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| ZOBIOLE,L.H.S.; PEREIRA,V.G.C.; ALBRECHT,A.J.P.; RUBIN,R.S.; ADEGAS,F.S.; ALBRECHT,L.P.. |
| ABSTRACT: In Brazil, some populations of Conyza bonariensis and C. canadensis are glyphosate resistant and there are populations of C. sumatrensis (Sumatran fleabane) presenting multiple resistance to both glyphosate and chlorimuron. During the 2014/2015 and 2015/2016 seasons, growers reported failures to control Sumatran fleabane with paraquat. This study investigated the potential of paraquat resistant Sumatran fleabane populations in Paraná state, Brazil. Populations with suspected paraquat resistance were tested in the field in 2016 season. In 2017, seeds from these populations were collected, sown and grown in a greenhouse. Paraquat dose-response curve experiments were performed in Mogi Mirim, SP; Londrina, PR and Palotina, PR using doses of 0, 50,... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Control; Dose-response; PSI inhibitor. |
| Ano: 2019 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-83582019000100218 |
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| ZOBIOLE,L.H.S.; KRENCHINSKI,F.H.; PEREIRA,G.R.; RAMPAZZO,P.E.; RUBIN,R.S.; LUCIO,F.R.. |
| ABSTRACT: The goal of this study was to compare the efficacy of different weed management through a burndown application followed by sequential applications of herbicides to control Conyza spp. Thus, four field experiments were conducted, two in the western region of Paraná state (E1 and E2), one in Jataí, Goiás state (E3) and another one in Ibirubá, Rio Grande do Sul state (E4). Conyza spp. in this area had a height ranging between 25 and 60 cm. Treatments were arranged in a randomized block design with four replications. The primary herbicide treatments were 2,4-D + glyphosate + diclosulam, chlorimuron-ethyl + glyphosate + 2,4-D, and four doses of diclosulam + halauxifen-methyl + glyphosate. These treatments were applied singly or in sequential... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Horseweed control; Herbicide; Sequential application; Weed. |
| Ano: 2018 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-83582018000100275 |
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