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| RAIMONDI,M.A.; OLIVEIRA J.R.,R.S.; CONSTANTIN,J.; RIOS,F.A.; GEMELLI,A.; RAIMONDI,R.T.. |
| Greenhouse studies were conducted in 2008-2009 with the objective of adjusting dose-response curves of the main soil-applied herbicides currently used in cotton for the control of Amaranthus viridis, A. hybridus, A. spinosus, A. lividus, as well as comparing susceptibility among different species, using the identity test models. Thirty six individual experiments were simultaneously carried out in greenhouse, in a sandy clay loam soil (21% clay, 2.36% OM) combining increasing doses of the herbicides alachlor, clomazone, diuron, oxyfluorfen, pendimethalin, prometryn, S-metolachlor, and trifluralin applied to each species. Dose-response curves were adjusted for visual weed control at 28 days after herbicide application and doses required for 80% (C80) and 95%... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Cotton; Dose-response curve; Pigweed; Tolerance. |
| Ano: 2015 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-83582015000100137 |
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| GUERRA,N.; OLIVEIRA JÚNIOR,R.S.; CONSTANTIN,J.; OLIVEIRA NETO,A.M.; GEMELLI,A.; PEREIRA JÚNIOR,D.M.; GUERRA,A.. |
| ABSTRACT Herbicides aminocyclopyrachlor and indaziflam are under development in Brazil. Information about the behaviors in Brazilian soils and climate is scarce. Thus, the present work has aimed to evaluate the persistence of biological activity and leaching potential of aminocyclopyrachlor and indaziflam in contrasting textured soils by means of bioassays. For the evaluation of persistence, four experiments were performed, in which soils with different textures were studied in different time periods between herbicide application and bioindicator sowing (beet and soybeans). To determine leaching potential, three blades of rainfall (0, 30 and 60 mm) were simulated, each constituting a single experiment in soils with different textures and five bands of... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Residual activity; Bioassay; Organic matter. |
| Ano: 2016 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-83582016000200345 |
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