Evaluation of heavy metals accumulation potential of hemp (Cannabis sativa L.)

Heavy metals accumulation in crops and soils poses a significant threat to the human health. A study was carried out in 2016 in order to assess hemp (Cannabis sativa L.) ability to accumulate heavy metals and to reveal its possibility as a phytoaccumulator or phytostabilizer. Two soil types from Cro...

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Bibliographic Details
Published inJournal of Central European agriculture Vol. 20; no. 2; pp. 700 - 711
Main Authors Ćaćić, Marija, Perčin, Aleksandra, Zgorelec, Željka, Kisić, Ivica
Format Journal Article
LanguageEnglish
Published University of Zagreb, Faculty of Agriculture 01.01.2019
Subjects
bioaccumulation coefficient
phytoaccumulation
soil types
translocation coefficient
uptake
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Summary:Heavy metals accumulation in crops and soils poses a significant threat to the human health. A study was carried out in 2016 in order to assess hemp (Cannabis sativa L.) ability to accumulate heavy metals and to reveal its possibility as a phytoaccumulator or phytostabilizer. Two soil types from Croatia were used in experimental pots: Gleysoils (alkaline soil) and Stagnic Luvisol (acid soil). Majority of the varieties accumulated more heavy metals in roots than in above-ground biomass. Removal of Cd, Ni, Pb, Hg, Co, Mo and As was higher in acid soil. Potential ability for phytostabilization was observed in alkaline soil in order Cu > Cr > Cd > Mo > Hg > Zn > Ni > Co > As > Pb, while for acid soil in order Zn > Cd > Cr > Ni > Hg > Cu > Mo > As > Co > Pb. Some varieties exhibited a translocation coefficient (TC) more than 1 and shown the ability of hyper-accumulation for Zn, Hg, Mo and Cd. Higher accumulation of heavy metals in some varieties could lead to their general application for phytoaccumulation of heavy metals from polluted soils.
ISSN:1332-9049
1332-9049
DOI:10.5513/JCEA01/20.2.2201