Induction and characterization of a cellulase overproducing mutant strains

Nine Trichoderma isolates were isolated from different agricultural soil samples. All the Nine Trichoderma isolates showed positive test for cellulase as revealed by the formation of a clear zone on the screening medium containing Congo red as indicator. The percentage inhibitory effect of all the Nine Trichoderma isolates against growth of R. solani was calculated and ranged from 58 % to 64.9%. The qualitative and antagonistic results showed the isolate FUGT4 had the highest efficiency in antagonistic against R. solani.

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Induction and characterization of a cellulase overproducing mutant strains

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