Sugarcane cultivars present differential susceptibility to herbicides ametryn and trifloxysulfuron-sodium.

Detalhes bibliográficos
Autor(a) principal: SILVA, A. F. da
Data de Publicação: 2014
Outros Autores: GALON, L., CONCENCO, G., ASPIAZÚ, I., FERREIRA, E. A., TIRONI, S. P., SILVA, A. A. da
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Institucional da EMBRAPA (Repository Open Access to Scientific Information from EMBRAPA - Alice)
Texto Completo: http://www.alice.cnptia.embrapa.br/alice/handle/doc/989153
Resumo: Weed management in Brazilian sugarcane fields is accomplished mainly with herbicides. These chemical products may negatively impact sugarcane growth and development. Therefore, we aimed this study to evaluate the influence of the selective herbicides ametryn, trifloxysulfurom-sodium and its commercially available mixture on the growth of sugarcane cultivars. The experiment was conducted under greenhouse condition in a completely randomized design, using a 3×3×4 factorial scheme with four replications. Factor A comprised sugarcane cultivars (SP80-1816, RB855113 and RB867515); factor B herbicides ametryn (Metrimex®), trifloxysulfuron-sodium (Envoke®) and its mixture (Krismat®), and factor C the doses (0.0, 0.5x, 1.0x and 3.0x the label dose), where 1.0x dose= 2,000gha-1 for ametryn; 22.5gha-1 for trifloxysulfuron-sodium and 1, 463+37.0gha-1 for the mixture. Crop toxicity was assessed 28 days after herbicide application and traits such as plant height, number of leaves per plant, stalk diameter, leaf area index, specific leaf area and crop growth rate were assessed 80 days after crop emergence. The results showed that trifloxysulfuron-sodium causes lower impact on all variables; therefore, being more selective to all cultivars. The label dose (1.0x), equivalent to 2,000 gha-1 of ametryn and 22.5 gha-1 of trifloxysulfuron- sodium is considered as a threshold between deficient weed control (in lower doses) and excessive crop toxicity (in higher doses). RB867515 and RB855113, respectively, were the most and least tolerant cultivars to both herbicides. In highly infested planting fields, farmers usually prefer to grow the most tolerant sugarcane cultivar when applying ametryn or trifloxysulfurom sodium.
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spelling Sugarcane cultivars present differential susceptibility to herbicides ametryn and trifloxysulfuron-sodium.IntoxicaçãoHerbicidaCana de açúcarTrifloxysulfuronSaccharumHerbicidesWeed management in Brazilian sugarcane fields is accomplished mainly with herbicides. These chemical products may negatively impact sugarcane growth and development. Therefore, we aimed this study to evaluate the influence of the selective herbicides ametryn, trifloxysulfurom-sodium and its commercially available mixture on the growth of sugarcane cultivars. The experiment was conducted under greenhouse condition in a completely randomized design, using a 3×3×4 factorial scheme with four replications. Factor A comprised sugarcane cultivars (SP80-1816, RB855113 and RB867515); factor B herbicides ametryn (Metrimex®), trifloxysulfuron-sodium (Envoke®) and its mixture (Krismat®), and factor C the doses (0.0, 0.5x, 1.0x and 3.0x the label dose), where 1.0x dose= 2,000gha-1 for ametryn; 22.5gha-1 for trifloxysulfuron-sodium and 1, 463+37.0gha-1 for the mixture. Crop toxicity was assessed 28 days after herbicide application and traits such as plant height, number of leaves per plant, stalk diameter, leaf area index, specific leaf area and crop growth rate were assessed 80 days after crop emergence. The results showed that trifloxysulfuron-sodium causes lower impact on all variables; therefore, being more selective to all cultivars. The label dose (1.0x), equivalent to 2,000 gha-1 of ametryn and 22.5 gha-1 of trifloxysulfuron- sodium is considered as a threshold between deficient weed control (in lower doses) and excessive crop toxicity (in higher doses). RB867515 and RB855113, respectively, were the most and least tolerant cultivars to both herbicides. In highly infested planting fields, farmers usually prefer to grow the most tolerant sugarcane cultivar when applying ametryn or trifloxysulfurom sodium.ALEXANDRE FERREIRA DA SILVA, CNPMS; GERMANI CONCENCO, CPAO.SILVA, A. F. daGALON, L.CONCENCO, G.ASPIAZÚ, I.FERREIRA, E. A.TIRONI, S. P.SILVA, A. A. da2017-06-06T23:53:09Z2017-06-06T23:53:09Z2014-06-2720142017-06-06T23:53:09Zinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleAustralian Journal of Crop Science, v. 8, n. 6, p. 965-976, 2014.http://www.alice.cnptia.embrapa.br/alice/handle/doc/989153enginfo:eu-repo/semantics/openAccessreponame:Repositório Institucional da EMBRAPA (Repository Open Access to Scientific Information from EMBRAPA - Alice)instname:Empresa Brasileira de Pesquisa Agropecuária (Embrapa)instacron:EMBRAPA2017-08-16T04:30:52Zoai:www.alice.cnptia.embrapa.br:doc/989153Repositório InstitucionalPUBhttps://www.alice.cnptia.embrapa.br/oai/requestopendoar:21542017-08-16T04:30:52falseRepositório InstitucionalPUBhttps://www.alice.cnptia.embrapa.br/oai/requestcg-riaa@embrapa.bropendoar:21542017-08-16T04:30:52Repositório Institucional da EMBRAPA (Repository Open Access to Scientific Information from EMBRAPA - Alice) - Empresa Brasileira de Pesquisa Agropecuária (Embrapa)false
dc.title.none.fl_str_mv Sugarcane cultivars present differential susceptibility to herbicides ametryn and trifloxysulfuron-sodium.
title Sugarcane cultivars present differential susceptibility to herbicides ametryn and trifloxysulfuron-sodium.
spellingShingle Sugarcane cultivars present differential susceptibility to herbicides ametryn and trifloxysulfuron-sodium.
SILVA, A. F. da
Intoxicação
Herbicida
Cana de açúcar
Trifloxysulfuron
Saccharum
Herbicides
title_short Sugarcane cultivars present differential susceptibility to herbicides ametryn and trifloxysulfuron-sodium.
title_full Sugarcane cultivars present differential susceptibility to herbicides ametryn and trifloxysulfuron-sodium.
title_fullStr Sugarcane cultivars present differential susceptibility to herbicides ametryn and trifloxysulfuron-sodium.
title_full_unstemmed Sugarcane cultivars present differential susceptibility to herbicides ametryn and trifloxysulfuron-sodium.
title_sort Sugarcane cultivars present differential susceptibility to herbicides ametryn and trifloxysulfuron-sodium.
author SILVA, A. F. da
author_facet SILVA, A. F. da
GALON, L.
CONCENCO, G.
ASPIAZÚ, I.
FERREIRA, E. A.
TIRONI, S. P.
SILVA, A. A. da
author_role author
author2 GALON, L.
CONCENCO, G.
ASPIAZÚ, I.
FERREIRA, E. A.
TIRONI, S. P.
SILVA, A. A. da
author2_role author
author
author
author
author
author
dc.contributor.none.fl_str_mv ALEXANDRE FERREIRA DA SILVA, CNPMS; GERMANI CONCENCO, CPAO.
dc.contributor.author.fl_str_mv SILVA, A. F. da
GALON, L.
CONCENCO, G.
ASPIAZÚ, I.
FERREIRA, E. A.
TIRONI, S. P.
SILVA, A. A. da
dc.subject.por.fl_str_mv Intoxicação
Herbicida
Cana de açúcar
Trifloxysulfuron
Saccharum
Herbicides
topic Intoxicação
Herbicida
Cana de açúcar
Trifloxysulfuron
Saccharum
Herbicides
description Weed management in Brazilian sugarcane fields is accomplished mainly with herbicides. These chemical products may negatively impact sugarcane growth and development. Therefore, we aimed this study to evaluate the influence of the selective herbicides ametryn, trifloxysulfurom-sodium and its commercially available mixture on the growth of sugarcane cultivars. The experiment was conducted under greenhouse condition in a completely randomized design, using a 3×3×4 factorial scheme with four replications. Factor A comprised sugarcane cultivars (SP80-1816, RB855113 and RB867515); factor B herbicides ametryn (Metrimex®), trifloxysulfuron-sodium (Envoke®) and its mixture (Krismat®), and factor C the doses (0.0, 0.5x, 1.0x and 3.0x the label dose), where 1.0x dose= 2,000gha-1 for ametryn; 22.5gha-1 for trifloxysulfuron-sodium and 1, 463+37.0gha-1 for the mixture. Crop toxicity was assessed 28 days after herbicide application and traits such as plant height, number of leaves per plant, stalk diameter, leaf area index, specific leaf area and crop growth rate were assessed 80 days after crop emergence. The results showed that trifloxysulfuron-sodium causes lower impact on all variables; therefore, being more selective to all cultivars. The label dose (1.0x), equivalent to 2,000 gha-1 of ametryn and 22.5 gha-1 of trifloxysulfuron- sodium is considered as a threshold between deficient weed control (in lower doses) and excessive crop toxicity (in higher doses). RB867515 and RB855113, respectively, were the most and least tolerant cultivars to both herbicides. In highly infested planting fields, farmers usually prefer to grow the most tolerant sugarcane cultivar when applying ametryn or trifloxysulfurom sodium.
publishDate 2014
dc.date.none.fl_str_mv 2014-06-27
2014
2017-06-06T23:53:09Z
2017-06-06T23:53:09Z
2017-06-06T23:53:09Z
dc.type.driver.fl_str_mv info:eu-repo/semantics/publishedVersion
info:eu-repo/semantics/article
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv Australian Journal of Crop Science, v. 8, n. 6, p. 965-976, 2014.
http://www.alice.cnptia.embrapa.br/alice/handle/doc/989153
identifier_str_mv Australian Journal of Crop Science, v. 8, n. 6, p. 965-976, 2014.
url http://www.alice.cnptia.embrapa.br/alice/handle/doc/989153
dc.language.iso.fl_str_mv eng
language eng
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.source.none.fl_str_mv reponame:Repositório Institucional da EMBRAPA (Repository Open Access to Scientific Information from EMBRAPA - Alice)
instname:Empresa Brasileira de Pesquisa Agropecuária (Embrapa)
instacron:EMBRAPA
instname_str Empresa Brasileira de Pesquisa Agropecuária (Embrapa)
instacron_str EMBRAPA
institution EMBRAPA
reponame_str Repositório Institucional da EMBRAPA (Repository Open Access to Scientific Information from EMBRAPA - Alice)
collection Repositório Institucional da EMBRAPA (Repository Open Access to Scientific Information from EMBRAPA - Alice)
repository.name.fl_str_mv Repositório Institucional da EMBRAPA (Repository Open Access to Scientific Information from EMBRAPA - Alice) - Empresa Brasileira de Pesquisa Agropecuária (Embrapa)
repository.mail.fl_str_mv cg-riaa@embrapa.br
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