Persistence and phytotoxicity of soybean herbicides on successive sunflower crop

Persistence and phytotoxicity of soybean herbicides on successive sunflower crop

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The objective of this work was to avaluate the residual effect of imazaquin, imazethapyr and diclosulam, applied on soybean, on successive sunflower crop. In the main plots, sunflower was sowed 60 and 90 days after application (DAA) of imazaquin and diclosulam and 45 and 75 DAA of imazethapyr. The subplots consisted of imazaquin (150 g/ha), imazethapyr (70 g/ha) and diclosulam (33.6 g/ha) applied on soybean and an untreated control. The sunflower sowed 90 and 75 DAA of imazaquin and imazethapyr applied on soybean, respectively did not show symptoms of phytotoxicity. The diclosulam caused a total reduction on sunflower stand in two periods of sunflower sowing. Herbicide injury potential, as indicated by sunflower yield, was diclosulam > imazaquin > imazethapyr.

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Main Authors: Brighenti, Alexandre Magno, Moraes, Vinícius Junqueira, Júnior, Rubem Silvério de Oliveira, Gazziero, Dionísio Luiz Pisa, Barroso, Alberto Leão Lemos, Gomes, Jerônimo Araújo
Format: Digital revista
Language:por
Published: Pesquisa Agropecuaria Brasileira 2002
Online Access:https://seer.sct.embrapa.br/index.php/pab/article/view/6375
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spelling rev-pab-br-article-63752014-07-18T18:50:11Z Persistence and phytotoxicity of soybean herbicides on successive sunflower crop Persistência e fitotoxicidade de herbicidas aplicados na soja sobre o girassol em sucessão Brighenti, Alexandre Magno Moraes, Vinícius Junqueira Júnior, Rubem Silvério de Oliveira Gazziero, Dionísio Luiz Pisa Barroso, Alberto Leão Lemos Gomes, Jerônimo Araújo Helianthus annuus; herbicide carryover; imazaquin; imazethapyr; diclosulam Helianthus annuus; resíduos; imazaquin; imazethapyr; diclosulam The objective of this work was to avaluate the residual effect of imazaquin, imazethapyr and diclosulam, applied on soybean, on successive sunflower crop. In the main plots, sunflower was sowed 60 and 90 days after application (DAA) of imazaquin and diclosulam and 45 and 75 DAA of imazethapyr. The subplots consisted of imazaquin (150 g/ha), imazethapyr (70 g/ha) and diclosulam (33.6 g/ha) applied on soybean and an untreated control. The sunflower sowed 90 and 75 DAA of imazaquin and imazethapyr applied on soybean, respectively did not show symptoms of phytotoxicity. The diclosulam caused a total reduction on sunflower stand in two periods of sunflower sowing. Herbicide injury potential, as indicated by sunflower yield, was diclosulam > imazaquin > imazethapyr. O objetivo deste trabalho foi avaliar o efeito residual dos herbicidas imazaquin, imazethapyr e diclosulam aplicados na cultura da soja sobre o girassol em sucessão. Nas parcelas, foi semeado o girassol aos 60 e 90 dias após a aplicação (DAA) do imazaquin e do diclosulam e 45 e 75 DAA do imazethapyr. As subparcelas foram compostas pelos herbicidas imazaquin (150 g/ha), imazethapyr (70 g/ha) e diclosulam (33,6 g/ha) aplicados na cultura da soja, além da testemunha (sem aplicação). O girassol, semeado aos 90 e aos 75 dias após a aplicação do imazaquin e do imazethapyr na cultura da soja, respectivamente, não apresenta sintomas de fitotoxicidade. O diclosulam causa redução total do estande de girassol nas duas épocas de semeadura. A lesão causada pelos herbicidas ao girassol, observada na produtividade da cultura, é maior em ordem decrescente de fitotoxicidade: diclosulam > imazaquin > imazethapyr. Pesquisa Agropecuaria Brasileira Pesquisa Agropecuária Brasileira 2002-04-01 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion application/pdf https://seer.sct.embrapa.br/index.php/pab/article/view/6375 Pesquisa Agropecuaria Brasileira; v.37, n.4, abr. 2002; 559-565 Pesquisa Agropecuária Brasileira; v.37, n.4, abr. 2002; 559-565 1678-3921 0100-104x por https://seer.sct.embrapa.br/index.php/pab/article/view/6375/3432
institution EMBRAPA
collection OJS
country Brasil
countrycode BR
component Revista
access En linea
databasecode rev-pab-br
tag revista
region America del Sur
libraryname Sistema de bibliotecas de EMBRAPA
language por
format Digital
author Brighenti, Alexandre Magno
Moraes, Vinícius Junqueira
Júnior, Rubem Silvério de Oliveira
Gazziero, Dionísio Luiz Pisa
Barroso, Alberto Leão Lemos
Gomes, Jerônimo Araújo
spellingShingle Brighenti, Alexandre Magno
Moraes, Vinícius Junqueira
Júnior, Rubem Silvério de Oliveira
Gazziero, Dionísio Luiz Pisa
Barroso, Alberto Leão Lemos
Gomes, Jerônimo Araújo
Persistence and phytotoxicity of soybean herbicides on successive sunflower crop
author_facet Brighenti, Alexandre Magno
Moraes, Vinícius Junqueira
Júnior, Rubem Silvério de Oliveira
Gazziero, Dionísio Luiz Pisa
Barroso, Alberto Leão Lemos
Gomes, Jerônimo Araújo
author_sort Brighenti, Alexandre Magno
title Persistence and phytotoxicity of soybean herbicides on successive sunflower crop
title_short Persistence and phytotoxicity of soybean herbicides on successive sunflower crop
title_full Persistence and phytotoxicity of soybean herbicides on successive sunflower crop
title_fullStr Persistence and phytotoxicity of soybean herbicides on successive sunflower crop
title_full_unstemmed Persistence and phytotoxicity of soybean herbicides on successive sunflower crop
title_sort persistence and phytotoxicity of soybean herbicides on successive sunflower crop
description The objective of this work was to avaluate the residual effect of imazaquin, imazethapyr and diclosulam, applied on soybean, on successive sunflower crop. In the main plots, sunflower was sowed 60 and 90 days after application (DAA) of imazaquin and diclosulam and 45 and 75 DAA of imazethapyr. The subplots consisted of imazaquin (150 g/ha), imazethapyr (70 g/ha) and diclosulam (33.6 g/ha) applied on soybean and an untreated control. The sunflower sowed 90 and 75 DAA of imazaquin and imazethapyr applied on soybean, respectively did not show symptoms of phytotoxicity. The diclosulam caused a total reduction on sunflower stand in two periods of sunflower sowing. Herbicide injury potential, as indicated by sunflower yield, was diclosulam > imazaquin > imazethapyr.
publisher Pesquisa Agropecuaria Brasileira
publishDate 2002
url https://seer.sct.embrapa.br/index.php/pab/article/view/6375
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