الفهرس 
Hosts showing systemic symptomsOnly 14 pages are availabe for public view
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Abstract
The present work was conducted to identify a strain of TuMV and CBRV isolated from naturally infected rape seed and turnip. Experiments were carried out to study thc effect of TuMV and CBRV on yield, of rapa and some morphological claracters of rape under field conditions, turnip radish and rocket salad. Effect of virus infection on the chemical components of some crucifcrous plants ivas also determined.