Chandrashekharagowda B. Isolation and Screening of Arbuscular Mycorrhizal Fungi for Suppression of Orobanche sp., a Parasitic Weed in Tobacco (Nicotiana - M.Sc. (Agri) - University of Agricultual Sciences, Dharwad 2016 - 110p ENGLISH Dewey Class. No.: 630 / CHA