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Ecology, Etiology, Biology Study on Reproduction and Development of Olive Tree Psylla Euphyllura olivina Costa (Hemiptera: Psyllidae) Under Different Plantation Types A. Dibo and M. Ksantini (Tunisia) Pages 141-148 Isolation and Identification of Bacteria Causing Potato Scab in Syria Kh. Al Taweel, T. Aasar and M. Ghanam (Syria) pages 149-157 Studies on Host Preference and Oviposition Behaviour

Ecology, Etiology, Biology Effect of Some Environmental Factors on Charcoal Rot Disease of Sunflower Caused by Macrophomina phaseolina (Tassi) Goid. M.A. Fayadh,  H.J. Al-Tememi and L.A. Bnein (Iraq) Pages 1-6 Role of Chalara radicicola in Date Palm Trees Decline  M.A. Al-Hamdany, H.Y. Jaber, A.H. Kadhem and J.A. Sabar (Iraq) Pages 118-121 Effect of Aspergillus flavus Metabolites on Wheat Seed Germination and Seedlings

ECOLOGY Life Cycle of Cereal Cyst Nematode Heterodera avenaeWollenweber, 1924 on Wheat Crop in Al-Hassakah Governorate, North East Syria . G.A. Hassan, Kh. Al-Assas and M. Jamal ( Syria ) Pages 101-106 A Study on Wild Bees as Pollinators of Weeds and Herbal Medicinal Plants in Matija Region , Algeria L. Bendifallah, K. Louadi and S.E.

ECOLOGY, EPIDEMIOLOGY, ETIOLOGY Genetic Variation Among Sunn Pest Eurygaster integriceps Put. Populations in Some Countries of West and Central Asia L. Ali, M. El Bouhssini, S. Udupa, M. Baum and M. Nayef Al-Salti (SYRIA) Pages 1-8 Survey for Common Smut Prevalence on Maize in Syria , and Evaluation of Pathogenicity of some Ustilago maydis DC Corda Isolates R. Baghdadi,

BIOLOGY, ECOLOGY, EPIDEMIOLOGY, ETIOLOGY Morphological and Biological Study of the Coccinellid Psyllobora vigintiduopunctata (L.) (Coleoptera: Coccinellidae), a Predator of Powdery Mildew . Ahmad, G. Younes and N. Ali (SYRIA) Pages 111-117 The Effect of Pear Variety, Direction and Some Other Environmental Factors on Egg Laying of the Lace Pear Bugs Stephanitis pyri (F.) (Tingidae: Hemiptera). N.M. Al-Mallah and A.K.

Supplement, Abstract Book of the 10th Arab Congress of Plant Protection

BIOLOGY, ECOLOGY Biology and Chemical Control of the Old World Bug (Doubas bug) Ommatissus l ybicus DeBerg on Date Palm Trees in the Coastal Areas of Hadramout Governorate, Republic of Yemen S.A. Ba-Angood, A.S. Al-Ghurabi and M.A. Hubaishan ( Yemen ) Pages 1-9 The Effect of Temperature on Some Biological Characteristics of Trissolcus vassilievi Mayer, an Egg Parasitoid of Sunn Pest ( Eurygaster

ECOLOGY, BIOLOGY Study of Date Palm Leaf Spots Disease in Basrah and Effect of Some Factors (Age of Palm, Wax Content) on Infection. M.A. Fayad and A.O. Mania (IRAQ) Pages 81-88 The Economic Importance of the Shoot Fly, Atherigona soccat Rondani on Sorghum in Iraq.  H.H. Al-Karboli and A.I. Al- Nakhli (IRAQ & YEMEN) Pages

  BIOLOGY, ECOLOGY, EPIDEMIOLOGY Biological and Ecological Studies on the ParasitoidDolichogenidea trachalus (Nixon) (Hymenoptera: Braconidae), Collected from the Olive Moth (Jasmine Moth) Palpita unionalisHübner (Lepidoptera: Pyralidae) in Syria. M.S. Lababidi and D. Haj Hammoud (SYRIA) Pages 1-6 The Effect of Some Chemical Components of Sap and Heart wood of Some Forest Trees on Termite PreferenceMicrocerotermes diversus Silv. (Isoptra:

SURVEY Field Survey of the Alternaria Tomato Diseases, and Research of Resistant Genitic Resources in Syria. O. Atik, A. El-Ahmed, M. Abou-Shaar and M. Yabrak (Syria). Pages 129-137 BIOLOGY, ECOLOGY The Effect of Temperature on Some Biological Aspects of the Southern Cowpea Weevil Callosobruchus maculatus (F.) K.S. Mahmood and T.M. Salih (Libya) Pages 138-141 Seasonal Presence of Wax Scale Ceroplastes