Inhibitory potential of parthenin a sesquiterpene lactone against Fusarium oxysporum, Aspergillus niger and Drechslera hawaiiensis
Keywords:
Carrot weed, Allelochemical, Plant Pathogens, Concentration, LeachatesAbstract
Effect of parthenin extracted from the leaves of Parthenium hysterophorus and its effect on certain pathogens like Fusarium oxysporum (Schlecht.), Aspergillus niger (Tiegh.) and Drechslera hawaiinsis (M.B. Ellis) at 0%, 25%, 50%, 75% and 100% concentration was studied. The experiment was carried out periodically with 10 days interval upto 20 days. The fungal mycelial colony diameter (in mm) was compared with the control and was contemplated as a measure of phytotoxicity. The efficacy of 50% and 100% fresh aqueous extracts of leaves containing parthenin showed significant inhibition in D. hawaiiensis followed by F. oxysporum and A. niger.