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Carryover of herbicides used in cotton stalk control on soybean cultivated in succession 87
C. Francischini,Alessandra; Constantin,Jamil; D. Matte,Willian; S. Oliveira Jr.,Rubem; G. Machado,Fellipe; K. Morota,Felipe.
Abstract Background: Information on the carryover of herbicides applied to the destruction of cotton stalks, as well as the withdrawal period necessary to prevent the development and productivity of the crop in succession from being affected are limited in the literature. Objective: The objective was to identify the carryover effect promoted by herbicides used in the management of the destruction of cotton stalks and to estimate the host free period for sowing soybean in succession. Methods: Two individual experiments were conducted simultaneously, one for single application and the other for sequential application of herbicide treatments. The experiments were installed in a factorial scheme (15x5), in a randomized block design with four...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Residual activity; Safety interval; Synthetic auxins.
Ano: 2020 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-83582020000100306
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Residues of carbosulfan and its carbofuran metabolites and 3-hydroxy-carbofuran in oranges 94
Trevisan,Marcos José; Baptista,Gilberto Casadei de; Trevizan,Luiz Roberto Pimentel; Papa,Geraldo.
The objectives of this study were to evaluate the residues of the insecticide carbosulfan and its carbofuran metabolites and 3-hydroxy-carbofuran in orange compartments (whole fruit, bagasse and juice) and comparison between the residual levels found in fruits with the maximum residue level and the safety interval established by the Brazilian legislation. Two field experiments were carried out, both with the following treatments: a-check; b-one application of 10 g of carbosulfan . 100 L-1 of water; c-one application with twice the rate applied in treatment b; d-four applications with the same rate applied in treatment b. Samples were taken at (-1), zero, 1, 3, 7, 14, 21 and 28 days after the last or unique application. The quantitative determinations were...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Citrus sinensis; Metabolism; Pesticide residues in citrus; Maximum residue level; Safety interval.
Ano: 2004 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-29452004000200012
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