Épocas de semeadura e aplicações de fungicida na soja: impacto sobre caracteres agronômicos e na produtividade final de grãos
Ano de defesa: | 2021 |
---|---|
Autor(a) principal: | |
Orientador(a): | |
Banca de defesa: | , |
Tipo de documento: | Dissertação |
Tipo de acesso: | Acesso aberto |
Idioma: | por |
Instituição de defesa: |
Universidade Federal de Santa Maria
UFSM Frederico Westphalen |
Programa de Pós-Graduação: |
Programa de Pós-Graduação em Agronomia - Agricultura e Ambiente
|
Departamento: |
Agronomia
|
País: |
Brasil
|
Palavras-chave em Português: | |
Palavras-chave em Inglês: | |
Área do conhecimento CNPq: | |
Link de acesso: | http://repositorio.ufsm.br/handle/1/22297 |
Resumo: | Environmental conditions by different sowing date influence soybean development in the morphology, architecture, and plant behavior besides disease incidence and chemical management. We aimed to estimate the plastochron, evaluate the morphological characteristics and the soybean crop productivity submitted to different sowing dates and a different number of fungicide applications. We carried out a field experiment with sowing dates (19/09/2019 - E1; 12/12/2019 - E2; 11/15/2019 - E3; 12/15/2019 - E4; e, 01/15/2020 - E5 ) where the treatments, constituted by the management of fungicides, were arranged randomly within the five blocks: an application in stage R1 (T1); two applications, one in the stage R1 and the other after 15 days (T2); three applications, one in the R1 stage and two applications, with intervals of 15 days between them (T3); four applications, one at the R1 stage and three at intervals around 15 days between them (T4); and, a control, without any application of fungicide (T5). Plastochron, the final number of nodes on the main stem, final plant height, total grain weight per plant, harvest index, crop cycle, the first vegetable insertion height, number of branches, number of vegetables per plant, were evaluated the number of grains per plant, thousand-seed weight, and final grain yield. Regardless of the sowing time, there was no effect on fungicide application on the variables evaluated and the final soybean grain yield. The sowing dates influenced the morphological characteristics and all plant variables evaluated as well as the final grain yield. Higher temperatures had lower plastochron values, where the sowing of 12/10 showed slower growth with larger plastochron values. The photoperiod influenced the number of nodes, in the final plants' height. The 11/15 sowing showed the tallest plants and the largest number of nodes. The soybean crop showed higher yields when sowing in the first half of October |
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2021-09-29T17:16:40Z2021-09-29T17:16:40Z2021-02-22http://repositorio.ufsm.br/handle/1/22297Environmental conditions by different sowing date influence soybean development in the morphology, architecture, and plant behavior besides disease incidence and chemical management. We aimed to estimate the plastochron, evaluate the morphological characteristics and the soybean crop productivity submitted to different sowing dates and a different number of fungicide applications. We carried out a field experiment with sowing dates (19/09/2019 - E1; 12/12/2019 - E2; 11/15/2019 - E3; 12/15/2019 - E4; e, 01/15/2020 - E5 ) where the treatments, constituted by the management of fungicides, were arranged randomly within the five blocks: an application in stage R1 (T1); two applications, one in the stage R1 and the other after 15 days (T2); three applications, one in the R1 stage and two applications, with intervals of 15 days between them (T3); four applications, one at the R1 stage and three at intervals around 15 days between them (T4); and, a control, without any application of fungicide (T5). Plastochron, the final number of nodes on the main stem, final plant height, total grain weight per plant, harvest index, crop cycle, the first vegetable insertion height, number of branches, number of vegetables per plant, were evaluated the number of grains per plant, thousand-seed weight, and final grain yield. Regardless of the sowing time, there was no effect on fungicide application on the variables evaluated and the final soybean grain yield. The sowing dates influenced the morphological characteristics and all plant variables evaluated as well as the final grain yield. Higher temperatures had lower plastochron values, where the sowing of 12/10 showed slower growth with larger plastochron values. The photoperiod influenced the number of nodes, in the final plants' height. The 11/15 sowing showed the tallest plants and the largest number of nodes. The soybean crop showed higher yields when sowing in the first half of OctoberAs condições ambientais impostas por diferentes épocas de semeadura exercem grande influência sobre o desenvolvimento da soja, com mudanças na morfologia, arquitetura e desempenho das plantas, além disso sobre a incidência de doenças e consequentemente no manejo químico. Assim, o objetivo deste trabalho foi estimar o plastocrono, avaliar as características morfológicas e a produtividade da cultura da soja submetida a diferentes épocas de semeadura e números de aplicação de fungicida. Foram desenvolvidos cinco experimentos com épocas de semeadura (19/09/2019 - E1; 12/10/2019 - E2; 16/11/2019 - E3; 12/12/2019 - E4; e, 15/01/2020 - E5) onde os tratamentos, constituídos dos manejos de fungicidas, foram dispostos de forma casualizada dentro dos cinco blocos: uma aplicação no estágio R1 (T1); duas aplicações, uma no estágio R1 e outra após 15 dias (T2); três aplicações, uma no estágio R1 e outras duas aplicações com intervalos aproximados de 15 dias entre elas (T3); quatro aplicações, uma no estágio R1 e outras três com intervalos aproximados de 15 dias entre elas (T4); e, uma testemunha, sem nenhuma aplicação de fungicida (T5). Foram avaliados o plastocrono, número final de nós na haste principal, altura final de planta, massa total de grãos por planta, índice de colheita, ciclo da cultura, altura de inserção do primeiro legume, número de ramificações, número de legumes por planta, número de grãos por planta, peso de mil grãos, e produtividade final de grãos. Independente da época de semeadura, não houve efeito da aplicação de fungicida nas variáveis avaliadas e na produtividade final de grãos da soja. As diferentes épocas de semeadura influenciaram as características morfológicas e todas a variáveis de plantas avaliadas, além da produtividade final de grãos. Menores valores de plastocrono foram encontrados quando as temperaturas médias do período foram maiores, onde a semeadura de 12/10 apresentou crescimento mais lento com maiores valores de plastocrono. O fotoperíodo influenciou no número final de nós, na altura final de plantas, sendo a semeadura de 15/11 a que apresentou plantas mais altas e com maior número de nós. A cultura da soja apresentou maiores produtividades na semeadura realizada na primeira quinzena de outubro.Coordenação de Aperfeiçoamento de Pessoal de Nível Superior - CAPESporUniversidade Federal de Santa MariaUFSM Frederico WestphalenPrograma de Pós-Graduação em Agronomia - Agricultura e AmbienteUFSMBrasilAgronomiaAttribution-NonCommercial-NoDerivatives 4.0 Internationalhttp://creativecommons.org/licenses/by-nc-nd/4.0/info:eu-repo/semantics/openAccessFerrugem asiática da sojaFenologiaDesenvolvimentoPlastocronoAsian soybean rustPhenologyPlant developmentPlastochronCNPQ::CIENCIAS AGRARIAS::AGRONOMIAÉpocas de semeadura e aplicações de fungicida na soja: impacto sobre caracteres agronômicos e na produtividade final de grãosSowing season and fungicide applications in soybean: impact on agronomic traits and final grain productivityinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/masterThesisBasso, Claudir Joséhttp://lattes.cnpq.br/6844653805754593Paula, Gizelli Moiano deCrusciol, Carlos Alexandre Costahttp://lattes.cnpq.br/4026123071533508Souza, Fernanda Marcolan de5001000000096006006006006d9e3078-88cb-470c-9146-4cffa46ef6267193abe8-d97a-448a-925f-0b7bdb55a03ffabc0cad-32be-4676-9258-f8ca938906120b190484-996b-44e6-b6b0-3e94a6a64b89reponame:Biblioteca Digital de Teses e Dissertações do UFSMinstname:Universidade Federal de Santa Maria (UFSM)instacron:UFSMORIGINALDIS_PPGAAA_2021_SOUZA_FERNANDA.pdfDIS_PPGAAA_2021_SOUZA_FERNANDA.pdfDissertação de Mestradoapplication/pdf1293185http://repositorio.ufsm.br/bitstream/1/22297/1/DIS_PPGAAA_2021_SOUZA_FERNANDA.pdf70970abf319cff40f1be9da266c36fd4MD51CC-LICENSElicense_rdflicense_rdfapplication/rdf+xml; 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dc.title.por.fl_str_mv |
Épocas de semeadura e aplicações de fungicida na soja: impacto sobre caracteres agronômicos e na produtividade final de grãos |
dc.title.alternative.eng.fl_str_mv |
Sowing season and fungicide applications in soybean: impact on agronomic traits and final grain productivity |
title |
Épocas de semeadura e aplicações de fungicida na soja: impacto sobre caracteres agronômicos e na produtividade final de grãos |
spellingShingle |
Épocas de semeadura e aplicações de fungicida na soja: impacto sobre caracteres agronômicos e na produtividade final de grãos Souza, Fernanda Marcolan de Ferrugem asiática da soja Fenologia Desenvolvimento Plastocrono Asian soybean rust Phenology Plant development Plastochron CNPQ::CIENCIAS AGRARIAS::AGRONOMIA |
title_short |
Épocas de semeadura e aplicações de fungicida na soja: impacto sobre caracteres agronômicos e na produtividade final de grãos |
title_full |
Épocas de semeadura e aplicações de fungicida na soja: impacto sobre caracteres agronômicos e na produtividade final de grãos |
title_fullStr |
Épocas de semeadura e aplicações de fungicida na soja: impacto sobre caracteres agronômicos e na produtividade final de grãos |
title_full_unstemmed |
Épocas de semeadura e aplicações de fungicida na soja: impacto sobre caracteres agronômicos e na produtividade final de grãos |
title_sort |
Épocas de semeadura e aplicações de fungicida na soja: impacto sobre caracteres agronômicos e na produtividade final de grãos |
author |
Souza, Fernanda Marcolan de |
author_facet |
Souza, Fernanda Marcolan de |
author_role |
author |
dc.contributor.advisor1.fl_str_mv |
Basso, Claudir José |
dc.contributor.advisor1Lattes.fl_str_mv |
http://lattes.cnpq.br/6844653805754593 |
dc.contributor.referee1.fl_str_mv |
Paula, Gizelli Moiano de |
dc.contributor.referee2.fl_str_mv |
Crusciol, Carlos Alexandre Costa |
dc.contributor.authorLattes.fl_str_mv |
http://lattes.cnpq.br/4026123071533508 |
dc.contributor.author.fl_str_mv |
Souza, Fernanda Marcolan de |
contributor_str_mv |
Basso, Claudir José Paula, Gizelli Moiano de Crusciol, Carlos Alexandre Costa |
dc.subject.por.fl_str_mv |
Ferrugem asiática da soja Fenologia Desenvolvimento Plastocrono |
topic |
Ferrugem asiática da soja Fenologia Desenvolvimento Plastocrono Asian soybean rust Phenology Plant development Plastochron CNPQ::CIENCIAS AGRARIAS::AGRONOMIA |
dc.subject.eng.fl_str_mv |
Asian soybean rust Phenology Plant development Plastochron |
dc.subject.cnpq.fl_str_mv |
CNPQ::CIENCIAS AGRARIAS::AGRONOMIA |
description |
Environmental conditions by different sowing date influence soybean development in the morphology, architecture, and plant behavior besides disease incidence and chemical management. We aimed to estimate the plastochron, evaluate the morphological characteristics and the soybean crop productivity submitted to different sowing dates and a different number of fungicide applications. We carried out a field experiment with sowing dates (19/09/2019 - E1; 12/12/2019 - E2; 11/15/2019 - E3; 12/15/2019 - E4; e, 01/15/2020 - E5 ) where the treatments, constituted by the management of fungicides, were arranged randomly within the five blocks: an application in stage R1 (T1); two applications, one in the stage R1 and the other after 15 days (T2); three applications, one in the R1 stage and two applications, with intervals of 15 days between them (T3); four applications, one at the R1 stage and three at intervals around 15 days between them (T4); and, a control, without any application of fungicide (T5). Plastochron, the final number of nodes on the main stem, final plant height, total grain weight per plant, harvest index, crop cycle, the first vegetable insertion height, number of branches, number of vegetables per plant, were evaluated the number of grains per plant, thousand-seed weight, and final grain yield. Regardless of the sowing time, there was no effect on fungicide application on the variables evaluated and the final soybean grain yield. The sowing dates influenced the morphological characteristics and all plant variables evaluated as well as the final grain yield. Higher temperatures had lower plastochron values, where the sowing of 12/10 showed slower growth with larger plastochron values. The photoperiod influenced the number of nodes, in the final plants' height. The 11/15 sowing showed the tallest plants and the largest number of nodes. The soybean crop showed higher yields when sowing in the first half of October |
publishDate |
2021 |
dc.date.accessioned.fl_str_mv |
2021-09-29T17:16:40Z |
dc.date.available.fl_str_mv |
2021-09-29T17:16:40Z |
dc.date.issued.fl_str_mv |
2021-02-22 |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/masterThesis |
format |
masterThesis |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://repositorio.ufsm.br/handle/1/22297 |
url |
http://repositorio.ufsm.br/handle/1/22297 |
dc.language.iso.fl_str_mv |
por |
language |
por |
dc.relation.cnpq.fl_str_mv |
500100000009 |
dc.relation.confidence.fl_str_mv |
600 600 600 600 |
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dc.rights.driver.fl_str_mv |
Attribution-NonCommercial-NoDerivatives 4.0 International http://creativecommons.org/licenses/by-nc-nd/4.0/ info:eu-repo/semantics/openAccess |
rights_invalid_str_mv |
Attribution-NonCommercial-NoDerivatives 4.0 International http://creativecommons.org/licenses/by-nc-nd/4.0/ |
eu_rights_str_mv |
openAccess |
dc.publisher.none.fl_str_mv |
Universidade Federal de Santa Maria UFSM Frederico Westphalen |
dc.publisher.program.fl_str_mv |
Programa de Pós-Graduação em Agronomia - Agricultura e Ambiente |
dc.publisher.initials.fl_str_mv |
UFSM |
dc.publisher.country.fl_str_mv |
Brasil |
dc.publisher.department.fl_str_mv |
Agronomia |
publisher.none.fl_str_mv |
Universidade Federal de Santa Maria UFSM Frederico Westphalen |
dc.source.none.fl_str_mv |
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