الفهرس 
Introduction
Biological IdentificationOnly 14 pages are availabe for public view
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Abstract
Tobacco mosaic tobamovirus (TMV) and maize dwarf mosaic potyvirus (MDMV) are considered as ones of the most important viruses, which cause considerable loss in tomato and maize crops, respectively, in Egypt. The viruses were mechanically transmitted. TMV showed no symptoms on phaseolus vulgaris cv. Contender; systemic symptoms on Nicotiana tabacum cvs. White Burley; N. tabacum cv.