Effect of fungicides, bio-agents and garlic club extract in management of Alternaria blight of Mustard

摘要

Indian mustard [Brassica juncea L.] contributes about 85% of the total repeseed -mustard produced in India. Among the biotic stress, blight caused by Alternaria brassicae (Berk.) Sacc. and Alternaria brassicicola (Schw.), is one of the important diseases of Indian mustard which has been reported from all continents of the world. In present study, different bioagents, plant extracts and fungicides were evaluated as seed treatment and foliar spray against alternaria blight. A field trial was conductedat the research plot of the Department of Plant Protection, S.H.I.A.T.&S. Allahabad during 2011, RBD for in vivo trials with three replications in a plot size of 2m~2, using highly susceptible cv. Varuna.