IN VIVO FUNGICIDAL PROPERTIES OF CALOTROPIS PROCERA AGAINST RICE BLAST FUNGUS (MAGNOPORTHE ORYZEA)
Abstract
Rice blast disease, caused by Magnaporthe oryzae, is one of the most destructive diseases affecting rice production globally. The excessive use of synthetic fungicides has led to environmental concerns and pathogen resistance. This study evaluates the in vivo fungicidal properties of Calotropis procera leaf extract against rice blast fungus. Experimental rice plants were inoculated with the pathogen and treated with varying concentrations of the plant extract. Disease severity, lesion count, and plant growth parameters were assessed. Results indicated a significant reduction in disease severity in treated plants compared to control groups. The findings suggest that Calotropis procera possesses potent antifungal properties and could serve as a sustainable alternative to chemical fungicides in rice cultivation.
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