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Provedor de dados:  REA
País:  Brazil
Título:  Systems of aerial spraying for soybean rust control
Autores:  Antuniassi,Ulisses R.
Velini,Edivaldo D.
Oliveira,Rone B. de
Peres-Oliveira,Maria A.
Figueiredo,Zulema N.
Data:  2011-01-01
Ano:  2011
Palavras-chave:  Application equipments
Agricultural aviation
Fungicides deposits
Phakopsora pachyrhizi
Resumo:  The soybean rust caused by Phakopsora pachyrhizi is considered the main soybean disease and consequently the appropriate selection and the use of spraying equipment are vital for its control. The aim of this study was to evaluate the performance of aerial application equipment for soybean rust control. It was used: Micronair AU 5000 at 10 L ha-1 (with oil) and at 20 L ha-1 (without oil); Stol ARD atomizer at 10 and 20 L ha-1 (both with oil) and Spectrum (electrostatic) at 10 L ha-1 (without oil). The adjuvant was cotton oil (1.0 L ha-1) with emulsifier (BR 455) at 0.025 L ha-1. The field trial was set up at the 3rd fungicide application, when f four replications of each treatment. There were no statistical differences among treatments related to fungicide deposits by at a Confidence Interval of 95%. It was observed that the best results were obtained with Micronair (10 L ha-1 with oil), Stol (20 L ha-1 with oil) and electrostatic system at 10 L ha-1 with the lowest relative humidity (64%).
Tipo:  Info:eu-repo/semantics/article
Idioma:  Inglês
Identificador:  http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-69162011000400008
Editor:  Associação Brasileira de Engenharia Agrícola
Relação:  10.1590/S0100-69162011000400008
Formato:  text/html
Fonte:  Engenharia Agrícola v.31 n.4 2011
Direitos:  info:eu-repo/semantics/openAccess
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