INVESTIGATION ON THE POSSIBILITY OF BIOLOGICAL CONTROL OF SUGAR BEET SEEDLING DAMPING-OFF DISEASE

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SHAHRAKI M.; HEYDARI A.; HASANZADEH N.; REZAIE S.; NARAGHI L.

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Journal: Year:2008 | Volume:13 | Issue:1 Page(s): 23-37

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Title

INVESTIGATION ON THE POSSIBILITY OF BIOLOGICAL CONTROL OF SUGAR BEET SEEDLING DAMPING-OFF DISEASE

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Keywords

SUGAR BEETQ3

BIOLOGICAL CONTROLQ3

SEEDLING DAMPING-OFFQ3

ANTAGONISTIC BACTERIAQ3

Abstract

Rhizoctonia solani-induced SUGAR BEET seedling damping off is one of the most important diseases of SUGAR BEET in Iran. Since the causal agent is a soil borne fungus therefore, chemical control is not always effective. In addition, wide spread use of chemicals has resulted in pollution of the environment and appearance of resistant races of the pathogens. The need for the search of alternative methods to control this disease is therefore clearly obvious. BIOLOGICAL CONTROL could be a promising alternative method. In this study, the possibility of BIOLOGICAL CONTROL of the disease using bacterial antagonists was investigated. Twenty Three bacterial isolates, isolated from Cotton and SUGAR BEET field soil were first screened against Rhizoctinia solani in the laboratory using dual culture method. Ten isolates which showed highest effectiveness were selected for further evaluation in the green house experiments. In green house experiments, the above isolates were tested against damping off disease caused by two isolates of R solani using seed coating and soil drench methods. Analysis of the results showed that 5 out of 10 isolates were the most effective in reducing SUGAR BEET SEEDLING DAMPING-OFF significantly (compared to the control). Of the above mentioned isolates, 4 isolates belonged to Bacillus spp. and the other isolate were identified as Pseudomonas spp based on bacterial identification tests.

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APA: Copy

SHAHRAKI, M., HEYDARI, A., HASANZADEH, N., REZAIE, S., & NARAGHI, L.. (2008). INVESTIGATION ON THE POSSIBILITY OF BIOLOGICAL CONTROL OF SUGAR BEET SEEDLING DAMPING-OFF DISEASE. JOURNAL OF AGRICULTURAL SCIENCES, 13(1), 23-37. SID. https://sid.ir/paper/7915/en

Vancouver: Copy

SHAHRAKI M., HEYDARI A., HASANZADEH N., REZAIE S., NARAGHI L.. INVESTIGATION ON THE POSSIBILITY OF BIOLOGICAL CONTROL OF SUGAR BEET SEEDLING DAMPING-OFF DISEASE. JOURNAL OF AGRICULTURAL SCIENCES[Internet]. 2008;13(1):23-37. Available from: https://sid.ir/paper/7915/en

IEEE: Copy

M. SHAHRAKI, A. HEYDARI, N. HASANZADEH, S. REZAIE, and L. NARAGHI, “INVESTIGATION ON THE POSSIBILITY OF BIOLOGICAL CONTROL OF SUGAR BEET SEEDLING DAMPING-OFF DISEASE,” JOURNAL OF AGRICULTURAL SCIENCES, vol. 13, no. 1, pp. 23–37, 2008, [Online]. Available: https://sid.ir/paper/7915/en

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