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dc.contributor.authorMACIEL, C. D. G.
dc.contributor.authorLUSTOSA, S. B. C.
dc.contributor.authorCOSTA, A. G. F.
dc.contributor.authorRIBEIRO, R. B.
dc.contributor.authorMATIAS, J. P.
dc.date.accessioned2017-12-23T23:18:35Z-
dc.date.available2017-12-23T23:18:35Z-
dc.date.created2017-12-21
dc.date.issued2017
dc.identifier.citationPlanta daninha, v. 35, e017165959, 2017.
dc.identifier.urihttp://www.alice.cnptia.embrapa.br/alice/handle/doc/1083281-
dc.descriptionCastorbean 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).
dc.language.isoengeng
dc.rightsopenAccesseng
dc.subjectIntoxicationpt_BR
dc.titleSelectivity of Chlorimuron-Ethyl to Castorbean Crops.
dc.typeArtigo de periódico
dc.date.updated2017-12-23T23:18:35Zpt_BR
dc.subject.thesagroRicinus communis
dc.subject.thesagroMamona
dc.subject.thesagroIntoxicação
dc.subject.thesagroHerbicida
dc.subject.nalthesaurusCrops
dc.subject.nalthesaurusHerbicides
dc.description.notesPublicação online.
riaa.ainfo.id1083281
riaa.ainfo.lastupdate2017-12-21
dc.identifier.doi10.1590/S0100-83582017350100077
dc.contributor.institutionC.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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