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A Cost Benefit Analysis of IPM Decision Support Tools for Potato Psyllids in Idaho, Oregon, and Washington

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Abstract

2011 reports of Zebra Chip in major potato growing regions of Idaho, Oregon, and Washington resulted in calendar-based psyllid management programs. With the goal of improving the sustainability and profitability of potato production systems, researchers developed disease risk maps to support informed decision-making regarding timing and necessity of psyllid targeted spray applications. The benefits of investment in the decision support system are estimated using a cost benefit analysis. Benefits are estimated to span 16 years and are measured by reduced psyllid control costs. The estimated net present value of benefits from the decision support system will depend on adoption and use of the disease risk maps. Using a scenario that assumes a maximum adoption rate of 46%, the estimated net present value of the tool is $5.2 million, the benefit cost ratio is 1.63, and the internal rate of return is 8%. Assuming a scenario with a maximum adoption rate of 78%, the estimated net present value of the tool is $8.6 million, the benefit cost ratio is 2.69, and the internal rate of return is 14%.

Resumen

Los reportes del 2011 sobre la papa rayada en las principales regiones productoras de papa de Idaho, Oregon y Washington dieron como resultado programas de calendarios de manejo de psílidos. Con la meta de mejorar la sustentabilidad y ganancias en los sistemas de producción de papa, los investigadores desarrollaron mapas de riesgo de la enfermedad para respaldar la toma de decisiones informada en relación a los tiempos y la necesidad de aplicaciones de aspersiones contra los psílidos. Los beneficios de la inversión en el sistema de respaldo de decisiones se estiman usando un análisis de costo-beneficio. Se calcula que los beneficios abarquen16 años y se miden por la reducción de costos de control del psílido. Se estima que el valor presente neto de los beneficios del sistema de respaldo de decisiones dependerá de la adopción y uso de los mapas de riesgo de la enfermedad. Usando un escenario que asume un nivel máximo de adopción de 46%, el valor presente neto estimado de la herramienta es de $ 5.2 millones, la relación costo-beneficio es de 1.63, y el nivel interno de rentabilidad es de 8%. Asumiendo un escenario con un nivel máximo de adopción de 78%, el valor presente neto estimado de la herramienta es de $ 8.6 millones, la relación costo-beneficio es de 2.69, y el nivel interno de rentabilidad es de 14%.

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Correspondence to Gina A. Greenway.

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The authors are Researcher, Associate Professor, and Teaching Assistant Professor

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Greenway, G.A., Asiseh, F. & Quaicoe, O. A Cost Benefit Analysis of IPM Decision Support Tools for Potato Psyllids in Idaho, Oregon, and Washington. Am. J. Potato Res. 98, 122–129 (2021). https://doi.org/10.1007/s12230-021-09823-6

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  • DOI: https://doi.org/10.1007/s12230-021-09823-6

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