الفهرس 
IntroductionOnly 14 pages are availabe for public view
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Abstract
Nine selected conventional fungicides belonging to different groups containing both contact and systemic ones in both individual or mixed compounds that act on multiple or single active side to exert their fungitoxic action named Speedcide®(difenoconazole),Cabrioduo®(Dimethomorph+Pyraclostrobin) Toledo®(Tebuconzole),RevusTop® (Difenoconazole+Mandipropamid)Cruze®(Difenoconazole+Azoxystrobin),Diemma®(Tebuconazole+Mancozeb)RoksylM ®(Metalaxyl+Mancozeb),Roksyl Plus ® (Metalaxyl – copper hydroxide) and Remik ®(Metalaxyl + Dimethomorph) as well as six plant oils against tomato early blight causal pathogenic fungus Alternaria solani Sourair using poisoned food techniques in both solid and liquid forms. In addition, the interaction of these fungicides and some biochemical parameters include chlorophyll contents; sugar content (reducing and non reducing) parameters and polyphenol oxidase enzyme activity were also studied.