2018
DOI: 10.1590/s0100-83582018360100105
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Susceptibility of Perennial Tropical Forage Plants to Glyphosate Herbicide in Integrated Crop-Livestock Farming Systems

Abstract: The purpose of this study was to evaluate forage plant susceptibility in Urochloa ssp. and Megathyrsus maximus with two glyphosate herbicide doses, to increase the efficiency of integrated crop-livestock farming systems. A randomized block design was adopted, in a split-plot arrangement, with six replications. In the main plots, the following treatments were established: Urochloa ruziziensis, U. decumbens, U. brizantha cvs. Xaraés, BRS Piatã and BRS Paiaguás, Megathyrsus maximus cvs. Aruana and BRS Tamani; in … Show more

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Cited by 4 publications
(7 citation statements)
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References 17 publications
(30 reference statements)
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“…A supressão do perfilhamento de Urochloa ruziziensis já aos 5 DAA mostra um efeito mais rápido que o reportado por Costa et al 2013e Machado et al (2018) que observaram boa eficiência de glifosato na supressão de perfilhos desta forrageira apenas aos 14 DAA para plantas dessecadas para formação de palhada.…”
Section: Resultsunclassified
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“…A supressão do perfilhamento de Urochloa ruziziensis já aos 5 DAA mostra um efeito mais rápido que o reportado por Costa et al 2013e Machado et al (2018) que observaram boa eficiência de glifosato na supressão de perfilhos desta forrageira apenas aos 14 DAA para plantas dessecadas para formação de palhada.…”
Section: Resultsunclassified
“…A não redução do número de perfilhos, nesta avaliação, parece indicar a insuficiência das doses testadas para a supressão desta variável da forrageira, uma vez que o tempo decorrido da aplicação já teria proporcionado o intervalo ótimo para a ação do glifosato, conforme o relatado por Machado et al (2018) que observaram boa eficiência de glifosato na redução de perfilhos de Urochloa ruziziensis apenas aos 14 DAA para plantas dessecadas para formação de palhada.…”
Section: Daaunclassified
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“…L -1 of N-(phosphonomethyl) glycine, and nicosulfuron with 40 g a.i. L -1 , expressing the concentration of each product as usual in the literature (Cavalieri et al, 2008;Freitas et al, 2015;Silva et al, 2016;Silveira et al, 2017;Machado et al, 2018). Fertilization was carried out to meet the corn crop requirements with the application of 320 kg ha -1 of formulated fertilizer 5-25-15, which provided 16 kg of N 2 , 60 kg of P 2 O 5, and 48 kg of K 2 O, according to Vilela et al (2002).…”
Section: Methodsmentioning
confidence: 99%
“…More recently, there has been significant interest in the integration of corn with RR transgenic event associated with the species Urochloa ruziziensis, using the glyphosate herbicide in forage suppression as an alternative to the nicosulfuron herbicide (Silveira et al, 2017;São Miguel et al, 2018). This would combine a species with excellent characteristics such as forage and cover crops with a resistant crop to the herbicide that would allow active principle diversification, as well as good suppression of the forage for pasture or soil cover (Lima et al, 2014;Ceccon and Concenço, 2014;Jasper et al, 2015;Machado et al, 2018).…”
Section: Introductionmentioning
confidence: 99%