Publications for:

pest = Alternaria (anamorphic genus)
crop = Hop (Humulus lupulus)

found 2 publications:

2002

Alternaria themes and variations (305-309). Lewia/Alternaria revisited
Mycotaxon (2002) 83, 127-145
pestinfo wiki

2001

First report of infection of hop cones by Alternaria alternata in Australia
Plant Disease (2001) 85 (7), p. 804
publishers website - pestinfo wiki