Comparative Analysis of Pectinase Activity in Soil borne Fungal Pathogens of Groundnut (Arachis hypogaea L.)
Keywords:
Pectinase, Groundnut, Enzyme activity, PathogenicityAbstract
Pectinases are crucial extracellular enzymes involved in plant cell wall degradation and play a significant role in the pathogenicity of soil-borne fungi. The present study evaluates the pectinase activity of seven major fungal pathogens associated with groundnut using pectin as a substrate under substrate and non-substrate conditions. The results revealed that Rhizoctonia solani exhibited the highest pectinase activity (80% in substrate and 62% in non-substrate medium), followed by Fusarium solani and Sclerotium rolfsii. Lower activity was observed in Aspergillus flavus. The study highlights the enzymatic variability among pathogens and their potential role in disease severity. These findings contribute to understanding fungal virulence and may aid in developing eco-friendly disease management strategies.
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