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APPLICATION HEIGHT IN HERBICIDES EFFICIENCY IN BEAN CROPS Planta Daninha
PEREIRA,G. A. M.; BARCELLOS JR,L. H.; SILVA,D. V.; BRAGA,R. R.; TEIXEIRA,M. M.; SILVA,A. A.; RIBEIRO JR,J.I..
ABSTRACTInadequate herbicide application can result in failures in weed control and/or poisoning of the crops, resulting in yield losses. In this research were assessed the effects of the sprayer nozzle boom height in the distribution of the spray solution for weed control, influencing intoxication of beans and crop yield. Experiments were conducted in laboratory and field conditions. In laboratory, the performance of flat spray tip TT 11002 was assessed at heights 0.20, 0.30, 0.40 and 0.50 meters with respect to the target surface. In the field the same heights were assessed in applications of herbicides fomesafen, fluazifop-P-butyl and fomesafen + fluazifop-P-butyl. There was an inverse relationship between the height of the spray boom and the...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Phaseolus vulgaris; Application technology; Mixture of herbicides.
Ano: 2015 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-83582015000300607
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Glyphosate and saflufenacil: elucidating their combined action on the control of glyphosate-resistant conyza bonariensis. Repositório Alice
PIASECKI, C.; CARVALHO, I. R.; AVILA, L. A.; AGOSTINETTO, D.; VARGAS, L..
Synergic efects of glyphosate and saflufenacil have been reported to control Conyza spp. However, the mechanism of this synergic combination is unknown. The objectives of this study were to investigate the efects of the combination of glyphosate and saflufenacil on the control and resistance status of glyphosate-resistant (GR) C. bonariensis, as well as on oxidative stress and lipidic peroxidation. Glyphosate-resistant and glyphosate-sensitive (GS) biotypes were treated with diferent rates of saflufenacil, glyphosate, and glyphosate combined with saflufenacil. The combination of glyphosate (1480 g ae haf1) and saflufenacil (f15 g haf1) presented the best control of GR plants compared with their individual efects. It also reduced the resistance factor from...
Tipo: Artigo de periódico Palavras-chave: Reactive oxygen species (ROS); SHikimic-acid; Lipidic peroxidation; Herbicide resistance management; Herbicide synergism; Mixture of herbicides; Oxidative stress.
Ano: 2020 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1129872
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