Volume 28, Issue 2 (Summer 2024)
jwss 2024, 28(2): 31-43 |
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Zakavi N A, Nadian H A, Khalilimoghadam , Moezzi A A. Effect of Mycorrhizal Inoculation on the Uptake of Some Heavy Metals by Parsley (Petroselinum sativum) in Contaminated
Soil Treated with Kerosene. jwss 2024; 28 (2) :31-43
URL: http://jstnar.iut.ac.ir/article-1-4350-en.html
URL: http://jstnar.iut.ac.ir/article-1-4350-en.html
Department of Soil Science, Faculty of Agriculture, Agricultural Sciences and Natural Resources University of Khuzestan, Ahvaz, Iran. , zakavi1988@yahoo.com
Abstract: (283 Views)
Arbuscular mycorrhizal fungi are highly important in improving plant growth and decreasing the negative effects of contaminants. The objective of this study was to evaluate the effect of inoculation of mycorrhizal fungus on the concentration of lead (Pb) and cadmium (Cd) by parsley (Petroselinum sativum) in heavy metal-contaminated soil in the presence of kerosene. This study was carried out as a factorial experiment based on the randomized complete design with four replications under greenhouse conditions. Experimental factors were included: 1- microbial inoculation in two levels with mycorrhizal fungus (Rhizophagus irregularis) and control (without inoculation), and 2- kerosene in four levels of 0, 4, 8, and 12 mL kg-1 soil. The results showed that mycorrhizal inoculation led to a significant increase in root (61.1 to 150.1%) and shoot dry weight (9.1 to 51.5%), shoot P, Zn, and Cu concentration and root Pb (18.7 to 97.9%) and Cd (13.3 to 98.6%) concentration, while significantly decreased shoot Pb (10.0 to 29.2%) and Cd (19.6 to 72.1%) concentration. The root bio-concentration factor (BCF) (7.74%) was higher than compared to shoot BCF. The mycorrhizal inoculation decreased the translocation factor (TF) of Pb and Cd. The TF<1 shows that the mycorrhizal fungus immobilized Pb and Cd in the roots and prevented their translocation from the root to the shoot. Hence, mycorrhizal inoculation can be effective in contaminated soils through bioconcentration of Pb and Cd in the root and decrease their translocation to the parsley shoot.
Type of Study: Research |
Subject:
Ggeneral
Received: 2023/04/26 | Accepted: 2024/01/29 | Published: 2024/08/31
Received: 2023/04/26 | Accepted: 2024/01/29 | Published: 2024/08/31
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