ECOLOGY Study of Some Species of the Genus Gymnosporangium and its Host Plant Families in Al-Kadmous Region, Syria Ghazal and A. Shaheen (SYRIA) Pages 286-292 https://doi.org/10.22268/AJPP-40.4.286292 ETIOLOGY Infection and Egg Development of the Root-Knot Nematode Meloidogyne javanica on Oleander Nerium oleander R.M. Adel and F.K. Aljuboori (IRAQ) Pages 293-298 https://doi.org/10.22268/AJPP-40.4.293298 EPIDEMIOLOGY Prediction of