IPPC APP Field Survey Guidance: Candidatus liberibacter asiaticus

This field survey guidance therefore provides easy-to-follow guidelines for technical personnel of national plant protection organizations (NPPOs), to survey for Candidatus Liberibacter asiaticus. Candidatus Liberibacter asiaticus, commonly known as citrus greening is a pest of regulatory, economic and environmental significance in Africa. The document provides a protocol to aid in the monitoring, detection, sample collection, and diagnostics of Candidatus Liberibacter asiaticus, for effective phytosanitary decision-making to manage the pest risk and protect trade in plants and plant products . This document also provides visuals of symptoms of Candidatus Liberibacter asiaticus on crops such as citrus .