Utilização de chlorimuron-ethyl e imazethapyr na cultura da soja Roundup Ready®

Procópio, S.O.; Menezes, Carlos César Evangelista de; Betta, L.; Betta, Marconi

doi:10.1590/s0100-83582007000200017

Cited by 32 publications

(31 citation statements)

References 12 publications

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“…ha -1 promoted significant reductions in soybean height whereas the other treatments did not cause significant negative effects for this variable (Table 7). Procópio et al (2007) also observed reductions in height and dry mass of soybean shoots when they were treated with glyphosate+imazethapyr at 28 days after soybean emergence.…”

Section: Experiments IImentioning

confidence: 76%

“…Toxicity symptoms recovery from herbicide mixtures with glyphosate or isolated glyphosate for glyphosate-resistant soybean is reported by several authors such as Lich et al (1997), Gonzini et al (1999), Elmore et al (2001), Grey & Raymer (2002), Ellis & Griffin (2003), Norsworthy (2004) and Procópio et al (2007).…”

Section: Experiments Imentioning

confidence: 88%

“…However, the possibility of using only one herbicide to control weeds both at burndown and postemergence may result in tolerant or resistant biotypes selection, consequently providing unsatisfactory control. Weeds such as Synedrellopsis grisebachii, Spermacoce latifolia, Commelina benghalensis, and Tridax procumbens have been selected due to successive glyphosate applications in the Brazilian savanna (Procópio et al, 2007).…”

Section: Introductionmentioning

confidence: 99%

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Selectivity of glyphosate in tank mixtures for RR soybean in sequential applications with mixtures only in the first or second application

et al. 2010

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Tank mixtures among herbicides of different action mechanisms might increase weed control spectrum and may be an important strategy for preventing the development of resistance in RR soybean. However, little is known about the effects of these herbicide combinations on soybean plants. Hence, two experiments were carried out aiming at evaluating the selectivity of glyphosate mixtures with other active ingredients applied in postemergence to RR soybean. The first application was carried out at V1 to V2 soybean stage and the second at V3 to V4 (15 days after the first one). For experiment I, treatments (rates in g ha-1) evaluated were composed by two sequential applications: the first one with glyphosate (720) in tank mixtures with cloransulam (30.24), fomesafen (125), lactofen (72), chlorimuron (12.5), flumiclorac (30), bentazon (480) and imazethapyr (80); the second application consisted of isolated glyphosate (480). In experiment II, treatments also consisted of two sequential applications, but tank mixtures as described above were applied as the second application. The first one in this experiment consisted of isolated glyphosate (720). For both experiments, sequential applications of glyphosate alone at 720/480, 960/480, 1200/480 and 960/720 (Expt. I) or 720/480, 720/720, 720/960 and 720/1200 (Expt. II) were used as control treatments. Applications of glyphosate tank mixtures with other herbicides are more selective to RR soybean when applied at younger stages whereas applications at later stages might cause yield losses, especially when glyphosate is mixed with lactofen and bentazon.

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Section: Experiments IImentioning

confidence: 76%

Section: Experiments Imentioning

confidence: 88%

Section: Introductionmentioning

confidence: 99%

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Selectivity of glyphosate in tank mixtures for RR soybean in sequential applications with mixtures only in the first or second application

et al. 2010

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“…Em trabalho realizado por Procópio et al (2007), a adição de 100 g ha -1 de imazethapyr ao glyphosate nas doses de 480, 960 ou 1.440 g ha -1 acarretou níveis de intoxicação de 33% às plantas de soja aos 13 DAA, similar ao observado neste estudo.…”

Section: Resultados E Discussão Fitotoxicidadeunclassified

“…Entretato, alguns Eficácia de herbicidas aplicados em pós-emergência na ... resultados de pesquisa têm demonstrado que o uso de glyphosate combinado com herbicidas aplicados em soja convencional aumenta o espectro e a eficácia de controle de plantas consideradas mais tolerantes à ação do glyphosate isolado (Monquero et al, 2001;Vidrine et al, 2002;Procópio et al, 2007).…”

Section: Introductionunclassified

Eficácia de herbicidas aplicados em pós-emergência na cultura da soja convencional e transgênica

Corrêa

Alves

2009

Planta daninha

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RESUMO -Na cultura da soja é frequente o uso de herbicidas seletivos aplicados em pós-emergência para o controle das plantas daninhas. Com o objetivo de avaliar a eficiência e a seletividade de herbicidas aplicados em pós-emergência, isolados e em misturas, para o controle de plantas daninhas e os efeitos sobre o crescimento e o desenvolvimento da soja convencional ), lactofen + chlorimuronethyl (96 + 10 g ha ), chlorimuron-ethyl + bentazon (10 + 600 g ha ). Além disso, mantiveram-se duas testemunhas sem aplicação de herbicida (capinada e sem capina). O delineamento experimental utilizado foi em blocos ao acaso, com quatro repetições. O herbicida lactofen aplicado isoladamente e em mistura com chlorimuron-etyl, imazethapyr e haloxyfop-methyl provocou intoxicação inicial às plantas de soja, porém aos 27 dias após aplicação a cultura apresentava-se recuperada. No primeiro ano agrícola, as plantas daninhas foram satisfatoriamente controladas pelos tratamentos químicos. No segundo ano, os tratamentos que resultaram em melhor controle das infestantes foram glyphosate e glyphosate + imazethapyr. Houve redução na altura final das plantas, no segundo ano, tratadas com chlorimuron-ethyl + imazethapyr, lactofen + chlorimuron-ethyl + imazethapyr e lactofen + chlorimuron-ethyl + imazethapyr/haloxyfopmethyl. Foi constatada redução na produtividade de grãos da variedade M-SOY 7908 RR tratada com lactofen e com a mistura chlorimuron ethyl + bentazon no primeiro ano. A aplicação de chlorimuron-ethyl + bentazon proporcionou redução na produtividade da variedade M-SOY 8001 no segundo ano. ), chlorimuron-ethyl + imazethapyr (10 + 70 g ha -1 ), chlorimuron-ethyl + bentazon (10 + 600 g ha -1 ), glyphosate + imazethapyr (900 + 70 g ha -1 ), lactofen + chlorimuron-ethyl + imazethapyr (96 + 10 + 70 g ha -1 ) and lactofen + chlorimuron-ethyl + imazethapyr/haloxyfop-methyl (96 + 10 + 70 + 60 g ha -1 ). The tests included two non-treated controls. A randomized block experimental design was used with four replications. Lactofen applied alone and the mixtures chlorimuron-etyl, imazethapyr and haloxyfopmethyl did not cause initial injury in the soybean plants, but the plants recovered on the 27 th day

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Compatibility of pesticides and/or fertilizers in tank mixtures

Gandini

Costa

Santos

et al. 2020

Journal of Cleaner Production

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Utilização de chlorimuron-ethyl e imazethapyr na cultura da soja Roundup Ready®

Abstract: RESUMO -Objetivou-se com este trabalho avaliar a eficácia e a seletividade da associação dos herbicidas chlorimuron-ethyl e imazethapyr ao glyphosate no controle de plantas daninhas na cultura da soja Roundup Ready ® (RR ®

Cited by 32 publications

References 12 publications

Selectivity of glyphosate in tank mixtures for RR soybean in sequential applications with mixtures only in the first or second application

Selectivity of glyphosate in tank mixtures for RR soybean in sequential applications with mixtures only in the first or second application

Eficácia de herbicidas aplicados em pós-emergência na cultura da soja convencional e transgênica

Compatibility of pesticides and/or fertilizers in tank mixtures

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