African Journal of
Agricultural Research

  • Abbreviation: Afr. J. Agric. Res.
  • Language: English
  • ISSN: 1991-637X
  • DOI: 10.5897/AJAR
  • Start Year: 2006
  • Published Articles: 6578

Full Length Research Paper

Fungicides phytotonic action on the development of soybean

Wendell Rezende Moreira Ribeiro
  • Wendell Rezende Moreira Ribeiro
  • Post-graduate in Crop Production, Federal University of Piauí, Bom Jesus, PI, Brazil.
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Leandro Pereira Pacheco
  • Leandro Pereira Pacheco
  • Department of Crop Production, Federal University of Mato Grosso, Rondonópolis, MT Brazil.
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Fernando Pereira Monteiro
  • Fernando Pereira Monteiro
  • Department of Phytopatology, Federal University of Lavras, Lavras, MG Brazil.
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Fabiano André Petter
  • Fabiano André Petter
  • Department of Crop Production, Federal University of Mato Grosso, Sinop, MT Brazil.
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Wellson Lopes de Carvalho
  • Wellson Lopes de Carvalho
  • Graduate in Agronomy, Federal University of Piauí, Bom Jesus, PI Brazil.
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Tiago de Oliveira Sousa
  • Tiago de Oliveira Sousa
  • Graduate in Agronomy, Federal University of Piauí, Bom Jesus, PI Brazil.
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Adriano Venicius Santana Gualberto
  • Adriano Venicius Santana Gualberto
  • Graduate in Agronomy, Federal University of Piauí, Bom Jesus, PI Brazil.
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Francisco de Alcântara Neto
  • Francisco de Alcântara Neto
  • Graduate in Agronomy, Federal University of Piauí, Teresina, PI Brazil.
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  •  Received: 10 June 2014
  •  Accepted: 10 October 2014
  •  Published: 30 October 2014

Abstract

Some studies has shown that some fungicides may promote phytotonic effect on plants, resulting in gain on the growth and productivity. The objective here was to evaluate the phytotonic action of different fungicides, when applied on the seed and aerial part treatments on the soybean culture. Experimental design chosen was a randomized-block type with nine treatments consisting of eight groups of fungicides applied as seed treatment and aerial part of the plant with four replications. Pyraclostrobin + Methyl thiophanate favored root development on plantlets, plant height and grain yield, when it was applied on the soybean seeds. Fungicides applied on the plant aerial part showed positive effects on control of foliar diseases in soybean. The weight of one thousand grains was higher, when Pyraclostrobin + Methyl thiophanate was used for seeds treatment.
 
Key words: Pyraclostrobin, azoxystrobin, strobilurin, nutrients and productivity.