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Effect of air blast sprayer application speed on the dye retention of coffee leaves

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dc.contributor.author Alvarenga, Cleyton Batista de
dc.contributor.author Zampiroli, Renan
dc.contributor.author Rinaldi, Paula Cristina Natalino
dc.contributor.author Silva, Tulio Urban Lourenço Miranda
dc.date.accessioned 2023-02-03T23:20:43Z
dc.date.available 2023-02-03T23:20:43Z
dc.date.issued 2022-01-09
dc.identifier.citation ALVARENGA, Cleyton Batista de; ZAMPIROLI, Renan; RINALDI, Paula Cristina Natalino; SILVA, Tulio Urban Lourenço Miranda. Effect of air blast sprayer application speed on the dye retention of coffee leaves. Revista Ceres, Viçosa, v. 69, n. 6, p. 633-638, 09 jan. 2022. Available from: https://doi.org/10.1590/0034-737X202269060001. Accessed: 23 jan. 2023. pt_BR
dc.identifier.issn 2177-3491
dc.identifier.uri DOI: 10.1590/0034-737X202269060001 pt_BR
dc.identifier.uri http://www.sbicafe.ufv.br/handle/123456789/13752
dc.description.abstract Improving the effectiveness of pesticide application for controlling insects, mites, and pathogens in coffee cultivation has been a major challenge for coffee farmers, researchers, and consultants. The present study aimed to assess the deposition and distribution of a brilliant blue tracer in the coffee canopy using Jacto’s Arbus 2000 Super Export EL and Kuhn’s Twister 2000 air blast sprayers at different application speeds (5 and 7 km h-1). The experiment was conducted using a randomized block design, with a 2 × 2 factorial arrangement (two sprayer models and two application speeds), with six replicates. After spraying, leaves were collected, and the deposition of the tracer was assessed using spectrophotometry. The canopy was divided into lower, middle, and upper heights, and subdivided into external and internal crown positions. The percentage difference in spray deposition between positions was termed relative spray deposition. Spray deposition in the internal crown differed only in the upper third section between sprayers. In the external crown, the application speed affected the deposition of tracer dye for both sprayers, whereas, in the internal crown, the application speed only affected the deposition of tracer dye in the upper crown section only when using the Arbus sprayer. pt_BR
dc.format pdf pt_BR
dc.language.iso en pt_BR
dc.publisher Universidade Federal de Viçosa pt_BR
dc.relation.ispartofseries Revista Ceres;v. 69, n. 6, p. 633-638, 2022;
dc.rights Open Access pt_BR
dc.subject coffee cultivation pt_BR
dc.subject spraying pt_BR
dc.subject leaf deposition pt_BR
dc.subject.classification Cafeicultura::Pragas, doenças e plantas daninhas pt_BR
dc.title Effect of air blast sprayer application speed on the dye retention of coffee leaves pt_BR
dc.type Artigo pt_BR

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