Induction of defense responses in common bean plants by arbuscular mycorrhizal fungi

Microbiological Research
G M Abdel-FattahY M Rashad

Abstract

Interaction between arbuscular mycorrhizal fungi as a bio-agent and Rhizoctonia root rot disease of common bean plant was investigated in this study under natural conditions in pot experiment. A mixture of Egyptian formulated AM (Multi-VAM) in suspension form (1 × 10(6) unit L(-1) in concentration) was used at dilution of 5 ml L(-1) water. The results demonstrated that colonization of bean plants with AM fungi significantly increased growth parameters, yield parameters and mineral nutrient concentrations and reduced the negative effects on these parameters as well as both disease severity and disease incidence. Different physical and biochemical mechanisms have been shown to play a role in enhancement of plant resistance against Rhizoctonia solani, namely, improved plant nutrition, improved plant growth, increase in cell wall thickening, cytoplasmic granulation, and accumulation of some antimicrobial substances (phenolic compounds and defense related enzymes).

References

Apr 12, 2001·Plant Science : an International Journal of Experimental Plant Biology·D GuenouneY Kapulnik
Dec 23, 2003·Lancet·Thomas A Arcury, Sara A Quandt
Sep 16, 2006·Phytochemistry·Alfred M Mayer
Jul 31, 2007·Current Opinion in Plant Biology·María J Pozo, Concepción Azcón-Aguilar

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Citations

Jul 23, 2013·Trends in Plant Science·Duncan D CameronJurriaan Ton
Jan 4, 2020·Brazilian Journal of Microbiology : [publication of the Brazilian Society for Microbiology]·Leandro L da SilvaMarisa V de Queiroz

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