Division 7.3.2 F1
United Kingdom
Observe for bright fluorescing cells with characteristic morphology of R. solanacearum in the test windows of the test slides (see web site http://forum.europa.eu.int/Public/irc/sanco/Home/main). The fluorescence intensity must be equivalent or better than that of the positive control strain. Cells with incomplete staining or with weak fluorescence must be disregarded.