Publications for:

pest = Oidium (anamorphic genus)
crop = Melampodium (crop)
country = U.S.A. (mid S)

found 1 publications:

2000
First report of Oidium sp. powdery mildew and Tomato spotted wilt virus on Melampodium divaricatum
Plant Disease (2000) 84 (10), p. 1152
publishers website - pestinfo wiki