Field survey guidance for Xylella fastidiosa
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Xylella fastidiosa is the causal agent (bacterium) of plant diseases of many economically important crops such as olive, grapes, almond and citrus. It causes a deficiency in water and mineral uptake by blocking the plants’ transporting tissue called the xylem.It is critical that countries conduct active and regular surveillance to establish the presence or absence of plant pests, especially those with severe impacts on food security, the environment, trade, and agricultural productivity, such as Xylella fastidiosa. This field survey guidance provides a protocol to aid in the monitoring, detection, sample collection, and diagnostics of Xylella fastidiosa, ensuring effective phytosanitary decision-making to manage the pest risk and protect cross-border trade. It provides easy-to-follow guidelines for technical personnel of national plant protection organizations (NPPOs) to survey Xylella fastidiosa.