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Lead uptake by Matricaria chamomilla L

Author

Listed:
  • A. Grejtovský

    (Pavol Jozef Šafárik University, Faculty of Science, Košice, Slovak Republic)

  • K. Markušová

    (Pavol Jozef Šafárik University, Faculty of Science, Košice, Slovak Republic)

  • L. Nováková

    (Pavol Jozef Šafárik University, Faculty of Science, Košice, Slovak Republic)

Abstract

Investigations were carried out under laboratory conditions in a nutrient solution according to Knop to observe the influence of increasing concentrations of Pb (5, 25, 50, 75 μmol/l) on its uptake and accumulation in chamomile (Matricaria chamomilla L.), diploid cv. Novbona. The essential part of Pb taken up by chamomile plants accumulated in roots; only minor portion of the metal was translocated to the above-ground part of the plant. Addition of Pb to the growth medium reduced significantly the root biomass (-46.3% at the highest supply of Pb); reduction in the above-ground dry matter (-18.3%) was insignificant. Pb treatment also reduced chlorophyll content in leaves (P < 0.01). The highest level of Pb resulted in a decrease of Chl a by 52% and of Chl b by 48%. Lead in the nutrient medium induced accumulation of free proline (Pro) in leaf rosette tissues (P < 0.01). Distribution of Pb in chamomile plants (cv. Novbona) and accumulation of Pb with focus on accumulation in inflorescences (drug Flos chamomillae) was investigated in a pot experiment with soil (Orthic Luvisol) supplemented with 50 mg Pb/kg dry soil. At this treatment, the content of Pb in chamomile inflorescences was 3-fold higher in comparison with the control (P < 0.05) but the level of accumulated Pb (2.08 mg Pb/kg dm flowers) was far below the limit (10 mg/kg) set by the WHO as the highest acceptable level of Pb in the chamomile drug.

Suggested Citation

  • A. Grejtovský & K. Markušová & L. Nováková, 2008. "Lead uptake by Matricaria chamomilla L," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 54(2), pages 47-54.
    • Handle: RePEc:caa:jnlpse:v:54:y:2008:i:2:id:2784-pse
    DOI: 10.17221/2784-PSE
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    References listed on IDEAS

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    1. K. Šichorová & P. Tlustoš & J. Száková & K. Kořínek & J. Balík, 2004. "Horizontal and vertical variability of heavy metals in the soil of a polluted area," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 50(12), pages 525-534.
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    Cited by:

    1. So. Asadi Kapourchal & Sa. Asadi Kapourchal & E. Pazira & M. Homaee, 2009. "Assessing radish (Raphanus sativus L.) potential for phytoremediation of lead-polluted soils resulting from air pollution," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 55(5), pages 202-206.

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