2020, Vol. 2, Issue 1, Part F

Author(s): Pushpa Kumari, Dr. Reena Mohanka, Dr. Vijay Kumar Sinha and Priyanka

Abstract: Antagonistic activities of some soil borne fungi were studied against Fusarium solani, the most frequently occurring soil borne fungal pathogen, attacking a large number of host plants including oilseeds, pulses, vegetables and ornamentals. Bio-control of plant pathogens is an advantage over chemical pesticides as these pesticides frequently causes some phyto-toxicity and are toxic to non-target organisms, as well as cause environmental pollution. Fusarium solani was isolated from lady’s finger field as the experimental pathogen by serial dilution culture technique. Trichiderma virens and Aspergillus niger were also isolated from soil through the same technique. Antagonistic potentiality of the two antagonists were studied through dual culture technique and through volatile metabolites effect on colony growth inhibition, on potato dextrose agar medium as the culture medium. In dual culture technique, Aspergillus niger showed the 59.49% of bio-control whereas, Trichoderma virens showed 39.24%. Volatile metabolites of Trichoderma virens were more effective in comparison to Aspergillus niger as in volatile effects treatment, there was a 53.33% inhibition of colony growth of Fusarium solani by Trichoderma virens whereas Aspergillus niger showed 47.22% of inhibition. The results indicate that some naturally inhabiting soil borne fungi may be exploited for the bio-control of plant pathogens, either singly or in combination. This paves a way in the direction of eco-friendly, non-toxic control of plant diseases.

DOI: 10.33545/27068919.2020.v2.i1f.306

Pages: 284-287 | Views: 910 | Downloads: 231

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