Publications for:

pest = Stemphylium vesicarium
crop = Onion/garlic/leek (Allium)
country = Australia (South+SE)

found 2 publications:

2001

The epidemiology of purple leaf blotch on leeks in Victoria, Australia
European Journal of Plant Pathology (2001) 107 (5), 503-510
publishers website - pestinfo wiki

2000

Stemphylium leaf blight of garlic (Allium sativum) in Australia
Australasian Plant Pathology (2000) 29 (3), 192-199
publishers website - pestinfo wiki