Journal of
Medicinal Plants Research

  • Abbreviation: J. Med. Plants Res.
  • Language: English
  • ISSN: 1996-0875
  • DOI: 10.5897/JMPR
  • Start Year: 2007
  • Published Articles: 3834

Full Length Research Paper

Control of papaya fruits anthracnose by essential oils of medicinal plants associated to different coatings

Bruna Leticia Dias
  • Bruna Leticia Dias
  • Federal University of Tocantins, Gurupi Campus, 77402-970 Gurupi, Tocantins, Brazil.
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Priscila Fonseca Costa
  • Priscila Fonseca Costa
  • Federal University of Tocantins, Gurupi Campus, 77402-970 Gurupi, Tocantins, Brazil.
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Mateus Sunti Dakin
  • Mateus Sunti Dakin
  • Federal University of Tocantins, Gurupi Campus, 77402-970 Gurupi, Tocantins, Brazil.
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Dalmarcia de Souza Carlos Mou rao
  • Dalmarcia de Souza Carlos Mou rao
  • Federal University of Tocantins, Gurupi Campus, 77402-970 Gurupi, Tocantins, Brazil.
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Felipe Rocha Dias
  • Felipe Rocha Dias
  • Federal University of Tocantins, Gurupi Campus, 77402-970 Gurupi, Tocantins, Brazil.
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Rosangela Ribeiro de Sousa
  • Rosangela Ribeiro de Sousa
  • Federal University of Tocantins, Gurupi Campus, 77402-970 Gurupi, Tocantins, Brazil.
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Ped ro Raym undo Argiielles Osorio
  • Ped ro Raym undo Argiielles Osorio
  • Federal University of Tocantins, Gurupi Campus, 77402-970 Gurupi, Tocantins, Brazil.
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Talita Pereira de Souza Ferreira
  • Talita Pereira de Souza Ferreira
  • Federal University of Tocantins, Gurupi Campus, 77402-970 Gurupi, Tocantins, Brazil.
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Fabricio Souza Campos
  • Fabricio Souza Campos
  • Federal University of Tocantins, Gurupi Campus, 77402-970 Gurupi, Tocantins, Brazil.
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Gil Rod rigues Dos Santos
  • Gil Rod rigues Dos Santos
  • Federal University of Tocantins, Gurupi Campus, 77402-970 Gurupi, Tocantins, Brazil.
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  •  Received: 06 September 2019
  •  Accepted: 31 October 2019
  •  Published: 30 June 2020

Abstract

Chemical pesticides have been commonly used for the control of various plant diseases. Although pathogens can be controlled with the application of these products, there are hazardous impacts in human health and environment. In parallel, essential oils have been shown to be effective in plant diseases management and can be safely incorporated as suitable alternatives for synthetic fungicides. Therefore, the aim of this study was to evaluate the control of papaya fruits anthracnose by different essential oils associated with different coatings. In vitro evaluation of essential oils was carried out to conidial germination and mycelial growth of Colletotrichum gloeosporioides. Quantification of anthracnose and fruits fresh mass loss was also performed for all treatments. Rosemary pepper and Noni essential oils were the most effective in reducing conidia germination and mycelial growth of C. gloeosporioides. The application of essential oils associated with different coatings was as effective as the chemical control, in inhibiting the growth of the pathogen in 100%. Moreover, papaya fruits treated with the mixture of paraffin and essential oils reduced in 7% the fruits fresh mass loss infected with the fungus. These combinations are a promising alternative to chemicals to control anthracnose, a major postharvest disease on papaya during storage.

Key words: Colletotrichum gloeosporioides, alternative control, post-harvest, weight loss.

 

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This article is published under the terms of the Creative Commons Attribution License 4.0

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