Colonization of intraradical structures of arbuscular mycorrhizal fungi by dark septate endophytic fungi

Abstract Extraradical spores of arbuscular mycorrhizal (AM) fungi are often parasitized by a wide range soil microorganisms. However, reports on the parasitization intraradical structures AM very rare. While examining colonization in roots Cuminum cyminum and Sambucus nigra growing medicinal plants garden Centre Medicinal Plants Research Homeopathy Nilgiris, we found that fungal hyphal coils, arbusculate vesicles, colonized dark septate endophytic (DSE) which were co-occurring with fungi. The hyphae significantly wider than DSE Colonization different varied between two plant species. Moreover, percentage was linearly correlated to abundance these structures. is illustrated significance this phenomenon needs further elucidation.