With or without pesticides, effective management of pests of trees in urban landscapes depends upon an accurate diagnosis. We describe how the Purdue Tree Doctor I-phone app was developed for use by homeowners and landscape professionals to diagnose tree problems and identify solutions. We then discuss how this resident smartphone app can be used in users' moment of learning need to provide diagnostic and management solutions to plant health problems.
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Beckerman, J. L., & Sadof, C. S. (2013). Caught with Your Plants Down? There's an App for That!. The Journal of Extension, 51(2), Article 13. https://doi.org/10.34068/joe.51.02.13