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Effect of Arbuscular Mycorrhizal Fungi and Trichoderma on Plant Health and Disease Suppression in Cotton

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The experiments were carried out to study the effect of AMF and biocontrol agents on improving plant health and suppressing plant diseases in cotton cultivar, MCU-5-VT. Inoculation of both AMF and Trichoderma reduced disease severity. Biochemical concentrations in plant tissues were significantly influenced by AMF and biocontrol agent inoculation. Higher biochemical concentrations with maximum accumulation of proteins, amino acids and phenols were observed in plants inoculated with the tested microorganisms. Defense related enzyme activity, peroxidase and phenyl alanine ammonia-lyase, increased with inoculation of both AMF and the pathogen. Generally enzyme activities reached their maximum at early stages of plant growth and were reduced subsequently. Soil microbial activity, measured in terms of soil respiration rate and dehydrogenase activity, increased significantly in inoculated soils.

Abstract

The experiments were carried out to study the effect of AMF and biocontrol agents on improving plant health and suppressing plant diseases in cotton cultivar, MCU-5-VT. Inoculation of both AMF and Trichoderma reduced disease severity. Biochemical concentrations in plant tissues were significantly influenced by AMF and biocontrol agent inoculation. Higher biochemical concentrations with maximum accumulation of proteins, amino acids and phenols were observed in plants inoculated with the tested microorganisms. Defense related enzyme activity, peroxidase and phenyl alanine ammonia-lyase, increased with inoculation of both AMF and the pathogen. Generally enzyme activities reached their maximum at early stages of plant growth and were reduced subsequently. Soil microbial activity, measured in terms of soil respiration rate and dehydrogenase activity, increased significantly in inoculated soils.

참고문헌 (39)

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