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Evaluates insecticidal and antifungal effects of Myrcia racemosa essential oil, indicating potential for pest management.
The genus Myrcia has essencial oils (EOs) with potential for use for phytosanitary management. In this context, the aimed was to evaluate chemical profile of Myrcia racemosa EO and their biological activities. EO was isolated using the hydrodistillation method, and the identification and quantification of individual compounds was carried out using gas chromatography coupled to mass spectrometry. The insecticidal activity was evaluated by the fumigation and contact method against weevils. While the fungicidal activity was carried out by the microdilution method against Fusarium culmorum, Aspergillus flavus and Aspergillus niger. A total of 46 compounds were identified. Myrcia racemosa EO showed an insecticidal effect with mortality exceeding 80% for both weevil species by fumigation, and a fungicidal effect greater than 87.9% against all isolates. The M. racemosa EO higher diversity in its chemical profile and bioactivity against storage pests and fungi, demonstrating potential for use in phytosanitary control in storage systems.
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Zimmermann et al. (2026) studied this question.
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