Evaluation of potential phytoremediation of chrysanthemum in soil with excess copper

Janine Farias Menegaes, Fernanda Alice Antonello Londero Backes, Rogério Antonio Bellé, Alexandre Swarowsky, Rodrigo Fernando dos Santos Salazar


Minimizing the harmful effects of copper (Cu) in the soil, using plants are slow and gradual, requiring the identification of species with fitorremediativa fitness for this process. Thus, the present work had as objective to evaluate the cultivation of chrysanthemum cv. Dark Fiji in soil added with Cu as promising phytoremediation. The experiment was conducted in the period from July to December 2014, in the greenhouse of the Floriculture UFSM. In a completely randomized experimental design, with five treatments composed of doses of Cu added to the soil, in the amounts of 250, 500, 750 and 1,000 mg kg-1 and control (without addition), with five replications. In two crop cycles both with duration of 104 days from the production of seedlings to harvest. Chrysanthemum cuttings were obtained from cuttings collected in the garden clonal itself, with 8 cm long, rooted in commercial substrate and transplanted into containers containing soil. They evaluated phytotechnical parameters and translocation factors of aerial part of bioaccumulation and bioconcentration factor of Cu in plant roots and metal extraction rate. It was observed that at all doses of Cu added to the soil, the plants showed low plant development and floriferous affecting its aesthetic quality in both crop cycles. The high accumulation of Cu in the roots is indicative of growing tolerance, cv. Dark Fiji in areas with excess of this, with phytoremediation potential.


Dendranthema grandiflora Tzevelev, Cultivation times, Biocentration.

DOI: https://doi.org/10.14295/oh.v23i1.915

ISSN: 2447-536X

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