2014
DOI: 10.1590/s0100-83582014000400019
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Abstract: -The technology that employs genetic modifications brought a significant increase in the utilization of glyphosate. Transgenic soybean has been suffering injury, even though it possesses a resistance mechanism to glyphosate. Currently, there are only a few studies on the dynamics of glyphosate in transgenic soybean planted in soils with different textures interacting with phosphorus concentrations. This study focused on assessing the effects of glyphosate in transgenic soybean plants on different types of soil… Show more

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Cited by 5 publications
(11 citation statements)
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“…Thus, the residual effect of the herbicides was lower in the LVA, possibly because of the greater sorption of the herbicides in this soil. Similar results were observed in studies conducted by Casonatto et al (2014), who evaluated the effects of the herbicide glyphosate on transgenic soybean, in soils of varied textures under different levels of phosphorus, evidencing that there was trend of greater shoot fresh and dry biomass of soybean plants in the LVA, compared with the RQ, for all levels of phosphorus.…”
Section: Treatmentssupporting
confidence: 87%
“…Thus, the residual effect of the herbicides was lower in the LVA, possibly because of the greater sorption of the herbicides in this soil. Similar results were observed in studies conducted by Casonatto et al (2014), who evaluated the effects of the herbicide glyphosate on transgenic soybean, in soils of varied textures under different levels of phosphorus, evidencing that there was trend of greater shoot fresh and dry biomass of soybean plants in the LVA, compared with the RQ, for all levels of phosphorus.…”
Section: Treatmentssupporting
confidence: 87%
“…The pre-emergence application of diclosulam or sulfentrazone with two sequential post-emergence applications of glyphosate or with single application of glyphosate resulted in lower plant heights when compared to the treatment with no post-emergence herbicide application. Similar results were found in other studies, with glyphosate affecting the soybean plant height (Zobiole et al, 2010;Casonatto et al, 2014;Osipe et al, 2014). However, when no pre-emergence herbicide was applied or a pre-emergence application of S-metolachlor was applied, the post-emergence application of glyphosate and the treatment with no post- cycle (Farias et al, 2007).…”
Section: Plant Heightsupporting
confidence: 90%
“…Além disso, em geral, a redução de massa seca foi maior em doses mais altas de glyphosate (Tabela 5), evidenciando que as plantas de soja foram intoxicadas pelo glyphosate, mesmo possuindo tolerância a esse herbicida, apesar de não morrerem. Casonatto et al (2014) verificaram que a altura de plantas e a massa fresca e seca da parte aérea foram menores nas plantas que receberam as maiores doses de glyphosate e que a maior disponibilidade de fósforo no solo, em menores doses de glyphosate, proporcionou menores sintomas de intoxicação nas plantas de soja RR. Resultados similares foram observados por Clua et al (2012) Resposta diferencial das culturas de milho RR e Soja RR à ... Bott et al (2008) observaram diminuição na elongação de raízes, além da redução de massa seca de soja RR exposta a glyphosate.…”
Section: Resultsunclassified
“…Resultados similares foram observados por Clua et al (2012) Resposta diferencial das culturas de milho RR e Soja RR à ... Bott et al (2008) observaram diminuição na elongação de raízes, além da redução de massa seca de soja RR exposta a glyphosate. A elongação de raízes, segundo Casonatto et al (2014), pode limitar a absorção de nutrientes por plantas submetidas à aplicação de glyphosate, influenciando o crescimento e o desenvolvimento, com reflexos no acúmulo de biomassa, como observado neste estudo. Serra et al (2011) salientam que a redução na produção de massa seca de raízes e parte aérea pode ser explicada pela possível diminuição da fotossíntese quando o glyphosate é aplicado.…”
Section: Resultsunclassified
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