Publications for:

pest = Alternaria japonica
crop = Brassica - other species

found 2 publications:

2013

First report of Alternaria japonica causing black spot of turnip in Spain
Plant Disease (2013) 97 (11), p.1505
publishers website - pestinfo wiki

2012

First report of damping-off caused by Alternaria japonica on Chinese cabbage seedlings in China
Plant Disease (2012) 96 (9), p. 1378
publishers website - pestinfo wiki