Entries by Staff

Francoise Poliakoff (ANSES) new coordinator of POnTE WP 4, dedicated to diagnostics

POnTE Consortium has recently announced an important novelty in its internal organization. Dr. Françoise Poliakoff, senior plant pathologist and head of bacteriology, virology and GMO units in Plant Health Laboratory (ANSES-LSV), has accepted to lead the coordination of the Work Package “4”, dedicated to the “Implementation and validation of diagnostics for early and rapid detection of […]

Neonicotinoid insecticides losing efficiency in potato psyllid control

by Kay Ledbetter The potato industry may be losing a mainstay in the battle against psyllids, according to a recent Texas A&M AgriLife Research study. Dr. Ada Szczepaniec, AgriLife Research entomologist in Amarillo, said while there may be varying degrees of resistance to neonicotinoid insecticides in populations of psyllids across Texas, her recent study indicates […]

Chalara dieback of ash: Everything you need to know

Chalara dieback of ash, also known as Chalara or ash dieback, is a disease of ash trees caused by a fungus called Hymenoscyphus fraxineus. (The fungus was previously called Chalara fraxinea, hence the name of the disease). Chalara causes leaf loss, crown dieback and bark lesions in affected trees. In this web page, realised by the UK Forestry […]

Characteristics and identification of xylem-sap feeders

The present manual describes characteristics of xylem-sap feeders, vectors of Xylella fastidiosa, and current techniques for their morphological identification, rearing, transmission studies and molecular detection of the pathogen. The manual was realised on the occasion of the International Symposium on the European outbreak of Xylella fastidiosa in olive, organised on October 21-24, 2015 in Apulia Region. […]

“Candidatus Liberibacter solanacearum” associated with the Psyllid, Bactericera maculipennis (Hemiptera: Triozidae)

ORIGINAL ARTICLE Karina M. Borges, W. Rodney Cooper, Stephen F. Garczynski, Jenita Thinakaran, Andy S. Jensen, David R. Horton, Joseph E. Munyaneza, Isabel Cueva, Nina M. Barcenas Yakima Agricultural Research Laboratory, USDA, Agricultural Research Service, Wapato, WA 98951 ABSTRACT The psyllid Bactericera maculipennis (Crawford) (Hemiptera: Triozidae) often cohabits field bindweed (Convolvulus arvensis, Solanales: Convolvulaceae) and […]

Protocols for detection of Xylella fastidiosa

The following protocols for detection of Xylella fastidiosa have been realised on the occasion of the Diagnostic training workshop organised on September 13-15, 2016, by Forest Research Agency (FR) and SG-SASA, as part of their participation in POnTE and Euphresco projects, and funded by the UK Department for Environment, Food and Rural Affairs (DEFRA).