Host range and survival of powdery mildew of cucmber in Ghor El-Safi Area, Jordan
By: Abu Blan, Hifzi; al-Mumani, A.; al-Jaafirah, J.. Mu'tah Journal for Research and Studies : Natural and Applied Sciences Series. Vol. 17, no. 2 (2002), pp.23-33, 11 p.
Subjects: Jordan; Jordan Valley; Diseases