IN VITRO COMPARATIVE STUDY OF ANTIFUNGAL ACTIVITY OF INORGANIC SALTS AGAINST PLANT PATHOGENIC FUNGI

Eight inorganic salts viz., ammonium molybdate, ammonium oxalate, cupric sulphate, EDTA, ferric chloride, ferrous sulphate, potassium meta bi sulphate and zinc sulphate were tested at 10mM concentration by membrane filter and steam sterilization methods against plant pathogenic fungi which damage the crop of potato(main food cr op of farmers) viz., Fusarium solani, Fusarium oxysporum, Rhizoctonia solani and Phytophthora infestans. Out of these pathogens, Phytophthora infestans is major disease of potato and spreads epidemically through out the world. All chemicals are effective f or R. solani and P. infestans while least effective for F. solani and F. oxysporum