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dc.contributor.authorCARATTIA, F. C.
dc.contributor.authorZACCARO-GRUENERB, M. L.
dc.contributor.authorNOGUERA, M. M.
dc.contributor.authorAVILA, L. A. de
dc.contributor.authorROMA-BURGOS, N.
dc.contributor.authorLAMEGO, F. P.
dc.date.accessioned2022-11-29T18:01:20Z-
dc.date.available2022-11-29T18:01:20Z-
dc.date.created2022-11-29
dc.date.issued2022
dc.identifier.citationAdvances in Weed Science, v. 40, e020220025, 2022.
dc.identifier.urihttp://www.alice.cnptia.embrapa.br/alice/handle/doc/1148924-
dc.descriptionAbstract: Background: Glyphosate is the most effective herbicide to control the invasive and perennial Eragrostis plana in Southern Brazil. However, one application has not been sufficient to prevent the regrowth of plants. Objective: The aim of this research was to evaluate the efficacy of glyphosate sprayed alone or mixed with fluazifop-p-butyl or flumioxazin on E. plana control and to investigate 14C-glyphosate absorption and translocation. Methods: Plants with 2-3 tillers were treated with glyphosate (700 g a.e. ha- 1), fluazifop-p-butyl (47 g a.i. ha-1), flumioxazin (100 g a.i. ha-1), glyphosate + fluazifop-p-butyl (700 g a.e. ha-1 + 47g a.i. ha-1), glyphosate + flumioxazin (700 g a.e. ha-1 +100 g a.i. ha-1). Weed control was evaluated visually for 28 d after treatment (DAT) when plants were harvested for shoot dry biomass determination. 14C-glyphosate absorption and translocation were measured at 24 and 72 h after treatment. Results: Glyphosate at 700 g a.e. ha-1 controlled E. plana plants at 2-3 tillers. The mixture with fluazifop-p-butyl or flumizin did not significantly increase the level of control (87 and 86% at 7 DAT, respectively) but increased 14C-glyphosate translocation to the roots. Conclusions: Glyphosate is effective on E. plana. However, applied with fluazifop-p-butyl could improve the control of this weed, especially when perennial plants of E. plana dominate the field, preventing their fast regrowth. Keywords: 14C-glyphosate; fluazifop-p-butyl; forage grass; invasive plant; tough lovegrass
dc.language.isoeng
dc.rightsopenAccess
dc.titleGlyphosate efficacy, absorption and translocation for Eragrostis plana control.
dc.typeArtigo de periódico
dc.subject.thesagroControle Químico
dc.subject.thesagroDefensivo
dc.subject.thesagroErva Daninha
dc.subject.thesagroCapim Annoni
dc.subject.nalthesaurusInvasive species
dc.subject.nalthesaurusGlyphosate
dc.subject.nalthesaurusFluazifop-P
riaa.ainfo.id1148924
riaa.ainfo.lastupdate2022-11-29
dc.identifier.doihttps://doi.org/10.51694/AdvWeedSci/2022;40:00017
dc.contributor.institutionFERNANDA C. CARATTIA, Federal University of Pelotas; MARIA LETICIA ZACCARO-GRUENERB, University of Arkansas; MATHEUS M. NOGUERA, University of Arkansas; LUIS ANTONIO DE AVILA, Federal University of Pelotas; NILDA ROMA-BURGOS, University of Arkansas; FABIANE PINTO LAMEGO, CPPSUL.
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