A polishing the harmful effects of Broad Bean Mottle Virus infecting broad bean plants by enhancing the immunity using different potassium concentrations

  • Mahmoud R. SOFY Al-Azhar University, Faculty of Science, Botany and Microbiology Department, 11884 Nasr City, Cairo (EG)
  • Ahmed G. MANCY l-Azhar University, Faculty of Agriculture, Soil and Water Department, Nasr City, Cairo (EG)
  • Abd El‐Aleem M. ALNAGGAR Al-Azhar University, Faculty of Agriculture, Agriculture Botany Department, Nasr City, Cairo, (EG)
  • Ehab E. REFAEY Al-Azhar University, Faculty of Science, Botany and Microbiology Department, 11884 Nasr City, Cairo (EG)
  • Heba I. MOHAMED Ain Shams University, Faculty of Education, Department of Biological and Geological Sciences, Cairo (EG)
  • Mohamed E. ELNOSARY Al-Azhar University, Faculty of Science, Botany and Microbiology Department, 11884 Nasr City, Cairo (EG)
  • Ahmed R. SOFY Al-Azhar University, Faculty of Science, Botany and Microbiology Department, 11884 Nasr City, Cairo (EG)
Keywords: disease severity, phenolic compounds, photosynthetic characteristic, phytohormone, proline, SPDA


Broad bean mottle virus (BBMV) infects a wide range of hosts, resulting in significant production reductions. The lack of adequate and effective control methods involves implementing novel BBMV control strategies. Herein, we demonstrate the effect of different potassium concentrations (20, 40, and 60 mM) against BBMV in broad bean plants. Potassium could control BBMV infection in broad bean by inhibiting the virus. In addition, infection with BBMV caused a significant decrease in morphological criteria, SPDA, photosynthetic characteristics, phytohormones, and mineral content in broad bean leaves compared to control plants. The levels of reactive oxygen species (ROS) (hydrogen peroxide, hydroxyl radical, and oxygen anion) and ROS scavenging enzymes (catalase, superoxide dismutase, peroxidase, phenylaniline ammonia-lyase, chitinase, and 1,3 - glucanase) increased significantly in plants inoculated with BBMV alone or in the presence of K+. In addition, proline and phenolic compounds increased significantly after being infected with BBMV. In conclusion, treatment with a high potassium concentration (60 mM) alleviates the adverse effect of BBMV on broad bean plants by boosting secondary metabolites, phytohormones, and enzymatic antioxidants.


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How to Cite
SOFY, M. R., MANCY, A. G., ALNAGGAR, A. E. M., REFAEY, E. E., MOHAMED, H. I., ELNOSARY, M. E., & SOFY, A. R. (2022). A polishing the harmful effects of Broad Bean Mottle Virus infecting broad bean plants by enhancing the immunity using different potassium concentrations. Notulae Botanicae Horti Agrobotanici Cluj-Napoca, 50(1), 12654. https://doi.org/10.15835/nbha50112654
Research Articles
DOI: 10.15835/nbha50112654