Arbuscular mycorrhizal fungi (AMF) associated with the rhizosphere of Mentha arvensis L.,and M.Longifolia huds

Present investigations were carried out to identify,quantify and find out the amf relationship with chemical characteristics of rhizospheric soils of mentha arvensis and m longifolia,growing in some cultivated and natural sites of kpk (khyber pakhtunkhawa) respectively. seven amf species with m.arvensis and 11 with m.longifolia were recorded. the dominant genus was glomus (11 species) followed by acaulospora and gigaspora (2 species each). the amf spore densities in studied sites were ranged from 30-245 spores/10 gr. soil. am colonization ranged from 26.87 - 100%. coefficient of correlation (r) was estimated statistically to find out the relationship between amf spore densities and chemical characteristics of soils.