Effect of Trinexapac-ethyl associated with nitrogen fertilization on upland rice nutritional status and grain yield

Detalhes bibliográficos
Autor(a) principal: Ferrari, Samuel
Data de Publicação: 2020
Outros Autores: Cordeiro, Luis Fernando dos Santos, Carara, Luís Guilherme Delovo, Nascimento, Vagner do, Lopes, Paulo Renato Matos, Prado, Evandro Pereira, Viana, Ronaldo da Silva
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Research, Society and Development
Texto Completo: https://rsdjournal.org/index.php/rsd/article/view/9409
Resumo: Trinexapac-ethyl spraying time and proper nitrogen rate are essential to reduce plant height and lodging at harvest, without affecting rice yield and nutritional balance. This study aimed to evaluate trinexapac-ethyl spraying time and N contents as topdressing for upland rice paddies. The experiment was carried out in a randomized block design and a 4x5 factorial scheme, with four replications. Treatments consisted of four trinexapac-ethyl spraying times, in the phenological stages of tillering, floral differentiation, between tillering and floral differentiation, and a control (without spraying), and five nitrogen rates (0, 50, 100, 150, and 200, kg ha-1) as topdressing. As nitrogen topdressing rates increased, leaf contents of N, Fe++, and Zn++ increased, while S and Mn++ decreased; however, contents of P, Ca++, Mg++, B, and Cu++ were little influenced. When trinexapac-ethyl was applied, leaf contents of N, P, S, B, and Zn++ were little influenced, while P, Ca++, Mg++, Fe++, and Mn++ increased, and Cu++ decreased. Trinexapac-ethyl can be applied at tillering without decreasing rice yield. Upland rice increased grain yield by 58 and 46% in two consecutive crop years due to application of about 120 kg N ha-1 as topdressing.
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spelling Effect of Trinexapac-ethyl associated with nitrogen fertilization on upland rice nutritional status and grain yieldEfecto de Trinexapac-etil asociado con la fertilización con nitrógeno en el estado nutricional del arroz de secano y el rendimiento de granoEfeito do Trinexapac-ethyl associado com adubação nitrogenada afeta o estado nutricional e a produtividade de arroz de terras altasOryza sativa L.Nitrogen ratesGibberellinGrowth regulatorLeaf diagnosis.Oryza sativa L.dosis de nitrógenogiberelinaregulador de crecimientodiagnóstico foliarOriza sativa LGiberelinaRegulador de crescimentoDoses de nitrogênioDiagnose foliar.Trinexapac-ethyl spraying time and proper nitrogen rate are essential to reduce plant height and lodging at harvest, without affecting rice yield and nutritional balance. This study aimed to evaluate trinexapac-ethyl spraying time and N contents as topdressing for upland rice paddies. The experiment was carried out in a randomized block design and a 4x5 factorial scheme, with four replications. Treatments consisted of four trinexapac-ethyl spraying times, in the phenological stages of tillering, floral differentiation, between tillering and floral differentiation, and a control (without spraying), and five nitrogen rates (0, 50, 100, 150, and 200, kg ha-1) as topdressing. As nitrogen topdressing rates increased, leaf contents of N, Fe++, and Zn++ increased, while S and Mn++ decreased; however, contents of P, Ca++, Mg++, B, and Cu++ were little influenced. When trinexapac-ethyl was applied, leaf contents of N, P, S, B, and Zn++ were little influenced, while P, Ca++, Mg++, Fe++, and Mn++ increased, and Cu++ decreased. Trinexapac-ethyl can be applied at tillering without decreasing rice yield. Upland rice increased grain yield by 58 and 46% in two consecutive crop years due to application of about 120 kg N ha-1 as topdressing.El tiempo de pulverización de trinexapac-etil y la tasa de nitrógeno adecuada son esenciales para reducir la altura de la planta y el alojamiento en la cosecha, sin afectar el rendimiento del arroz y el equilibrio nutricional. Este estudio tuvo como objetivo evaluar el tiempo de aspersión de trinexapac-etilo y el contenido de N como cobertura para arrozales de secano. El experimento se llevó a cabo en un diseño de bloques al azar y un esquema factorial 4x5, con cuatro repeticiones. Los tratamientos consistieron en cuatro tiempos de aspersión de trinexapac-etil, en las etapas fenológicas de macollamiento, diferenciación floral, entre macollamiento y diferenciación floral, y un control (sin aspersión), y cinco dosis de nitrógeno (0, 50, 100, 150 y 200, kg ha-1) como cobertura. A medida que aumentaron las dosis de aplicación de nitrógeno, aumentaron los contenidos foliares de N, Fe++ y Zn++, mientras que S y Mn++ disminuyeron; sin embargo, los contenidos de P, Ca++, Mg++, B y Cu++ fueron poco influenciados. Cuando se aplicó trinexapac-etil, los contenidos foliares de N, P, S, B y Zn++ se vieron poco afectados, mientras que P, Ca++, Mg++, Fe++ y Mn++ aumentaron y Cu++ disminuyó. El trinexapac-etil se puede aplicar en el macollamiento sin disminuir el rendimiento del arroz. El arroz de secano aumentó el rendimiento de grano en un 58 y un 46% en dos años de cosecha consecutivos debido a la aplicación de aproximadamente 120 kg de N ha-1 como cobertura.O momento de aplicação do trinexapac-ethyl e a dose de nitrogênio (N) adequada são fundamentais para propiciar a redução da altura e acamamento das plantas no momento da colheita, sem afetar a produtividade e o desequilíbrio nutricional das plantas de arroz. O objetivo do estudo foi avaliar época de aplicação de trinexapac-ethyl e doses de nitrogênio em cobertura no arrozeiro de terras altas. O delineamento experimental foi em blocos casualizados em esquema fatorial 4x5, com quatro repetições, sendo quatro épocas de aplicação de trinexapac-ethyl realizadas nos estádios fenológicos de perfilhamento (P), diferenciação floral (DF), entre o P-DF e controle sem aplicação, e cinco doses de N, 0, 50, 100, 150 e 200 kg ha-1 em cobertura. Conforme acrescentado as doses de nitrogênio em cobertura, o teor foliar de N, Fe++ e Zn++ aumentou, P, Ca++, Mg++, B e Cu++ pouco foram influenciados, e houve diminuição nos teores de S e Mn++. Quando aplicado trinexapac-ethyl os teores foliares de N, P, S, B e Zn++ foram pouco influenciados; P, Ca++, Mg++, Fe++ e Mn++ aumentaram e Cu++ diminuiu. A aplicação de trinexapac-ethyl no perfilhamento do arrozeiro pode ser realizada sem diminuir a produtividade. O arroz de terras altas incrementou a produtividade de grãos em 58 e 46% em duas safras respectivamente devido à aplicação de aproximadamente 120 kg ha-1 de N em cobertura.Research, Society and Development2020-11-29info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://rsdjournal.org/index.php/rsd/article/view/940910.33448/rsd-v9i11.9409Research, Society and Development; Vol. 9 No. 11; e6779119409Research, Society and Development; Vol. 9 Núm. 11; e6779119409Research, Society and Development; v. 9 n. 11; e67791194092525-3409reponame:Research, Society and Developmentinstname:Universidade Federal de Itajubá (UNIFEI)instacron:UNIFEIenghttps://rsdjournal.org/index.php/rsd/article/view/9409/9228Copyright (c) 2020 Samuel Ferrari; Luis Fernando dos Santos Cordeiro; Luís Guilherme Delovo Carara; Vagner do Nascimento; Paulo Renato Matos Lopes; Evandro Pereira Prado; Ronaldo da Silva Vianahttps://creativecommons.org/licenses/by/4.0info:eu-repo/semantics/openAccessFerrari, Samuel Cordeiro, Luis Fernando dos Santos Carara, Luís Guilherme Delovo Nascimento, Vagner do Lopes, Paulo Renato Matos Prado, Evandro Pereira Viana, Ronaldo da Silva 2020-12-10T23:37:57Zoai:ojs.pkp.sfu.ca:article/9409Revistahttps://rsdjournal.org/index.php/rsd/indexPUBhttps://rsdjournal.org/index.php/rsd/oairsd.articles@gmail.com2525-34092525-3409opendoar:2024-01-17T09:31:41.970523Research, Society and Development - Universidade Federal de Itajubá (UNIFEI)false
dc.title.none.fl_str_mv Effect of Trinexapac-ethyl associated with nitrogen fertilization on upland rice nutritional status and grain yield
Efecto de Trinexapac-etil asociado con la fertilización con nitrógeno en el estado nutricional del arroz de secano y el rendimiento de grano
Efeito do Trinexapac-ethyl associado com adubação nitrogenada afeta o estado nutricional e a produtividade de arroz de terras altas
title Effect of Trinexapac-ethyl associated with nitrogen fertilization on upland rice nutritional status and grain yield
spellingShingle Effect of Trinexapac-ethyl associated with nitrogen fertilization on upland rice nutritional status and grain yield
Ferrari, Samuel
Oryza sativa L.
Nitrogen rates
Gibberellin
Growth regulator
Leaf diagnosis.
Oryza sativa L.
dosis de nitrógeno
giberelina
regulador de crecimiento
diagnóstico foliar
Oriza sativa L
Giberelina
Regulador de crescimento
Doses de nitrogênio
Diagnose foliar.
title_short Effect of Trinexapac-ethyl associated with nitrogen fertilization on upland rice nutritional status and grain yield
title_full Effect of Trinexapac-ethyl associated with nitrogen fertilization on upland rice nutritional status and grain yield
title_fullStr Effect of Trinexapac-ethyl associated with nitrogen fertilization on upland rice nutritional status and grain yield
title_full_unstemmed Effect of Trinexapac-ethyl associated with nitrogen fertilization on upland rice nutritional status and grain yield
title_sort Effect of Trinexapac-ethyl associated with nitrogen fertilization on upland rice nutritional status and grain yield
author Ferrari, Samuel
author_facet Ferrari, Samuel
Cordeiro, Luis Fernando dos Santos
Carara, Luís Guilherme Delovo
Nascimento, Vagner do
Lopes, Paulo Renato Matos
Prado, Evandro Pereira
Viana, Ronaldo da Silva
author_role author
author2 Cordeiro, Luis Fernando dos Santos
Carara, Luís Guilherme Delovo
Nascimento, Vagner do
Lopes, Paulo Renato Matos
Prado, Evandro Pereira
Viana, Ronaldo da Silva
author2_role author
author
author
author
author
author
dc.contributor.author.fl_str_mv Ferrari, Samuel
Cordeiro, Luis Fernando dos Santos
Carara, Luís Guilherme Delovo
Nascimento, Vagner do
Lopes, Paulo Renato Matos
Prado, Evandro Pereira
Viana, Ronaldo da Silva
dc.subject.por.fl_str_mv Oryza sativa L.
Nitrogen rates
Gibberellin
Growth regulator
Leaf diagnosis.
Oryza sativa L.
dosis de nitrógeno
giberelina
regulador de crecimiento
diagnóstico foliar
Oriza sativa L
Giberelina
Regulador de crescimento
Doses de nitrogênio
Diagnose foliar.
topic Oryza sativa L.
Nitrogen rates
Gibberellin
Growth regulator
Leaf diagnosis.
Oryza sativa L.
dosis de nitrógeno
giberelina
regulador de crecimiento
diagnóstico foliar
Oriza sativa L
Giberelina
Regulador de crescimento
Doses de nitrogênio
Diagnose foliar.
description Trinexapac-ethyl spraying time and proper nitrogen rate are essential to reduce plant height and lodging at harvest, without affecting rice yield and nutritional balance. This study aimed to evaluate trinexapac-ethyl spraying time and N contents as topdressing for upland rice paddies. The experiment was carried out in a randomized block design and a 4x5 factorial scheme, with four replications. Treatments consisted of four trinexapac-ethyl spraying times, in the phenological stages of tillering, floral differentiation, between tillering and floral differentiation, and a control (without spraying), and five nitrogen rates (0, 50, 100, 150, and 200, kg ha-1) as topdressing. As nitrogen topdressing rates increased, leaf contents of N, Fe++, and Zn++ increased, while S and Mn++ decreased; however, contents of P, Ca++, Mg++, B, and Cu++ were little influenced. When trinexapac-ethyl was applied, leaf contents of N, P, S, B, and Zn++ were little influenced, while P, Ca++, Mg++, Fe++, and Mn++ increased, and Cu++ decreased. Trinexapac-ethyl can be applied at tillering without decreasing rice yield. Upland rice increased grain yield by 58 and 46% in two consecutive crop years due to application of about 120 kg N ha-1 as topdressing.
publishDate 2020
dc.date.none.fl_str_mv 2020-11-29
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv https://rsdjournal.org/index.php/rsd/article/view/9409
10.33448/rsd-v9i11.9409
url https://rsdjournal.org/index.php/rsd/article/view/9409
identifier_str_mv 10.33448/rsd-v9i11.9409
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv https://rsdjournal.org/index.php/rsd/article/view/9409/9228
dc.rights.driver.fl_str_mv https://creativecommons.org/licenses/by/4.0
info:eu-repo/semantics/openAccess
rights_invalid_str_mv https://creativecommons.org/licenses/by/4.0
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Research, Society and Development
publisher.none.fl_str_mv Research, Society and Development
dc.source.none.fl_str_mv Research, Society and Development; Vol. 9 No. 11; e6779119409
Research, Society and Development; Vol. 9 Núm. 11; e6779119409
Research, Society and Development; v. 9 n. 11; e6779119409
2525-3409
reponame:Research, Society and Development
instname:Universidade Federal de Itajubá (UNIFEI)
instacron:UNIFEI
instname_str Universidade Federal de Itajubá (UNIFEI)
instacron_str UNIFEI
institution UNIFEI
reponame_str Research, Society and Development
collection Research, Society and Development
repository.name.fl_str_mv Research, Society and Development - Universidade Federal de Itajubá (UNIFEI)
repository.mail.fl_str_mv rsd.articles@gmail.com
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