SURVIVAL, GROWTH AND PB CONCENTRATION OF POPULUS ALBA (CLONE 44.9) SEEDLING IN PB-CONTAMINATED SOIL

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SALEHI A.; TABARI KHOCHKSARAII M.; SHIRVANI A.

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Journal: Iranian journal of Forest Year:2015 | Volume:6 | Issue:4 Page(s): 419-433

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Title

SURVIVAL, GROWTH AND PB CONCENTRATION OF POPULUS ALBA (CLONE 44.9) SEEDLING IN PB-CONTAMINATED SOIL

Author(s)

SALEHI A. | TABARI KHOCHKSARAII M. | SHIRVANI A. | Issue Writer Certificate

Keywords

LEAD (PB)Q2

PHYTOREMEDIATIONQ2

POPULUS ALBAQ2

SOIL POLLUTIONQ2

TOLERANCE INDEXQ2

Abstract

Phytoremediation potential of POPULUS ALBA clone 44.9 to Pb-contaminated soil (concentrations of 0, 100, 500, 1000 mg Pb kg-1 soil) was investigated in greenhouse as completely randomized design. The results indicated that at the end of growing season, in the soil polluted with 1000 mg Pb kg-1, survival, stem length and stem collar diameter, and in the soil polluted with 500 and 1000 mg Pb kg-1, root/shoot ratio, biomass of organs (root, stem and leaf) and total biomass were significantly decreased in comparison with control. With increasing the Pb concentration of soil, Pb concentration of plant organs also increased whereas the highest Pb concentration of root, stem and leaf (212.38, 95.03 and 42.1, respectively) was observed in 1000 mg Pb kg-1. In all Pb concentrations the greatest and the lowest values allocated to root and leaf, respectively. Translocation factor increased in Pb-polluted soils (compared with control) and the greatest value (0.74 and 0.72) was observed in 100 and 500 mg Pb kg-1. Tolerance indices of shoot (min. 80%) and root (min. 45%) revealed that this clone has a relatively good tolerance even to maximum concentration of Pb heavy metal (1000 mg kg-1). Regarding to satisfactory survival, desirable growth, relatively good TOLERANCE INDEX and suitable Pb accumulation in seedling organs, it is concluded that this clone has a high PHYTOREMEDIATION potential to Pb-contaminated soil (till 1000 mg Pb kg-1). So, in further investigations for PHYTOREMEDIATION of Pb-contaminated soils (especially in field trials and with higher Pb concentration) this clone can be considered by researchers.

Cites

Lead Uptake and Its Effects on the Quantitative Indices of C. aronia and J. polycarpus Seedlings in the Environment

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APA: Copy

SALEHI, A., TABARI KHOCHKSARAII, M., & SHIRVANI, A.. (2015). SURVIVAL, GROWTH AND PB CONCENTRATION OF POPULUS ALBA (CLONE 44.9) SEEDLING IN PB-CONTAMINATED SOIL. IRANIAN JOURNAL OF FOREST, 6(4), 419-433. SID. https://sid.ir/paper/123141/en

Vancouver: Copy

SALEHI A., TABARI KHOCHKSARAII M., SHIRVANI A.. SURVIVAL, GROWTH AND PB CONCENTRATION OF POPULUS ALBA (CLONE 44.9) SEEDLING IN PB-CONTAMINATED SOIL. IRANIAN JOURNAL OF FOREST[Internet]. 2015;6(4):419-433. Available from: https://sid.ir/paper/123141/en

IEEE: Copy

A. SALEHI, M. TABARI KHOCHKSARAII, and A. SHIRVANI, “SURVIVAL, GROWTH AND PB CONCENTRATION OF POPULUS ALBA (CLONE 44.9) SEEDLING IN PB-CONTAMINATED SOIL,” IRANIAN JOURNAL OF FOREST, vol. 6, no. 4, pp. 419–433, 2015, [Online]. Available: https://sid.ir/paper/123141/en

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