September 10, 2025

Bio-efficacy Evaluation of Beauveria bassiana Against Fall Armyworm, Spodoptera frugiperda (J.E. Smith)

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The study shows that Beauveria bassiana achieved an 84% mortality rate in fall armyworm larvae at high concentrations.
At a concentration of 3.65×107 conidia/ml, the highest mortality was recorded, while the LC50 was estimated at 1.42×107 conidia/ml over 120 hours.
An in-vitro bioassay measured the effectiveness of B. bassiana against second-instar larvae of Spodoptera frugiperda.
The findings suggest that B. bassiana could offer a more sustainable solution to chemical pesticide reliance in agriculture.

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In-vitro bioassay assesses Beauveria bassiana’s virulence against fall armyworm, suggesting it may replace traditional insecticides.

Zalte et al. (2024) studied this question.

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