Effects of clomazone formulations at the initial development of Jatropha curcas
Autor(a) principal: | |
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Data de Publicação: | 2015 |
Outros Autores: | , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Pesquisa Agropecuária Tropical (Online) |
Texto Completo: | https://revistas.ufg.br/pat/article/view/35699 |
Resumo: | Competition with weeds is one of the obstacles to achieve high yields in jatropha harvest. The chemical method is an alternative weed control due to its high efficiency, readiness and economy, when compared to other methods. However, products recommended for this crop are scarce. This study aimed at evaluating the effects of pre and post-emergence clomazone formulations at the initial development of jatropha. Two experiments were conducted under a randomized blocks design, in a 2 x 5 factorial arrangement, with four replications, consisting of the combination of two clomazone formulations (encapsulated suspension and emulsifiable concentrate) and five doses (0 g ha-1, 250 g ha-1, 500 g ha-1, 1,000 g ha-1 and 2,000 g ha-1). The dry matter of the plants was reduced both in the pre-emergence and post-emergence applications. Net photosynthesis was not affected by the application of clomazone in both formulations. The encapsulated suspension formulation is less phytotoxic than the emulsifiable concentrate formulation for pre and post-emergence applications. However, both formulations negatively affect the early development of jatropha plants. |
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Effects of clomazone formulations at the initial development of Jatropha curcasEfeitos de formulações de clomazone no desenvolvimento inicial de pinhão-mansoJatropha curcasphytotoxicityweedinhibitor of carotene.Jatropha curcasfitointoxicaçãoplanta daninhainibidor de caroteno.Competition with weeds is one of the obstacles to achieve high yields in jatropha harvest. The chemical method is an alternative weed control due to its high efficiency, readiness and economy, when compared to other methods. However, products recommended for this crop are scarce. This study aimed at evaluating the effects of pre and post-emergence clomazone formulations at the initial development of jatropha. Two experiments were conducted under a randomized blocks design, in a 2 x 5 factorial arrangement, with four replications, consisting of the combination of two clomazone formulations (encapsulated suspension and emulsifiable concentrate) and five doses (0 g ha-1, 250 g ha-1, 500 g ha-1, 1,000 g ha-1 and 2,000 g ha-1). The dry matter of the plants was reduced both in the pre-emergence and post-emergence applications. Net photosynthesis was not affected by the application of clomazone in both formulations. The encapsulated suspension formulation is less phytotoxic than the emulsifiable concentrate formulation for pre and post-emergence applications. However, both formulations negatively affect the early development of jatropha plants.A competição com plantas daninhas é um dos entraves para atingir altas produtividades, na colheita de pinhão-manso. O método químico é uma alternativa de controle de plantas daninhas, devido à alta eficiência, rapidez e economia, quando comparado aos demais métodos. Porém, há escassez de produtos recomendados para essa cultura. Objetivou-se avaliar os efeitos de formulações de clomazone aplicado em pré e pós-emergência, no desenvolvimento inicial de pinhão-manso. Dois experimentos foram conduzidos sob o delineamento de blocos casualizados, em arranjo fatorial 2 x 5, com 4 repetições, constituindo-se da combinação de duas formulações (suspensão de encapsulado e concentrado emulsionável) e cinco doses de clomazone (0 g ha-1, 250 g ha-1, 500 g ha-1, 1.000 g ha-1 e 2.000 g ha-1). A massa seca das plantas foi reduzida tanto na aplicação em pré-emergência quanto em pós-emergência. A fotossíntese líquida não foi afetada pela aplicação do clomazone em ambas as formulações. A formulação de suspensão de encapsulado é menos fitotóxica do que a de concentrado emulsionável, para as aplicações em pré e pós-emergência. Entretanto, ambas as formulações afetam negativamente o desenvolvimento inicial das plantas de pinhão-manso.Escola de Agronomia - Universidade Federal de Goiás2015-11-10info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionAvaliado por paresapplication/pdfhttps://revistas.ufg.br/pat/article/view/35699Pesquisa Agropecuária Tropical [Agricultural Research in the Tropics]; v. 45, n. 4, Oct./Dec. 2015; 364-369Pesquisa Agropecuária Tropical (Agricultural Research in the Tropics); v. 45, n. 4, out./dez. 2015; 364-369Pesquisa Agropecuária Tropical; v. 45, n. 4, out./dez. 2015; 364-3691983-4063reponame:Pesquisa Agropecuária Tropical (Online)instname:Universidade Federal de Goiás (UFG)instacron:UFGenghttps://revistas.ufg.br/pat/article/view/35699/19495Copyright (c) 2020 Pesquisa Agropecuária Tropical (Agricultural Research in the Tropics)info:eu-repo/semantics/openAccessBerté, Luiz NeriCosta, Neumárcio Vilanova daRamella, João Ricardo Pompermaier2020-07-13T16:31:23Zoai:ojs.revistas.ufg.br:article/35699Revistahttps://revistas.ufg.br/patPUBhttps://revistas.ufg.br/pat/oaiaseleguini.pat@gmail.com||mgoes@agro.ufg.br1983-40631517-6398opendoar:2024-05-21T19:56:09.127685Pesquisa Agropecuária Tropical (Online) - Universidade Federal de Goiás (UFG)true |
dc.title.none.fl_str_mv |
Effects of clomazone formulations at the initial development of Jatropha curcas Efeitos de formulações de clomazone no desenvolvimento inicial de pinhão-manso |
title |
Effects of clomazone formulations at the initial development of Jatropha curcas |
spellingShingle |
Effects of clomazone formulations at the initial development of Jatropha curcas Berté, Luiz Neri Jatropha curcas phytotoxicity weed inhibitor of carotene. Jatropha curcas fitointoxicação planta daninha inibidor de caroteno. |
title_short |
Effects of clomazone formulations at the initial development of Jatropha curcas |
title_full |
Effects of clomazone formulations at the initial development of Jatropha curcas |
title_fullStr |
Effects of clomazone formulations at the initial development of Jatropha curcas |
title_full_unstemmed |
Effects of clomazone formulations at the initial development of Jatropha curcas |
title_sort |
Effects of clomazone formulations at the initial development of Jatropha curcas |
author |
Berté, Luiz Neri |
author_facet |
Berté, Luiz Neri Costa, Neumárcio Vilanova da Ramella, João Ricardo Pompermaier |
author_role |
author |
author2 |
Costa, Neumárcio Vilanova da Ramella, João Ricardo Pompermaier |
author2_role |
author author |
dc.contributor.author.fl_str_mv |
Berté, Luiz Neri Costa, Neumárcio Vilanova da Ramella, João Ricardo Pompermaier |
dc.subject.por.fl_str_mv |
Jatropha curcas phytotoxicity weed inhibitor of carotene. Jatropha curcas fitointoxicação planta daninha inibidor de caroteno. |
topic |
Jatropha curcas phytotoxicity weed inhibitor of carotene. Jatropha curcas fitointoxicação planta daninha inibidor de caroteno. |
description |
Competition with weeds is one of the obstacles to achieve high yields in jatropha harvest. The chemical method is an alternative weed control due to its high efficiency, readiness and economy, when compared to other methods. However, products recommended for this crop are scarce. This study aimed at evaluating the effects of pre and post-emergence clomazone formulations at the initial development of jatropha. Two experiments were conducted under a randomized blocks design, in a 2 x 5 factorial arrangement, with four replications, consisting of the combination of two clomazone formulations (encapsulated suspension and emulsifiable concentrate) and five doses (0 g ha-1, 250 g ha-1, 500 g ha-1, 1,000 g ha-1 and 2,000 g ha-1). The dry matter of the plants was reduced both in the pre-emergence and post-emergence applications. Net photosynthesis was not affected by the application of clomazone in both formulations. The encapsulated suspension formulation is less phytotoxic than the emulsifiable concentrate formulation for pre and post-emergence applications. However, both formulations negatively affect the early development of jatropha plants. |
publishDate |
2015 |
dc.date.none.fl_str_mv |
2015-11-10 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Avaliado por pares |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
https://revistas.ufg.br/pat/article/view/35699 |
url |
https://revistas.ufg.br/pat/article/view/35699 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
https://revistas.ufg.br/pat/article/view/35699/19495 |
dc.rights.driver.fl_str_mv |
Copyright (c) 2020 Pesquisa Agropecuária Tropical (Agricultural Research in the Tropics) info:eu-repo/semantics/openAccess |
rights_invalid_str_mv |
Copyright (c) 2020 Pesquisa Agropecuária Tropical (Agricultural Research in the Tropics) |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf |
dc.publisher.none.fl_str_mv |
Escola de Agronomia - Universidade Federal de Goiás |
publisher.none.fl_str_mv |
Escola de Agronomia - Universidade Federal de Goiás |
dc.source.none.fl_str_mv |
Pesquisa Agropecuária Tropical [Agricultural Research in the Tropics]; v. 45, n. 4, Oct./Dec. 2015; 364-369 Pesquisa Agropecuária Tropical (Agricultural Research in the Tropics); v. 45, n. 4, out./dez. 2015; 364-369 Pesquisa Agropecuária Tropical; v. 45, n. 4, out./dez. 2015; 364-369 1983-4063 reponame:Pesquisa Agropecuária Tropical (Online) instname:Universidade Federal de Goiás (UFG) instacron:UFG |
instname_str |
Universidade Federal de Goiás (UFG) |
instacron_str |
UFG |
institution |
UFG |
reponame_str |
Pesquisa Agropecuária Tropical (Online) |
collection |
Pesquisa Agropecuária Tropical (Online) |
repository.name.fl_str_mv |
Pesquisa Agropecuária Tropical (Online) - Universidade Federal de Goiás (UFG) |
repository.mail.fl_str_mv |
aseleguini.pat@gmail.com||mgoes@agro.ufg.br |
_version_ |
1799874818953183232 |