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Tolerance of dry bean cultivars to saflufenacil Ciência e Agrotecnologia
Diesel,Francielli; Trezzi,Michelangelo Muzell; Oliveira,Paulo Henrique; Xavier,Elouize; Pazuch,Daiana; Pagnoncelli Junior,Fortunato.
The herbicide saflufenacil is a Protox inhibitor, with differential translocation mode in comparison to other herbicides with the same mechanism of action. Selectivity, efficacy and safety to the environment are important characteristics for practical application of a herbicide in agriculture. The aim of this study was to determine the tolerance of ten dry bean cultivars to saflufenacil, applied on preemergence. The experiment was conducted in split plot randomized blocks design with ten dry bean cultivars (IAPAR 81; IPR Tiziu, IPR Corujinha; BRS Estilo; BRS Talismã; BRS Esplendor; BRS Campeiro; BRS Radiante, BRS Vereda and Jalo Precoce) allocated in plots and saflufenacil concentrations (0, 14.7 and 29.4 g ha- 1) in subplots. Evaluations were performed at...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Selectivity; Protox inhibitor; Phaseolus vulgaris.
Ano: 2014 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-70542014000400005
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SELECTIVITY OF FOMESAFEN TO COTTON Planta Daninha
OLIVEIRA NETO,A.M.; CONSTANTIN,J.; OLIVEIRA JR.,R.S.; BARROSO,A.L.L.; BRAZ,G.B.P.; GUERRA,N.; GHENO,E.A..
ABSTRACT The aim of this work was to evaluate the selectivity of fomesafen alone or in a tank mixture with other preemergent herbicides, with or without S-metolachlor application in early postemergence in cotton plant, cultivar DP 555 BG RR(r). The design utilized was a randomized complete block, organized in a split-plot arrangement, with four replications. For that, 24 herbicides were evaluated with fomesafen (0.45 and 0.625 kg ha-1), prometryn (1.25 kg ha-1), diuron (1.25 kg ha-1), trifluralin (1.8 kg ha-1), and S-metolachlor (0.77 kg ha-1), applied as preemergent, with or without S-metolachlor (0.77 kg ha-1) applied in early postemergence. The variables evaluated were: phytotoxicity, insertion height of the first reproductive branch, plant height,...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Chemical control; Protox inhibitor; Tank mixture; Preemergence.
Ano: 2015 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-83582015000400759
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Application of Sulfentrazone in Stages of Germination of IAC 90 Cassava Cuttings in Clay Soils and Sandy Planta Daninha
Zimmer,J.S.; Ferreira,S.D.; Ramella,J.R.; Rodrigues-Costa,A.C.P.; Costa,N.V..
Weeds interfere dramatically in the productive potential of cassava; however, information regarding herbicides that are selective to crops is still scarce. Thus, the aim in this study was to assess the initial growth of IAC 90 cassava plants after the application of sulfentrazone at different stages of germination of cassava in clayey and sandy soils. Three experiments were simultaneously deployed: the first experiment consisted in the application of sulfentrazone in the non-germinated stage of cassava cuttings; the second one in the stage of germinated cassavas cuttings (0.9 cm shoots); and the third one in applications in the stage of cassava cuttings with buds emerging (6.5 cm shoots and emerging from the soil). For each experiment the experimental...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Herbicide; Manihot esculenta; Protox inhibitor; Selectivity.
Ano: 2015 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-83582015000200305
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Temporal selectivity of saflufenacil herbicide for the common bean crop of a brazilian oxisol Agronomy
Diesel, Francielli; Trezzi, Michelangelo Muzell; Rosin, Devair; Barancelli, Marcos Vinicius Jaeger; Batistel, Sorhaila Camila; Pagnoncelli, Fortunato De Bortoli.
The temporal selectivity of an herbicide refers to the time interval required between its soil application and crop sowing to prevent damage to crop development and reproduction. Using field bioassays, this study aimed to determine the temporal sensitivity of the herbicide saflufenacil when used with a crop. The study was conducted in two time periods during 2011/2012 and 2012/2013 and employed a split-plot, randomized block experimental design. The main plots were assigned to seven time intervals between herbicide application and bean sowing (0, 5, 10, 15, 25, 35, and 50 days), and the subplots were assigned to groups in which saflufenacil was absent or present (0 and 29.4 g ai ha-1). We determined the stand and the plant height at 7, 14, and 21 days...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Agronomia Produção Vegetal persistence; Protox inhibitor; Phaseolus vulgaris; Phytotoxicity. persistência de herbicida no solo.
Ano: 2016 URL: http://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/30758
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