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Sensitivity of imidazolinone-resistant red rice (Oryza sativa L.) to glyphosate and glufosinate Ciência Rural
Cassol,Guilherme Vestena; Avila,Luis Antonio de; Zemolin,Carla Rejane; Piveta,Andrey; Agostinetto,Dirceu; Merotto Júnior,Aldo.
Dose-response experiments were carried out to evaluate the sensitivity of imidazolinone-resistant red rice to nonselective herbicides currently used in rice-soybean rotation in Rio Grande do Sul. Two red rice biotypes previously identified as resistant and susceptible to the imidazolinone herbicides were treated with imazapic plus imazapic, glyphosate and glufosinate under nine herbicide rates. A non-linear log-logistic analysis was used to estimate the herbicide rate that provided 50% red rice control and dry weight reduction (GR50). Imidazolinone-resistant red rice exhibited greater GR50 values than imidazolinone-susceptible biotype for imazapyr plus imazapic. In contrast, both imidazolinone-resistant and susceptible red rice showed similar GR50values...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Learfield(r) rice; Nonselective herbicides; Red rice management; Rice-soybean rotation; Weed resistance.
Ano: 2015 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782015000901557
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Pesquisa demonstra eficácia de herbicidas alternativos no controle de arroz vermelho resistente às imidazolinonas Ciência Rural
Cassol,Guilherme Vestena; Avila,Luis Antonio de.
Tipo: Info:eu-repo/semantics/other
Ano: 2024 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782015011000001
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Phytoremediation of lowland soil contaminated with a formulated mixture of Imazethapyr and Imazapic1 Rev. Ciênc. Agron.
Souto,Kelen Müller; Avila,Luis Antonio de; Cassol,Guilherme Vestena; Machado,Sérgio Luiz de Oliveira; Marchesan,Enio.
The use of plants to decontaminate water and soil contaminated with both organic and inorganic pollutants is a promising technology for sustainable agriculture. The aim of this work was to evaluate the efficiency of plant species in the remediation of formulated mixtures of imazethapyr and imazapic, using the irrigated rice cultivar IRGA 417 as bioindicator. The treatments consisted of the combination of 13 plant species with seven rates of a formulated mixture of imazethapyr and Imazapic (75+25 g e.a. L-1 respectively): 0, 200, 300, 400, 500, 1000 and 4000 mL ha-1. To evaluate the potential for phytoremediation in these species, symptoms of injury and plant height were measured in rice plants at 7, 14, 21 and 28 days after emergence and shoot dry weight...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Rice; Phytoremediation; Soil decontamination.
Ano: 2015 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1806-66902015000100185
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