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Ability of Glomus Mosseae-Alfalfa (Medicago Sativa L.) Association For Heavy Metal Phytoextraction From Soil
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نویسنده
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Zaefarian Faezeh ,Rezvani Mohammad ,Rejali Farhad ,Ardakani Mohammad Reza ,Noormohammadi Ghorban
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منبع
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علوم محيطي - 1389 - دوره : 7 - شماره : 3 - صفحه:77 -90
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چکیده
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A pot experiment was conducted to determine the phytoextractive ability of alfalfa plants both inoculated (i) and non-inoculated (10) with glomus mosseae under different combinations of heavy metal pollution. alfalfa inoculated and non- inoculated plants were exposed to cadmium (cd), lead (pb), cobalt (co), cd*co, cd*pb, pb*co and cd*pb*co in a factorial experiment. the heavy metal concentrations in the leaves, stems, shoots and roots were measured. in inoculated and non- inoculated plants, contamination concentration in shoots was higher than in root. findings indicated that in the triple metal treatment (cd*pb*co) inoculated plants were preferred. this showed that g. mosseae tolerated intensive contamination and transferred contaminants to alfalfa shoots. these results suggest that alfalfa inoculated plants are potentially suitable for phytoextraction of heavy metals in multiple heavy metal stress.
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کلیدواژه
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Alfalfa ,Heavy Metals ,Mycorrhizal Fungus ,Phytoextraction
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آدرس
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Sari University Of Agricultural Sciences And Natural Resources, Faculty Of Crop Sciences, Department Of Agronomy And Plant Breeding, ایران, Islamic Azad University, Faculty Of Agricultural And Natural Resources, Department Of Agronomy And Plant Breeding, Soil And Water Research Institute, Department Of Soil Biology, Islamic Azad University, Faculty Of Agricultural And Natural Resources, Department Of Agronomy And Plant Breeding, Islamic Azad University, Faculty Of Agricultural And Natural Resources, Department Of Agronomy And Plant Breeding, ایران
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Authors
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