Isolation and characterization of secondary metabolites of actinomycetes against plant pathogens of chickpea and sorghum

Actinomycetes are known to have plant growth promoting traits and antagonistic activity against plant pathogens. The objective of the present experiment is to isolate the promising strains of actinomycetes against pathogenic fungi and to isolate the metabolites responsible for it. The fungal pathogens studied include Sclerotium rolfsii, Rhizoctonia bataticola (three strains viz. RB-6, -24 and -115) Fusarium oxysporum f. sp. ciceri, Botrytis cinerea, and Macrophomina phaseolina causes collar rot, dry root rot, Fusarium wilt, Botrytis grey mould diseases in chick pea and charcoal rot in sorghum, respectively