COMPETITION FOR IRON UPTAKE BY FLUORESCENT PSEUDOMONADS TO CONTROL OF RHIZOCTONIA SOLANI KUHN CAUSING AGENT OF BEAN DAMPING-OFF DISEASE

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SHARIFI R.A.; AHMADZADEH MASOUD; SHARIFI TEHRANI A.; FALAHZADEH V.

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Journal: Iranian Plant Protection Research Year:2008 | Volume:22 | Issue:2 Page(s): 183-195

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Title

COMPETITION FOR IRON UPTAKE BY FLUORESCENT PSEUDOMONADS TO CONTROL OF RHIZOCTONIA SOLANI KUHN CAUSING AGENT OF BEAN DAMPING-OFF DISEASE

Author(s)

SHARIFI R.A. | AHMADZADEH MASOUD | SHARIFI TEHRANI A. | FALAHZADEH V. | Issue Writer Certificate

Keywords

BEANQ3

FLUORESCENT PSEUDOMONADSQ3

RHIZOCTONIA SOLANIQ3

SIDEROPHOREQ2

Abstract

Fluorescens pseudomonads can suppress soil-borne plant pathogens by employing several mechanisms such as competition for iron by means of SIDEROPHOREs. Three indigenous strains Pseudomonas fluorescens (UTPF5, UTPF61 and UTPF76), Pseudomonas aeruginosa 7NSK2 and its pyoverdin mutant, MPFM1, were used for investigation the effect of iron competition on BEAN damping-off suppression. The rates of SIDEROPHORE produced by strains were determined quantitatively. Results demonstrated that 7NSK2 with 625.29 µM had the most ability of pyoverdine production. Study of the role of different iron and zinc concentration on SIDEROPHORE and HCN production exhibited that iron increased HCN and decreased SIDEROPHORE production significantly. Appling of iron chelates and purified pyoverdine indicated that susceptibility to iron competition is correlated to type of chelates and fungi species. Pythium aphanidermatum and R. solani exhibited the most and the lowest susceptibility, respectively. Effects of iron chelates and zinc sulphate on biocontrol activity of strains were assessed in greenhouse condition. By providing of iron and subsequently decrease of iron competition, chelates reduced biocontrol activity especially in the case of UTPF5. This strain suppressed disease and increased plant growth in absence of iron chelates. Pyoverdine mutant, MPFM1, showed moderate biocontrol activity in compartion with wild type.

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References

AN EVALUATION OF THE POTENTIALS OF INDIGENOUS FLUORESCENT PSEUDOMONADES OF WHEAT RHIZOSPHERE FOR PRODUCING SIDEROPHORE

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APA: Copy

SHARIFI, R.A., AHMADZADEH, MASOUD, SHARIFI TEHRANI, A., & FALAHZADEH, V.. (2008). COMPETITION FOR IRON UPTAKE BY FLUORESCENT PSEUDOMONADS TO CONTROL OF RHIZOCTONIA SOLANI KUHN CAUSING AGENT OF BEAN DAMPING-OFF DISEASE. IRANIAN PLANT PROTECTION RESEARCH (JOURNAL OF PLANT PROTECTION), 22(2), 183-195. SID. https://sid.ir/paper/142832/en

Vancouver: Copy

SHARIFI R.A., AHMADZADEH MASOUD, SHARIFI TEHRANI A., FALAHZADEH V.. COMPETITION FOR IRON UPTAKE BY FLUORESCENT PSEUDOMONADS TO CONTROL OF RHIZOCTONIA SOLANI KUHN CAUSING AGENT OF BEAN DAMPING-OFF DISEASE. IRANIAN PLANT PROTECTION RESEARCH (JOURNAL OF PLANT PROTECTION)[Internet]. 2008;22(2):183-195. Available from: https://sid.ir/paper/142832/en

IEEE: Copy

R.A. SHARIFI, MASOUD AHMADZADEH, A. SHARIFI TEHRANI, and V. FALAHZADEH, “COMPETITION FOR IRON UPTAKE BY FLUORESCENT PSEUDOMONADS TO CONTROL OF RHIZOCTONIA SOLANI KUHN CAUSING AGENT OF BEAN DAMPING-OFF DISEASE,” IRANIAN PLANT PROTECTION RESEARCH (JOURNAL OF PLANT PROTECTION), vol. 22, no. 2, pp. 183–195, 2008, [Online]. Available: https://sid.ir/paper/142832/en

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