Bicos de pulverização na aplicação de herbicidas pós-emergentes na cultura da soja
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Data
2005-08
Título da Revista
ISSN da Revista
Título de Volume
Editor
João Batista Duarte
Resumo
During the 1994/1995 growing season at Goiânia, GO, Brazil (altitude 730 m, 16o41'S, 49o17'W), a field experiment was carried out to study spraying nozzles in post-emergent herbicide spray on soybean crop, and their effects on weed control. Droplets were obtained by hydraulic nozzles 110-SF-01 (70 L.ha-1), D2-23 (75 L.ha-1), 110-SF-02 (139 L.ha-1), D3-25 (132 L.ha-1), 110-SF-03 (208 L.ha-1) and D5-25 (200 L.ha-1). Acifluorfen and bentazon were applied with total coverage on soybean and weed plants. Treatments were assessed by measurements of weed control, phytotoxicity, soybean plant height and grain yield. The variation on spraying nozzles did not influence the weed control among studied plants. Although acifluorfen showed better weed control than bentazon, it was more phytotoxic to soybean plants. The different treatments did not show any harmful effects on grain yield or plant height on the soybean crop.
Descrição
Palavras-chave
Volume de pulverização, Controle químico, Pulverizador, Volume of spray, Chemical control, Sprayer
Citação
BARCELLOS, Luiz Carlos; ALMEIDA, Rogério de Araújo; LEÃO, Paulo Garcez Ferreira; CARVALHO, Yvo de. Bicos de pulverização na aplicação de herbicidas pós-emergentes na cultura da soja. Pesquisa Agropecuária Tropical, Goiânia, v. 35, n. 2, p. 85-91, maio/ago. 2005. Disponível em: <https://www.revistas.ufg.br/pat/article/view/2255>.