A Study on the Refining Properties of Lavandula (Lavandula spica L.) in lead Contaminated Environments

Subject Areas : Environmental pollutions (water, soil and air)

Anahita Kiarostami ¹ , Vahid Abdosi ² , Pezhman Morad i ³

1 - M.SC.in Horticultural science, Department Horticulture science and Research Branch, Islamic Azad University, Tehran, Iran.
2 - Assistant prof, Department of Horticultural science, science and Research Branch, Islamic Azad University, Tehran, Iran.
3 - Associate prof, Department of Horticultural science, Saveh Branch, Islamic Azad University, Saveh, Iran.

Received: 2016-07-02 Accepted : 2016-09-17 Published : 2019-09-23

Keywords: Lavandula, Heavy Metals, DTPA, Phytoremediation,

Abstract :

Abstract: Background and objective: Considering the ever increasing state of pollution in different aspects of the environment, ornamental plants and herbs such as Lavandula have become the center of attention mostly due to their availability and use in urban green spaces. Phytoremediation is a modern and economical method which can be applied to metropolises for decreasing metal contaminations in soil, water and atmosphere. Additionally, throughout this study we tried to determine the impact of lead on morphology and phyto-chemistry properties of Lavandula as a hazardous pollutant for the health of man and other organisms. Method: Through this study, we examined the contamination resistance of Lavandula against lead through 3 completely randomized block design experiments. The treatments included: lead in 2 concentrations (0 and 100 mg) and DTPA in 2 concentrations (1 and 2 mM). Results: The results suggested that heavy metals' stress causes the decrease of morphologic properties being studied and by adding DTPA, the lead absorption decreased in Lavandula. Conclusion: by adding the DTPA chelate, the absorption level of this heavy metal by Lavandula decreased significantly.

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