Deposition of Insecticide Applied with Remotely Piloted Aircraft in Dense Coffea canephora Crops

Autores

Palavras-chave:

Tecnologia de aplicação, Veículo aéreo não tripulado, Drone pulverizador, Café conilon, Abamectina

Resumo

A utilização de aeronave remotamente pilotada em operações de pulverização e aplicação de defensivos agrícolas na cultura do café conilon tem crescido significativamente. O plantio adensado é uma alternativa para aumento de produtividade e o controle fitossanitário nesta condição de plantio é pouco investigado. O estudo objetivou avaliar a deposição e o resíduo de inseticida na pulverização em lavoura adensada de café conilon utilizando ARP em diferentes taxas de aplicação nas camadas do dossel. As pulverizações ocorrem lavoura de café conilon plantado em sistema de espaçamento de 1,5 m x 0,5 m. O delineamento em blocos ao acaso foi utilizado e os tratamentos distribuídos em esquema de parcela subdividida. Etiquetas sensível à água e alvos artificiais foram utilizados para estimar a cobertura, densidade, deposição de gotas e diâmetro da mediana volumétrica, enquanto a deposição residual foi estimada por meio de cromatografia. Houve um incremento significativo de mais de 2,2 vezes na cobertura das gotas entre as taxas de 5 e 15 L ha-1 e um aumento na deposição de gotas na taxa de 5 L ha-1 na camada superior (10.50 gotas cm-2) e a deposição na taxa de 15 L ha-1 (18.23 gotas cm-2). A média da deposição residual para as taxas de 10 L ha-1 e 15 L ha-1 é igual a 0.670 mg kg-1, cerca de três vezes maior que a deposição residual observada na taxa de 5 L ha-1. Taxas de aplicação entre 10 e 15 L ha-1 são indicadas na aplicação em café conilon adensado.

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Publicado

2026-08-27

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The research data is only available upon request to the corresponding author.

Edição

Seção

Engenharia Agrícola

Como Citar

DA VITÓRIA, Edney Leandro; OLIVEIRA RIBEIRO, Luis Felipe. Deposition of Insecticide Applied with Remotely Piloted Aircraft in Dense Coffea canephora Crops. Revista Ciência Agronômica, [S. l.], v. 57, p. 1–09, 2026. Disponível em: https://periodicos.ufc.br/revistacienciaagronomica/article/view/92250. Acesso em: 11 set. 2026.