation by Lupinus uncinatus Schldl. grown in nutrient solution

Zinc and cadmium accumulation by Lupinus uncinatus Schldl. grown in nutrient solution

Tolerance and accumulation of heavy metals and As in different species of Cistus L.

Zinc, lead, and cadmium tolerance and accumulation in Cistus libanotis, Cistus albidus, and Cistus salviifolius: Perspectives on phytoremediation

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