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Título: Agronomic performance of RR® soybean cultivars using different pre-sowing desiccation periods and distinct post-emergence herbicides
Autor(es): Felisberto, Guilherme
Bruzi, Adriano Teodoro
Zuffo, Alan Mario
Zambiazzi, Everton Vinicius
Soares, Igor Oliveri
Rezende, Pedro Milanez de
Botelho, Flávia Barbosa Silva
Assunto: Soybean – Planting
Plants - Effect of herbicides
Glyphosate - Physiological effect
Soja – Plantio
Plantas - Efeito dos herbicidas
Glifosato - Efeito fisiológico
Glycine Max
Publicador: Academic Journals
Data de publicação: 12-Ago-2015
Referência: FELISBERTO, G. et al. Agronomic performance of RR® soybean cultivars using different pre-sowing desiccation periods and distinct post-emergence herbicides. African Journal of Agricultural Research, Nairobi, v.10, n. 34, p. 3445-3452, 20 Aug 2015.
Abstract: The current study aims to measure the effect of pre-sowing desiccation period and verify the influence of post-emergence herbicide on soybean agronomic traits and grain yield. The experiments were carried out according to a randomized complete block design with three replications during two crop seasons (2012/13 and 2013/14), using split plot design. Five soybean cultivars were used (BRS Favorita RR® , TMG 1179 RR® , TMG 1176 RR® , Anta 82 RR® , NS 7100 RR® ). Two desiccation periods were adopted 7 days before sowing and just before sowing. Two types of weed management were tested in postemergence - using glyphosate (Roundup Ready® ) and a soybean selective herbicide (Robust® ). During the 2013/2014 crop season, manual weeding was also used. The evaluated traits were plant height, first pod insertion, number of pods per plant and number of seeds per pod, 1,000-grain weight and grain yield. Considering the distinct post-emergence herbicides, there was no significant difference between glyphosate and Robust® . Nevertheless, the desiccation period showed significant differences in plant height, number of pods per plant and grain yield. The soybean grain yield was higher when desiccation was done 7 days before sowing. Therefore, an association between desiccation period and soybean performance was assumed.
URI: http://repositorio.ufla.br/jspui/handle/1/11547
Idioma: en_US
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