This paper evaluated economic benefits of managing mango infesting fruit flies in Embu County, Kenya using Integrated Pest Management (IPM) strategy that composed of Male Annihilation Technique (MAT), protein bait spray, releases of exotic parasitoid Fopius arisanus and the use of augmentorium. The Difference-in-difference (DD) method was used to assess the impact of the mango IPM on magnitude of mango rejection and insecticide expenditure and net income. The study revealed that on average, mango IPM participants had approximately 54.5 percent reduction in magnitude of mango rejection; spent 46.3 percent less on insecticide per acre and received approximately 22.4 percent more net income than the non participants. These imply a high economic benefit from the application of the fruit flies IPM technology and mango farmers would profit significantly if the intervention is expanded to widely cover other mango growing areas in Kenya.


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