الفهرس 
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Abstract
Indirect ELISA studies revealed that the most frequently detected virus in all
tested plants showing mosaic symptoms was Bean Yellow Mosaic Virus
(BYMV).
The virus-induced symptoms in diagnostic hosts revealed that mosaic on
faba bean, chloritic mosaic on cowpea, local lesions on Chenopodium
amaranticolor.
Electron micrographs of ultrathin sections prepared from BYMV-infected
faba bean leaves showed aggregates of virus particles randomly distributed
in the cell and mitochondrial degeneration.
Two bacterial isolates were selected upon their antiviral activity,
phenotypically characterized, 16S rRNA sequenced and identified
as Bacillus sp and Rhizobium etlli (Abis-Alexandria)
In vivo, the application of the Bacillus treatment showed the highest shoot
and fresh root weight with 46.33 and 48.7 g, respectively, followed by
Rhizobium treatment with 41.67 and 43.3g. Compared to control, the viral
treatment only exhibited the lowest weight with 20.67and 21.7g.
The Phenolic content (TPC) in the Rhizobium treatment showed the highest
content with 21.54 GAE mg/100g extract compared to control 10.17 GAE
mg/100g extract. The virus treatment showed a relative accumulation level
of 11.50 GAE mg/100g extract