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A survey for vesicular-arbuscular mycorrhizae(VAM) status was undertaken in three different industriallypolluted sites at Uyyakondan channel of Senthanneerpuramarea in Trichy, India. The soils and the effluents were acidic,and contained higher Zn (621 to 711 ppm) than the otherheavy metals, such as Cu, Pb, and Ni. Eighteen plant specieswere collected from the rhizosphere soils, and 13 specieswere positive for VAM colonization. Fifteen VAM fungalspecies were isolated from the plant species. The number ofVAM fungal spores from the soils ranged from 45 to 640 per100 g of soil. There was a significant correlation observedbetween the number of spores and percentage root colonization,as exemplified by Acalypha indica (45 and 20%, respectively)and Paspalum vaginatum (640 and 98%, respectively). Hostspecificand site-specific associations were observed in site 2;particular VAM species, Gigaspora gigantea and Glomusfasciculatum, were specific to particular host plants, Phyllanthusmaderaspatensis and A. indica, respectively, even thoughEclipta prostrata and Physalis minima were maximallyassociated with 8 VAM species. G. fasciculatum was found in11 plant species and predominant VAM species. These resultsled us to conclude that VAM fungi are associated with amajority of the plants in the industrial polluted sites andsupport the plants to survive in the acidic soils, polluted withheavy metals of the industrial effluents.

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