Study On The Diversity Of Am Fungi In Cultivated Field Plants Of Thiruvarur District

The rhizosphere soils and ten dominant plant species in cultivated field were tested for the occurrence and distribution of vesicular and arbuscular mycorrhizal fungi and determined the impact of the physic chemical factors in relation to the quantitative and qualitative assessment of AM fungi in soils. The 12 species of AM fungi belonging to three genera viz., Glomus, Gigaspora and Aculospora were observed and conformed. Out of three, Glomus sp was noticed as a most dominant colonization in cultivated soils. In 10 plant species were selected from the study sites, all root are infected of AM fungi.