الفهرس 
Linear growth of A. solaniOnly 14 pages are availabe for public view
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Abstract
The present work aims to study early blight disease of Tomato Lycopersicon esculentum incited by Altemaria solani (Ell & Mart) Sor. in Egypt including certain etiological and physiological aspects. The obtained results could be summarized in the following : Isolates of the causal agent collected from different locations indicated that Alternaria solani from the perspective of the morphological characteristics of the fungus and the application of Kock’s postulations through frequent inoculation that disease symptoms fit those of early blight of Tomato . Survey studies gave evidence to the presence of variations in pathogenicity of isolates on the susceptible cultivar. Beto 86. either on leaves or on fruits Linear growth, The natural media supported the growth of A. solani isolates except the isolate of Giza, The same trend was noticed with either solid or liquid media.