Interaction between Bean yellow mosaic virus and Botrytis fabae on Faba Bean and the Possibility of their Control by Plant Growth Promoting rhizobacteria
Hilal, A., Shafie, R., El-Sharkawy, H. (2016). Interaction between Bean yellow mosaic virus and Botrytis fabae on Faba Bean and the Possibility of their Control by Plant Growth Promoting rhizobacteria. EKB Journal Management System, 44(1), 81-97. doi: 10.21608/ejp.2016.91927
Arafa A. Hilal; Radwa M. Shafie; Hany H.A. El-Sharkawy. "Interaction between Bean yellow mosaic virus and Botrytis fabae on Faba Bean and the Possibility of their Control by Plant Growth Promoting rhizobacteria". EKB Journal Management System, 44, 1, 2016, 81-97. doi: 10.21608/ejp.2016.91927
Hilal, A., Shafie, R., El-Sharkawy, H. (2016). 'Interaction between Bean yellow mosaic virus and Botrytis fabae on Faba Bean and the Possibility of their Control by Plant Growth Promoting rhizobacteria', EKB Journal Management System, 44(1), pp. 81-97. doi: 10.21608/ejp.2016.91927
Hilal, A., Shafie, R., El-Sharkawy, H. Interaction between Bean yellow mosaic virus and Botrytis fabae on Faba Bean and the Possibility of their Control by Plant Growth Promoting rhizobacteria. EKB Journal Management System, 2016; 44(1): 81-97. doi: 10.21608/ejp.2016.91927

Interaction between Bean yellow mosaic virus and Botrytis fabae on Faba Bean and the Possibility of their Control by Plant Growth Promoting rhizobacteria

Egyptian Journal of Phytopathology
Article 7, Volume 44, Issue 1, June 2016, Page 81-97  XML PDF (354.59 K)
Document Type: Original Article
DOI: 10.21608/ejp.2016.91927
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Authors
Arafa A. Hilal* 1; Radwa M. Shafie2; Hany H.A. El-Sharkawy email orcid 3
1Medicinal & Aromatic Plant Dis. Res. Dept., Plant Pathol. Res. Inst., ARC, Egypt
2Virus & Phytoplasma Res. Dept., Plant Pathol. Res. Inst., ARC, Egypt
3Plant Pathology Research Institute, Agricultural Research Center, 12619, Giza, Egypt
Abstract
Faba bean plants infected by Bean yellow mosaic virus (BYMV) were more susceptible to infection by Botrytis fabae using the detached leaf method. Lesion grades, rate and extent of lesion spread as well as sporulation of B. fabae were increased on leaves infected with virus compared with healthy ones. Lesions caused by B. fabae on leaves infected by BYMV, were larger and developed more rapidly than on virus- free plants. Sporulation on lesions caused by BYMV began earlier and was more abundant than on virus-free plants. The indirect ELISA was carried-out to confirm the identity of the virus. Five strains of plant growth promoting rhizobacteria (PGPR), i.e. Rhizobacterin, Cerealin, Microbien, Nitrobien and Biogen were tested as foliar spraying or seed soaking for induction of systemic resistance (ISR) in faba bean plants to BYMV and B. fabae. Foliar treatment with Microbien showed higher reduction in the level of disease severity and disease incidence for either BYMV and B. fabae. Spraying faba bean with Microbien significantly increased abscisic acid (ABA), salicylic acid (SA) and jasmonic acid (JA) levels than the other treatments. The treatments tested increased phenolic compounds and the activities of peroxidase and polyphenoloxidase in the tested plants compared to healthy materials.
Keywords
B. fabae; Bean yellow mosaic virus (BYMV); Chocolate spot; Faba bean; Induction of systemic resistance (ISR); Interaction; Peroxidase; Phenols; Plant growth promoting rhizobacteria (PGPR); Polyphenoloxidase
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