Comparison of physiological responses of Acer Velutinum Bioss. to air pollutants in Mazandaran and three areas of Tehran
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Article Type:
Research/Original Article (دارای رتبه معتبر)
Abstract:
Air pollutants are one of the most important environmental problems in the world. Trees and shrubs are the most important agents to reduce air pollutants, which through various mechanisms can respond to the destructive effects of air pollutants. In current study, the resistance of Acer velutinum Bioss. to air pollutants like carbon monoxide, nitrogen dioxide and ozone contaminants through some physiological parameters such as photosynthetic pigment, anthocyanin, total protein, total phenol and mineral elements such as nitrogen and phosphorus were evaluated. Soil parameters and climate factors were also measured. A. velutinum was collected in three areas in Tehran including Tajrish, Laleh Park, Shahr Park and one area in Mazandaran including Chaloos. Acidity, electrical conductivity and temperature has been hardly changed in any areas. The results indicated that the content of air pollutants in in three areas of Tehran was higher than Chaloos. Likewise, the rainfall and relative humidity have also decreased in different parts of Tehran which can be considered as the consequences of increasing air pollutants. The results showed that the content of chlorophyll a, b and carotenoids, protein, phosphorus and anthocyanin in plant grown in three areas of Tehran with higher content of air pollutants were higher than those in plant grown in Chaloos. In deed, physiological resposes of Acer indicates its resistance to above-mentioned air pollutants.
Language:
Persian
Published:
Journal of Plant Research, Volume:32 Issue: 4, 2020
Pages:
837 to 849
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