Evaluates the impact of andiroba oil on insect control in fruit, suggesting it as a viable alternative to synthetic insecticides.
AbstractControl of Anastrepha fraterculus (Diptera: Tephritidae) is usually accomplished with synthetic insecticides, which can be a problem considering the exportation of fruits. This study aimed to evaluate mortality and offspring effects on A. fraterculus using peach, strawberry guava and apple fruits treated with andiroba (Carapa guianensis) oil. Higher mortality rate was observed when compared to control on strawberry guava and apple fruits treated with andiroba oil (18.4 % and 35.0 % points more than the control). The mean number of pupae observed in the offspring was inferior to the control on strawberry guava and apple fruits treated with andiroba oil (100 % control) and, on peach fruits (68.3 % fewer pupae). Andiroba oil shows promising results as an alternative product to control A. fraterculus. Studies are still needed especially considering the effectiveness of andiroba oil under field conditions. ResumenEl control de Anastrepha fraterculus (Diptera: Tephritidae) generalmente se realiza con insecticidas sintéticos, lo que puede ser un problema si se considera exportar frutas. Este estudio tuvo como objetivo evaluar la mortalidad y el efecto de la descendencia en A. fraterculus en frutas de duraznos, guayabos peruanos y manzanas tratadas con aceite de andiroba (Carapa guianensis). Se observó una mayor tasa de mortalidad en comparación con el control para las frutas de guayabo peruano y manzana tratadas con aceite de andiroba (incremento del 18,4 % y 35,0 % puntos más que el control). El número medio de pupas observado en la descendencia fue inferior al control de guayabos peruanos y frutas de manzana tratadas con aceite de andiroba (control 100 %) y en frutas de durazno (68,3 % menos pupas). El aceite de andiroba muestra resultados prometedores como un producto alternativo para controlar A. fraterculus. Son necesarios más estudios, en especial al considerar la efectividad del aceite de andiroba en condiciones de campo.
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Wille et al. (2021) studied this question.
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