Raízes de mandioca danificadas por Migdolus fryanus produzem amido de baixa qualidade

Visualizações: 298

Autores

DOI:

https://doi.org/10.32404/rean.v9i2.6884

Palavras-chave:

Pragas de solo, Raízes tuberosas, Pragas, Indústria de processamento

Resumo

O objetivo deste trabalho foi avaliar a qualidade do amido produzido por plantas que sofrem danos causados por M. fryanus, analisada por meio de índices colorimétricos e morfológicos. Os dados colorimétricos foram compostos por índices de luminosidade, coordenadas de croma “a” e “b” e índice de escurecimento. Para os dados morfológicos, foram analisados o perímetro e a área dos grânulos de amido extraídos das raízes da mandioca. As variáveis foram resumidas em uma análise de componentes principais e os escores dos eixos retidos para interpretação foram correlacionados com os danos causados por M. fryanus. A partir dessas análises e observando os principais efeitos, foram determinados modelos de regressão linear para as variáveis, de acordo com o nível de dano causado pela praga. O dano causado por M. fryanus nas raízes influenciou fortemente os índices relacionados à colorimetria do amido, portanto, em condições de maior dano, observou-se a tendência das coordenadas de croma de variar para vermelho e amarelo e ocorreu diminuição da luminosidade do amido, inversamente proporcional ao aumento do escurecimento. Semelhante ao observado nos dados colorimétricos, observou-se queda no tamanho dos grânulos de amido nas raízes, que sofreram maiores danos da praga.

Biografia do Autor

Julio César Guerreiro, (Entomologia Agrícola; Pragas; Predador; Joaninha; Seletividade de Inseticidas) - Universidade Estadual de Maringá, Maringá, Paraná

Universidade Estadual de Maringá – Campus de Umuarama: Umuarama, Paraná, Brasil

Ana Paula Azevedo, Maringa State University/ Department of Agrarian Science

Universidade Estadual de Maringá, Campus de Umuarama: Umuarama, Paraná, Brasil.

Evandro Pereira Prado, Sao Paulo State University/ Department of Plant Production

Sao Paulo State University, Department of Plant Production, Campus of Dracena, Dracena, São Paulo, Brazil.

Vanda Pietrowski, Western Paraná State University

Western Paraná State University, Campus of Marechal Cândido Rondon, Marechal Cândido Rondon, Brazil.

Rudiney Ringenberg, Embrapa Cassava and Fruits

Embrapa cassava and fruitculture, Cruz das Almas, Bahia, Brazil.

Cristiane Mengue Feniman Moritz, Maringa State University/ Department of Agrarian Science

Maringa State University, Department of Agrarian Science, Campus of Umuarama, Umuarama, Paraná, Brasil.

Thais Carneiro Ghiotto, Federal University of Sao Carlos

São Carlos Federal University, Campus Sorocaba, Sorocaba, São Paulo, Brazil

Thaíse Milena Pascutti, Maringa State University/ Department of Agrarian Science

Maringa State University, Department of Agrarian Science, Campus of Umuarama, Umuarama, Paraná, Brazil

Pedro José Ferreira-Filho, Federal University of Sao Carlos

Federal University of São Carlos, Campus Sorocaba, Sorocaba, São Paulo, Brazil.

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Publicado

2022-07-05

Como Citar

Guerreiro, J. C., Azevedo, A. P., Prado, E. P., Pietrowski, V., Ringenberg, R., Moritz, C. M. F., … Ferreira-Filho, P. J. (2022). Raízes de mandioca danificadas por Migdolus fryanus produzem amido de baixa qualidade. Revista De Agricultura Neotropical, 9(2), e6884. https://doi.org/10.32404/rean.v9i2.6884

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