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Time of year and fungicides on anthracnose intensity in bananas from Northern Minas Gerais

Fernandes MB;
Castro SGV;
Sousa IPS;
Moura MMA;
Matos ADM;
Almeida LB;
Santos MO;
Dias WPA;
Mizobutsi GP;
Mizobutsi EH

Martielle Batista Fernandes

Sabrina Gonçalves Vieira de Castro

Irisléia Pereira Soares de Sousa

Marielly Maria de Almeida Moura

Amanda Dayanne Malta Matos

Luciele Barboza de Almeida

Michelle de Oliveira Santos

Wlly Polliana Antunes Dias

Gisele Polete Mizobutsi

Edson Hiydu Mizobutsi


Keywords

Musa sp.
Colletotrichum musae
Post-harvest disease
Fruits
Chemical control
Environmental interference

Abstract

Banana cultivation is an important economic activity in the semi-arid region of Minas Gerais, however, diseases such as anthracnose are responsible for great losses that affect this fruit. The objective of this study was to evaluate the time of year and the effect of fungicides recorded on anthracnose intensity in the postharvest of 'Prata-Anã' banana produced in the North of Minas Gerais. The study was carried out from February 2017 to January 2018, with bunches of 'Prata-Anã' banana collected monthly. The central bunches were transported to the laboratory and subdivided into bouquets of three fruits. The fruits were treated with fungicides registered for the crop: imazalil and thiabendazole, immersed for two minutes at the recommended concentrations of 2 mL.L-1 and 0.92 mL.L-1, respectively, throughout the year. The fruits immersed for two minutes in water were the control treatment. Disease intensity was assessed by the severity of anthracnose in the fruits and the area under the disease severity progress curve (AACPS) in the fruits was calculated. The experimental design was completely randomized, consisting of three treatments, twelve evaluation periods, five replications and three fruits per replication. The data were submitted to analysis of variance and the means were compared using the Scott-Knott test (p<0.05). The fungicide thiabendazole was inefficient for the control of anthracnose in the postharvest of 'Prata-Anã' banana. The distribution of rainfall interfered significantly with the development of anthracnose. Treatment with the fungicide imazalil showed the lowest AACPS values throughout the year.

 

DOI:https://doi.org/10.56238/sevened2024.007-010


Creative Commons License

This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.

Copyright (c) 2024 Martielle Batista Fernandes, Sabrina Gonçalves Vieira de Castro, Irisléia Pereira Soares de Sousa, Marielly Maria de Almeida Moura, Amanda Dayanne Malta Matos, Luciele Barboza de Almeida, Michelle de Oliveira Santos, Wlly Polliana Antunes Dias, Gisele Polete Mizobutsi, Edson Hiydu Mizobutsi

Author(s)

  • Martielle Batista Fernandes
  • Sabrina Gonçalves Vieira de Castro
  • Irisléia Pereira Soares de Sousa
  • Marielly Maria de Almeida Moura
  • Amanda Dayanne Malta Matos
  • Luciele Barboza de Almeida
  • Michelle de Oliveira Santos
  • Wlly Polliana Antunes Dias
  • Gisele Polete Mizobutsi
  • Edson Hiydu Mizobutsi

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