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2017•Journal of Environmental Studies and ResearchesOpen access

EFFICIENCY OF LOCAL TRICHODERMA ISOLATES AGAINST ROOT ROT PATHOGENS, PYTHIUM ULTIMUM AND RHIZOCTONIA SOLANI

M.A. Elsbag, Ashraf Nofal, Mohamed Elhoweity

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Abstract

wenty three isolates of Trichoderma spp.were isolated from rhizospheric soil of different plants in different regions of Egypt.By using dual culture method, they were tested for antagonistic Efficiency against tested phytopathogenic fungi (Rhizoctoniasoloni and pythiumultimum)The results revealed that Trichoderma atroviride and Trichoderma koningi icauses completely overgrowth (100%) on tested pathogenic fungi.Analysis of filtrated of Trichoderma atroviride contain of antibiotics Trichorzins(13.0mg/ml)But in case of Trichoderma koningii contain high amount of protease enzymes (6.34 m/mg protein).The results of this study identify Trichoderma atroviride and Trichoderma konigiv have a significant antagonistic effect against root rot Phytopathogen fungi and as promising biological control agents for further test against root rot disease.

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wenty three isolates of Trichoderma spp.were isolated from rhizospheric soil of different plants in different regions of Egypt.By using dual culture method, they were tested for antagonistic Efficiency against tested phytopathogenic fungi (Rhizoctoniasoloni and pythiumultimum)The results revealed that Trichoderma atroviride and Trichoderma koningi icauses completely overgrowth (100%) on tested pathogenic fungi.Analysis of filtrated of Trichoderma atroviride contain of antibiotics Trichorzins(13.0mg/ml)But in case of Trichoderma koningii contain high amount of protease enzymes (6.34 m/mg protein).The results of this study identify Trichoderma atroviride and Trichoderma konigiv have a significant antagonistic effect against root rot Phytopathogen fungi and as promising biological control agents for further test against root rot disease.

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Available abstract

wenty three isolates of Trichoderma spp.were isolated from rhizospheric soil of different plants in different regions of Egypt.By using dual culture method, they were tested for antagonistic Efficiency against tested phytopathogenic fungi (Rhizoctoniasoloni and pythiumultimum)The results revealed that Trichoderma atroviride and Trichoderma koningi icauses completely overgrowth (100%) on tested pathogenic fungi.Analysis of filtrated of Trichoderma atroviride contain of antibiotics Trichorzins(13.0mg/ml)But in case of Trichoderma koningii contain high amount of protease enzymes (6.34 m/mg protein).The results of this study identify Trichoderma atroviride and Trichoderma konigiv have a significant antagonistic effect against root rot Phytopathogen fungi and as promising biological control agents for further test against root rot disease.

Key concepts: Pythium ultimum, Rhizoctonia solani, Rhizoctonia, Root rot, Pythium, Damping off, Biology, Trichoderma

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EFFICIENCY OF LOCAL TRICHODERMA ISOLATES AGAINST ROOT ROT PATHOGENS, PYTHIUM ULTIMUM AND RHIZOCTONIA SOLANI — Research Paper | ScholarLens