Publications for:

pest = Phytophthora cactorum
crop = Walnut/butternut (Juglans)
country = Italy

found 2 publications:

2003

Evaluation of root damage to English walnut caused by five Phytophthora species
Plant Pathology (2003) 52 (4), 491-495
publishers website - pestinfo wiki

1997

Phytophthora cactorum on walnut seedlings in Italian nurseries
European Journal of Forest Pathology (1997) 27 (3), 137-146
publishers website - pestinfo wiki