2014
DOI: 10.7824/rbh.v13i1.265
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Tolerância de duas variedades de algodoeiro a herbicidas aplicados em pré-emergência

Abstract: Resumo -Este trabalho teve por objetivo avaliar a seletividade de herbicidas aplicados em pré-emergência, isolados ou em misturas, para as variedades Delta-Opal e FMT-701. Os tratamentos avaliados foram: alachlor, S-metolachlor, diuron (em duas doses), prometryn (em duas doses), oxyfluorfen, alachlor + diuron, alachlor + prometryn (em duas doses da mistura), S-metolachlor + diuron, S-metolachlor + prometryn (em duas doses da mistura), oxyfluorfen + diuron, oxyfluorfen + prometryn. Foram realizadas avaliações r… Show more

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Cited by 2 publications
(4 citation statements)
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“…This arrangement is advantageous in selectivity experiments that evaluate a large number of treatments, for it effectively minimizes the variability of the experimental area, contributing to minimizing experimental errors, which leads to accurate results and recommendations on the selectivity of the products evaluated. The effectiveness of this method was confirmed by Fagliari et al (2001), Dan et al (2011) and Arantes et al (2014).…”
Section: Methodsmentioning
confidence: 73%
See 1 more Smart Citation
“…This arrangement is advantageous in selectivity experiments that evaluate a large number of treatments, for it effectively minimizes the variability of the experimental area, contributing to minimizing experimental errors, which leads to accurate results and recommendations on the selectivity of the products evaluated. The effectiveness of this method was confirmed by Fagliari et al (2001), Dan et al (2011) and Arantes et al (2014).…”
Section: Methodsmentioning
confidence: 73%
“…Chemical weed control with herbicide use is common practice in world agriculture (Beltrão, 2004), and the trend is to increase the use of these compounds, since this technology, which used to be almost exclusively used by large and medium-sized farms, today is also adopted by small farms (Arantes et al, 2014). This is due mainly to chemical control efficiency, its attractive cost and less need for labor, and the fact that it be readily available for use (Guimarães et al, 2007).…”
Section: Introductionmentioning
confidence: 99%
“…Yazbek Júnior e Foloni (2004) relataram sensibilidade diferencial entre cultivares de algodoeiro submetidas à aplicação de herbicidas em préemergência, em que a cultivar Delta Opal mostrou-se mais sensível ao clomazone que as cultivares FM 966, Makina e IAC 24. Arantes et al (2014) conduziram uma série de experimentos em condições de campo e concluiram que, dentre as cultivares avaliadas, a FMT 701 foi a mais sensível aos tratamentos herbicidas utilizados.…”
Section: % Fitointoxicação % Fitointoxicaçãounclassified
“…As opções de herbicidas seletivos para a cultura do algodoeiro são limitadas, o que leva os cotonicultores a utilizarem produtos que não são totalmente seletivos, com risco de causar danos à cultura ou obter controle deficiente das plantas daninhas pelo uso de subdoses (GUIMARÃES et al, 2007). Para Arantes et al (2014), a limitada disponibilidade de herbicidas seletivos ao algodoeiro leva a aplicações de herbicidas que resultam em alta toxidez, com queda na qualidade da fibra e no rendimento de algodão em caroço.…”
Section: Introductionunclassified