الفهرس 
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Abstract
1- fifty seven plant samples of tomato cvs. super strain B. ELBASHA 1077 and ALISSA F1 were obtained from naturally infected plants showing mosaic symptoms suspected of being caused by tomato mosaic virus (TOMV) and growing in fields belonging to different governorates in egypt (kafr el- sheikh, el- beheira and el- gharbia). Applying the indirect ELISA technique with the use of three polyclonal antisera specific to three viruses.