Plant Pathology, SCRI, Invergowrie, Dundee, UK. peter.cock@scri.ac.uk|Plant Pathology, SCRI, Invergowrie, Dundee, UK. peter.cock@scri.ac.uk|Plant Pathology, SCRI, Invergowrie, Dundee, UK. peter.cock@scri.ac.uk|Plant Pathology, SCRI, Invergowrie, Dundee, UK. peter.cock@scri.ac.uk|Plant Pathology, SCRI, Invergowrie, Dundee, UK. peter.cock@scri.ac.uk|Plant Pathology, SCRI, Invergowrie, Dundee, UK. peter.cock@scri.ac.uk|Plant Pathology, SCRI, Invergowrie, Dundee, UK. peter.cock@scri.ac.uk|Plant Pathology, SCRI, Invergowrie, Dundee, UK. peter.cock@scri.ac.uk|Plant Pathology, SCRI, Invergowrie, Dundee, UK. peter.cock@scri.ac.uk|Plant Pathology, SCRI, Invergowrie, Dundee, UK. peter.cock@scri.ac.uk|Plant Pathology, SCRI, Invergowrie, Dundee, UK. peter.cock@scri.ac.uk