A competitive enzyme-linked immunosorbent assay (ELISA) technique was evaluated for quantifying titers of imidacloprid in xylem fluid extracted from Vitis vinifera L. grapevines that were treated w...

Bacterial leaf scorch, caused by Xylella fastidiosa, is a major threat to blueberry production in the southeastern United States. Management of this devastating disease is challenging and often req...

In 2003, symptoms of Pierce Disease (PD) were observed in two vineyards established in two different localities in San Jose province (Santa Ana and La Uruca) and in La Garita, Alajuela province. Tw...

Xylella fastidiosa has recently been identified in the Apulian province of Lecce (south-eastern Italy) in olive trees affected by a devastating disease denoted Olive Quick Decline Syndrome (OQDS), ...

The Standard describes a diagnostic protocol for Xylella fastidiosa. 

First approved in 2004-09. Revised in 2016-09.

The Standard describes a diagnostic protocol for Xylella fastidiosa. 

First approved in 2004-09. Revised in 2016-09 and 2018-04.

The Standard describes a diagnostic protocol for Xylella fastidiosa. 

First approved in 2004-09. Revised in 2016-09, 2018-04 and 2019–05.

Proficiency test (PT) is a way in which the performance and competence of laboratories are evaluated  and assessed. In proficiency testing, standardized samples are prepared with known status regar...

Leaf scorch symptoms on landscape trees infected with Xylella fastidiosa are often confused with similar symptoms caused by stress factors. Because the isolation of X. fastidiosa from trees is diff...

Presentation on the results of the international Proficiency Test for the diagnosis of Xylella fastidiosa organised in the framework of the projects: POnTE, XF-ACTORS and PROMODE

Pecan bacterial leaf scorch (PBLS), caused byXylella fastidiosahas been reported in Georgia, Louisiana, Texas, New Mexico, Arizona, and California. Accurate methods are critical for the early det...