2024 : 11 : 22
Mohammad Hosein Sinka Karimi

Mohammad Hosein Sinka Karimi

Academic rank: Assistant Professor
ORCID:
Education: PhD.
ScopusId:
HIndex:
Faculty: Faculty of Marine and Oceanic Sciences
Address: umz
Phone: 011-35302879

Research

Title
Humic acid reduces lead phytoextraction efficiency of Erythrostemon gilliesii
Type
JournalPaper
Keywords
Contamination; humic acid; Pb; phytoaccumulation; phytoextraction; soil
Year
2022
Journal BIOREMEDIATION JOURNAL
DOI
Researchers Mohammadreza Abdollahpour ، Mohsen Ahmadpour ، Mohammad Hosein Sinka Karimi ، salman ahmady asbchin ، KHODADA SOLTANI ، khadijeh khermandar ، Katarzyna Kucharska ، Łukasz Łukasz J. Binkowski

Abstract

Assisted phytoremediation is extremely promising, but is still in development and needs further study. Therefore, the combination use of Erythrostemon gilliesii and humic acid was studied to aid the efficiency of lead nitrate Pb(NO3)2 phytoextraction. Seedlings were exposed to five simultaneous treatments of Pb(NO3)2 (0, 100, 300, 500, and 700 mg L1) and humic acid (0 and 300 mg L1) for three growth months (90 days in summer) and their effects on physiological and morphological traits of plants were recorded. Up to 300 mg L1, Pb treatments showed apparent positive (stimulative) effects on plant traits, including dry and fresh weight, length, number of leaves, the diameter of collar and root, and root germination. Lead treatments higher than 300 mg L1 showed negative (repressive) effects on plant growth. A decrease in Pb uptake was observed in simultaneous treatments of humic acid and Pb, which means more Pb remains unabsorbed in the soil. We conclude that E. gilliesii is well-suited to the phytoextraction of Pb in contaminated areas, but humid acid significantly reduces the efficiency of remediation; therefore, the levels of humic acid should be controlled during the remediation process in an area.