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This research aims to assess the efficacy and ecological safety of BioMagic WP bio-insecticide against the brown cocoa mirid.

July 6, 2026Discover AgricultureOpen Access

Efficacy of an entomopathogenic bio-insecticide formulation (BioMagic WP; Metarhizium anisopliae) against the brown cocoa mirid, Sahlbergella singularis (Hagl., 1895) (Hemiptera: Miridae), in Nigeria

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This research aims to assess the efficacy and ecological safety of BioMagic WP bio-insecticide against the brown cocoa mirid.
Conducted laboratory bioassays comparing 2.0%, 1.0%, and 0.5% concentrations of BioMagic WP against controls.
Utilized ANOVA, DMRT, and Pearson correlation for data analysis.
Assessed effectiveness through direct and indirect contact toxicity and field trials.
Direct contact with 2.0% and 1.0% concentrations of BioMagic WP achieved 100% mortality in 4 minutes, while 0.5% achieved the same in 5 minutes.
Field trials showed a 100% reduction of pod infection in 105 days with BioMagic WP compared to 56 days with the positive control.
Residual analysis detected no active ingredients of BioMagic WP in cocoa beans, confirming its ecological safety.

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Randomized trial evaluates BioMagic WP effectiveness in cocoa pod protection, suggesting a safer pest management option.

Awe et al. (2026) studied this question.

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