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The in vitro study of streptomyces as biocontrol agent against the ground nut stem rot fungus, Sclerotium rolfsii (Sacc.)
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Native isolates of groundnut stem rot casual organism, Sclerotium rolfsii Sacc. were collected from major groundnut growing areas of Tamil Nadu. Selected isolates were screened, characterized and identified the virulent isolate. Morphology and spore structure of isolated antagonists, GNRAJK1 and GNRAVR14 were studied. The genus and species level of the antagonists was identified as Streptomyces violaceusniger and Streptomyces exfoliatus. |