Publications for:

pest = Podosphaera clandestina
crop = Elm (Ulmus)

found 2 publications:

2006

Occurrence of powdery mildews on new hosts in Turkey
Phytoparasitica (2006) 34 (5), 474-476
publishers website - pestinfo wiki

Rediscovery of Erysiphe clandestina on elm (Ulmus) in Germany
Plant Pathology (2006) 55 (2), p.296
publishers website - pestinfo wiki