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Uptake and phytoremediation of hexachlorocyclohexane (HCHs) by selected plant species from contaminated soil

Tauhid KhanKey Laboratory of Subsurface Hydrology and Ecological Effect in Arid Region of the Ministry of Education , Chang'an University , Xi'an 710064 , China;Uzma AfridiFaculty of Basic and applied science , Department of Environmental Science , International Islamic University , Islamabad , PakistanSaira KiranKey Laboratory of Subsurface Hydrology and Ecological Effect in Arid Region of the Ministry of Education , Chang'an University , Xi'an 710064 , China;Maksud AbbaskhanovGulfam Mohi Ud DinKey Laboratory of Subsurface Hydrology and Ecological Effect in Arid Region of the Ministry of Education , Chang'an University , Xi'an 710064 , China;Bahadir KaharovDepartment of Civil Engineering , Tashkent State Transport University , Tashkent 100167 , UzbekistanSatbay NurjanovTashkent Institute of Irrigation and Agricultural Mechanization Engineers" National Research University , Tashkent 100000 , UzbekistanAfshan KiranFaculty of Chemical and Pharmaceutical Sciences , Department of Chemistry , Kohat University of Science and Technology , PakistanNodir AbdushakhidovKey Laboratory of Subsurface Hydrology and Ecological Effect in Arid Region of the Ministry of Education , Chang'an University , Xi'an 710064 , China;Ghulam HaiderKey Laboratory of Subsurface Hydrology and Ecological Effect in Arid Region of the Ministry of Education , Chang'an University , Xi'an 710064 , China;

2026

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ABI

Annotatsiya

Hexachlorocyclohexanes (HCHs) are persistent organic pollutants that remain widespread in soils of Pakistan despite their global ban.This study assessed the phytoremediation potential of two grass species, Cynodon dactylon (Bermuda grass) and Lolium multiflorum (rye grass), for the removal of HCHs from contaminated soil.Plants were grown for 60 days in soils spiked with HCH concentrations of 5, 15, and 25 mg kg -1 .Soil and plant samples were analyzed using GC-MS.Microbial biomass carbon increased in all treatments, indicating enhanced microbial activity in planted soils.Both species significantly reduced soil HCH concentrations, with C. dactylon showing slightly higher removal efficiency at elevated contamination levels.The results demonstrate that both grasses are capable of dissipating and accumulating HCHs from soil.Their rapid growth and low maintenance requirements highlight their suitability for short-term, sustainable phytoremediation of HCH-contaminated soils.

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Identifikatorlar

DOI: 10.30848/pjb2027-2(7)

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