EFFECT OF ARBUSCULAR MYCORRHIZAL FUNGI ON LEAD TRANSLOCATION AND ACCUMULATION IN TOMATO PLANT

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AMANIFAR S.; ALIASGHARZAD N.; TOORCHI M.; ZAREI M.

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Seminar Paper

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Seminar: SEMINAR OF CHEMISTRY AND ENVIRONMENT
Year:2015 | Issue:7

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Title

EFFECT OF ARBUSCULAR MYCORRHIZAL FUNGI ON LEAD TRANSLOCATION AND ACCUMULATION IN TOMATO PLANT

Author(s)

AMANIFAR S. | ALIASGHARZAD N. | TOORCHI M. | ZAREI M. | Issue Writer Certificate

Keywords

HEAVY METAL

PHYTOSTABILIZATION

ARBUSCULAR MYCORRHIZAL FUNGI

Abstract

HEAVY METALS (HMS) CONTAMINATED LAND IS BECOMING INCREASINGLY AN IMPORTANT ENVIRONMENTAL, HEALTH, ECONOMIC, AND PLANNING ISSUE. THE INTERACTIONS BETWEEN THE SOIL MICROBES AND THE HOST PLANT CAN BE IMPORTANT FOR THE TREATMENT OF SOILS POLLUTED WITH HMS.USE OF SOIL MICROBES OR PLANTS TO REDUCE THE MOBILITY/AVAILABILITY OF METAL CONTAMINANTS IN THE RHIZOSPHERE (PHYTOSTABILIZATION) OR DEGRADE THE POLLUTANT (PHYTOREMEDIATION) ARE THE COMMON PROCESSES OF BIOREMEDIATION [1]. ARBUSCULAR MYCORRHIZAL FUNGI (AMF) ARE WELL KNOWN AS MODULATING THE BIOTIC AND ABIOTIC STRESSES EFFECTS IN PLANTS. SEVERAL LINES OF EVIDENCE INDICATE THAT THE ESTABLISHMENT OF ARBUSCULAR MYCORRHIZAL SYMBIOSIS IN PLANT ROOTS, AFFECTS ITS GROWTH, NUTRITION AND TOLERANCE TO HMS IN THESE SOILS. THEPROTECTIVE ROLE OF AM FUNGI IN ALLEVIATING HMS STRESSES COULD BE THE RESULT OF IMPROVED MINERAL NUTRITION AND/OR HMS SEQUESTRATION IN MYCORRHIZAL HYPHAE THROUGH POLYPHOSPHATE GRANULES OR GLYCOPROTEINS SUCH AS GLOMALIN [2].THE MAIN AIM OF THIS STUDY WAS TO INVESTIGATE THE AMF ROLE IN PROTECTING HOST PLANT UNDER LEAD STRESS. IN THIS WAY, MYCORRHIZAL AND NON-MYCORRHIZALSOLANUM LYCOPERSICOM L. (TOMATO) WERE GROWN IN SAND CULTURE TREATED WITH 0, 50, 100 AND 150 MG.L-1 LEAD. TWO DIFFERENT MYCORRHIZAL FUNGI WERE ISOLATED FROM A CONTAMINATED SOIL AROUND LEAD AND ZINC MINES.EXPERIMENTS ON TOMATO PLANTS REVEALED THAT THE INOCULATION WITH THE RHIZOPHAGUS IRREGULARIS AND FUNNELIFORMIS MOSSAE REDUCED TRANSLOCATION OF PB FROM ROOTS TO SHOOTS COMPARED WITH THE CONTROLS. ALSO BIO CONCENTRATION FACTOR (BCF), OR PLANT/SOIL PB RATIOS, IN MYCORRHIZAL PLANTS WAS SIGNIFICANTLY LOWER THAN NON-INOCULATED PLANTS. THE RESULTS INDICATE THAT THE MYCORRHIZAL FUNGI CAN ACT AS A FILTRATION BARRIER AGAINST THE TRANSLOCATION OF HEAVY METALS FROM PLANT ROOTS TO SHOOTS.

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APA: Copy

AMANIFAR, S., ALIASGHARZAD, N., TOORCHI, M., & ZAREI, M.. (2015). EFFECT OF ARBUSCULAR MYCORRHIZAL FUNGI ON LEAD TRANSLOCATION AND ACCUMULATION IN TOMATO PLANT. SEMINAR OF CHEMISTRY AND ENVIRONMENT. SID. https://sid.ir/paper/912045/en

Vancouver: Copy

AMANIFAR S., ALIASGHARZAD N., TOORCHI M., ZAREI M.. EFFECT OF ARBUSCULAR MYCORRHIZAL FUNGI ON LEAD TRANSLOCATION AND ACCUMULATION IN TOMATO PLANT. 2015. Available from: https://sid.ir/paper/912045/en

IEEE: Copy

S. AMANIFAR, N. ALIASGHARZAD, M. TOORCHI, and M. ZAREI, “EFFECT OF ARBUSCULAR MYCORRHIZAL FUNGI ON LEAD TRANSLOCATION AND ACCUMULATION IN TOMATO PLANT,” presented at the SEMINAR OF CHEMISTRY AND ENVIRONMENT. 2015, [Online]. Available: https://sid.ir/paper/912045/en

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