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Garden pansy (Viola × wittrockiana Gams.) - a good candidate for the revitalisation of polluted areas

Author

Listed:
  • Klaudia Sychta
  • Aneta Słomka

    (Department of Plant Cytology and Embryology, Institute of Botany, Faculty of Biology, Jagiellonian University, Cracow, Poland)

  • Elżbieta Kuta

    (Department of Plant Cytology and Embryology, Institute of Botany, Faculty of Biology, Jagiellonian University, Cracow, Poland)

Abstract

In the current studies, heavy metal tolerance level, accumulation efficiency and sexual reproduction were determined in Viola × wittrockiana, a non-metallophytic ornamental cultivar in comparison to V. tricolor, a metallophyte, after zinc (Zn) or lead (Pb) treatment (0, 10, 100 and 1 000 ppm) in pot experiments. The seed germination frequency that was not reduced in comparison to the control, the effective Zn absorption from the soil and exclusion strategy for Pb, as well as the regular sexual reproduction of V. × wittrockiana treated with heavy metals all indicate the tolerance of this plant to heavy metals. The lack of a seed set under experimental conditions of V. × wittrockiana was due to the absence of pollinators, rather than the negative impact of heavy metals, as pollen viability and ovule development were normal under the treatments. The results indicate that V. × wittrockiana represents similar tolerance to Viola metallophytes and could be considered as a good material for the reclamation of polluted areas. The exceptional tolerance to heavy metals, the ability to initiate new generations in heavy-metal-burdened soil, which are additionally coupled with the unique beauty, make the garden pansy a good candidate to be potentially used in the future for phytoremediation purposes.

Suggested Citation

  • Klaudia Sychta & Aneta Słomka & Elżbieta Kuta, 2020. "Garden pansy (Viola × wittrockiana Gams.) - a good candidate for the revitalisation of polluted areas," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 66(6), pages 272-280.
    • Handle: RePEc:caa:jnlpse:v:66:y:2020:i:6:id:50-2020-pse
    DOI: 10.17221/50/2020-PSE
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    References listed on IDEAS

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    1. A.L. Dalbato & F. Kobza & L.M. Karlsson, 2013. "Effect of polyploidy and pollination methods on capsule and seed set of pansies (Viola × wittrockiana Gams)," Horticultural Science, Czech Academy of Agricultural Sciences, vol. 40(1), pages 22-30.
    2. A. D. Lagibo & F. Kobza & P. Suchánková, 2005. "Polyploidy effects on frost tolerance and winter survival of garden pansy genotypes," Horticultural Science, Czech Academy of Agricultural Sciences, vol. 32(4), pages 138-146.
    3. Ketia L. Shumaker & Gregorio Begonia, 2005. "Heavy Metal Uptake, Translocation, and Bioaccumulation Studies of Triticum aestivum Cultivated in Contaminated Dredged Materials," IJERPH, MDPI, vol. 2(2), pages 1-6, August.
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