Effects of Dust on Morpho-physiological Responses of Fraxinus rotundifolia Mill. Seedling

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JAVANMARD Z.; TABARI KOUCHAKSARAEI M.; BAHRAMI H.A.; HOSSEINI S.M.; MODARRES SANAVI S.A.

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Journal: Iranian journal of Forest Year:2019 | Volume:11 | Issue:3 Page(s): 309-323

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Title

Effects of Dust on Morpho-physiological Responses of Fraxinus rotundifolia Mill. Seedling

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Keywords

AshQ2

GrowthQ3

PhotosynthesisQ2

PollutionQ2

Stomatal conductanceQ2

Abstract

he aim of this study was to evaluate the impacts of dust on the morpho-physiologial traits of Fraxinus rotundifolia Mill.seedling,a useful species in urban green space.In a greenhouse,a dust stress was applied using dust simulator with concentrations of 0,750 and 1500 μg m-3.Experiment was conducted by a completely randomized design with 5 replicates (9 seedlings in each replicate) within 45 days with one-week interval.).Dust deposition with 1500 µg m-3 concentration caused the appearance of symptoms of chlorosis and necrosis on leaves.This concentration decreased the amount of survival (29%),increment diameter (38%) and height (33%),average leaf area (19%),Photosynthesis rate (45%),transpiration (60%),Stomatal conductance (46%),mesophyll conductance (55%),spad index (23%),Fm (22%),Fv/Fm (22%),T1/2 (14%) increased intercellular CO2 concentration (22%),water use efficiency (40%),leaf temperature (2.34 o C) and Fo (30%).For afforestation and tree planting initiatives in dust-polluted areas of urban and suburban regions of Iran, F.rotundifolia seedling can be usefully used in areas where dust concentration is less than 750 μg m-3.

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APA: Copy

JAVANMARD, Z., TABARI KOUCHAKSARAEI, M., BAHRAMI, H.A., HOSSEINI, S.M., & MODARRES SANAVI, S.A.. (2019). Effects of Dust on Morpho-physiological Responses of Fraxinus rotundifolia Mill. Seedling. IRANIAN JOURNAL OF FOREST, 11(3 ), 309-323. SID. https://sid.ir/paper/123183/en

Vancouver: Copy

JAVANMARD Z., TABARI KOUCHAKSARAEI M., BAHRAMI H.A., HOSSEINI S.M., MODARRES SANAVI S.A.. Effects of Dust on Morpho-physiological Responses of Fraxinus rotundifolia Mill. Seedling. IRANIAN JOURNAL OF FOREST[Internet]. 2019;11(3 ):309-323. Available from: https://sid.ir/paper/123183/en

IEEE: Copy

Z. JAVANMARD, M. TABARI KOUCHAKSARAEI, H.A. BAHRAMI, S.M. HOSSEINI, and S.A. MODARRES SANAVI, “Effects of Dust on Morpho-physiological Responses of Fraxinus rotundifolia Mill. Seedling,” IRANIAN JOURNAL OF FOREST, vol. 11, no. 3 , pp. 309–323, 2019, [Online]. Available: https://sid.ir/paper/123183/en

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