African Journal of
Agricultural Research

  • Abbreviation: Afr. J. Agric. Res.
  • Language: English
  • ISSN: 1991-637X
  • DOI: 10.5897/AJAR
  • Start Year: 2006
  • Published Articles: 6853

Full Length Research Paper

Efficiency of Trichoderma asperellum UFT 201 as plant growth promoter in soybean

Aloisio Freitas Chagas Junior
  • Aloisio Freitas Chagas Junior
  • Department of Agricultural Sciences and Technology, Federal University of Tocantins (UFT), Rua Badejós, CEP 7740-2970 Gurupi, Tocantins, Brazil.
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Lillian França Borges Chagas
  • Lillian França Borges Chagas
  • Department of Agricultural Sciences and Technology, Federal University of Tocantins (UFT), Rua Badejós, CEP 7740-2970 Gurupi, Tocantins, Brazil.
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Luciane de Oliveira Miller
  • Luciane de Oliveira Miller
  • Department of Phytopathology, JCO Fertilizers and Bioproducts Company, CEP 4780-1651 Vila Nova, Barreiras, Bahia, Brazil.
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Jose Claudio de Oliveira
  • Jose Claudio de Oliveira
  • Department of Phytopathology, JCO Fertilizers and Bioproducts Company, CEP 4780-1651 Vila Nova, Barreiras, Bahia, Brazil.
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  •  Received: 18 September 2018
  •  Accepted: 04 January 2019
  •  Published: 31 January 2019

Abstract

Filamentous fungi of the genus Trichoderma are known for their activity as plant growth promoters. The objective of this work was to evaluate the efficiency of the Trichoderma asperellum UFT 201 strain as a plant growth promoter in soybean. The ability of phosphate solubilization, indole acetic acid synthesis and the effect on soybean plant growth under greenhouse conditions were evaluated in four experiments. In vitro and in vivo analyzes were performed. Plant biomass characteristics such as shoot dry mass (SDM), root dry mass (RDM) and total dry mass (TDM) were evaluated. T. asperellum UFT 201 showed a significantly higher concentration (p <0.05) with a phosphate solubilization capacity of 67.8% higher than the positive control treatment (Trichoderma harzianum). The production of indole acetic acid (IAA) by T. asperellum UFT 201 was 26.7% higher than the positive control. The effect on the biomass treated by T. asperellum UFT 201 was higher (p <0.05) than the positive and absolute controls. Thus, inoculation by T. asperellum UFT 201 showed high efficiency as a growth promoter in soybean.

Key words: Phosphate solubilization, indole acetic acid, growth promoter, Glycine max.

 

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