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Registro Completo |
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Biblioteca(s): |
Embrapa Algodão. |
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Data corrente: |
21/12/2017 |
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Data da última atualização: |
21/12/2017 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
MACIEL, C. D. G.; LUSTOSA, S. B. C.; COSTA, A. G. F.; RIBEIRO, R. B.; MATIAS, J. P. |
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Afiliação: |
C.D.G. MACIEL, UNICENTRO - GUARAPUAVA; S. B. C. LUSTOSA, UNICENTRO- GUARAPUAVA; AUGUSTO GUERREIRO FONTOURA COSTA, CNPA; R. B. RIBEIRO, ESCOLA SUPERIOR DE AGRONOMIA DE PARAGUAÇU PAULISTA; J. P. MATIAS, UNIVERSIDADE ESTADUAL DE MARINGÁ, PAG/UEM. |
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Título: |
Selectivity of Chlorimuron-Ethyl to Castorbean Crops. |
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Ano de publicação: |
2017 |
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Fonte/Imprenta: |
Planta daninha, v. 35, e017165959, 2017. |
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DOI: |
10.1590/S0100-83582017350100077 |
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Idioma: |
Inglês |
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Notas: |
Publicação online. |
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Conteúdo: |
Castorbean presents high sensitivity to competition; therefore, it is necessary to develop alternatives for the weed management, mainly for the chemical control of eudicotyledons species. The goal of this work was to evaluate the selectivity of chlorimuron-ethyl to castorbean crops in different development stages. Four experiments differentiated by the genetic material were conducted: Lyra, Íris and Savana hybrids and AL Guarany 2002 cultivar. The treatments corresponded to the application conditions of chlorimuron-ethyl [sample control with no application, doses of 15 e 20 g a.i. ha-1 with the formulations Classic? and Clorimuron Master Nortox?] in two phenological crop stages (4 to 5 and 7 to 8 true leaf stages). The experimental design was in randomized blocks with four replications, in a factorial scheme of 5 x 2 (herbicide and application stage). The intoxication was more severe for the 7 to 8 leaf stage and with the dose of 20 g ha-1 on day 7 days after application (DAA); there were plant recovery and mild symptoms on day 21 DAA, especially for the 4 to 5 leaf stage. The yield was reduced with the 20 g ha-1 dose for Lyra hybrid with both formulations and for Savana castorbean, only with the Classic? formulation. The chlorimuron-ethyl herbicide, at 15 g ha-1, showed selectivity to castorbean, regardless of the stage application (4 to 5 or 7 to 8 leaves). |
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Palavras-Chave: |
Intoxication. |
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Thesagro: |
Herbicida; Intoxicação; Mamona; Ricinus communis. |
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Thesaurus Nal: |
Crops; Herbicides. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/169616/1/Selectivity-of-....pdf
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Marc: |
LEADER 02132naa a2200277 a 4500
001 2083281
005 2017-12-21
008 2017 bl uuuu u00u1 u #d
024 7 $a10.1590/S0100-83582017350100077$2DOI
100 1 $aMACIEL, C. D. G.
245 $aSelectivity of Chlorimuron-Ethyl to Castorbean Crops.$h[electronic resource]
260 $c2017
500 $aPublicação online.
520 $aCastorbean presents high sensitivity to competition; therefore, it is necessary to develop alternatives for the weed management, mainly for the chemical control of eudicotyledons species. The goal of this work was to evaluate the selectivity of chlorimuron-ethyl to castorbean crops in different development stages. Four experiments differentiated by the genetic material were conducted: Lyra, Íris and Savana hybrids and AL Guarany 2002 cultivar. The treatments corresponded to the application conditions of chlorimuron-ethyl [sample control with no application, doses of 15 e 20 g a.i. ha-1 with the formulations Classic? and Clorimuron Master Nortox?] in two phenological crop stages (4 to 5 and 7 to 8 true leaf stages). The experimental design was in randomized blocks with four replications, in a factorial scheme of 5 x 2 (herbicide and application stage). The intoxication was more severe for the 7 to 8 leaf stage and with the dose of 20 g ha-1 on day 7 days after application (DAA); there were plant recovery and mild symptoms on day 21 DAA, especially for the 4 to 5 leaf stage. The yield was reduced with the 20 g ha-1 dose for Lyra hybrid with both formulations and for Savana castorbean, only with the Classic? formulation. The chlorimuron-ethyl herbicide, at 15 g ha-1, showed selectivity to castorbean, regardless of the stage application (4 to 5 or 7 to 8 leaves).
650 $aCrops
650 $aHerbicides
650 $aHerbicida
650 $aIntoxicação
650 $aMamona
650 $aRicinus communis
653 $aIntoxication
700 1 $aLUSTOSA, S. B. C.
700 1 $aCOSTA, A. G. F.
700 1 $aRIBEIRO, R. B.
700 1 $aMATIAS, J. P.
773 $tPlanta daninha$gv. 35, e017165959, 2017.
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Embrapa Algodão (CNPA) |
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