Publications for:

pest = Golovinomyces orontii
crop = Campanula (crop)

found 2 publications:

2018

First report of powdery mildew caused by Golovinomyces orontii on Campanula glomerata in Italy
Plant Disease (2018) 102 (10), p. 2041
publishers website - pestinfo wiki

2012

Powdery mildew caused by Golovinomyces orontii on creeping bellflower (Campanula rapunculoides) in Italy
Plant Disease (2012) 96 (2), p.291
publishers website - pestinfo wiki