Toxicity of insecticides used in sugarcane crop to the diazotrophic bacteria Herbaspirillum seropedicae
Autor(a) principal: | |
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Data de Publicação: | 2012 |
Outros Autores: | , , , , |
Tipo de documento: | Artigo |
Idioma: | por |
Título da fonte: | Revista de Ciências Agrárias (Belém. Online) |
Texto Completo: | https://ajaes.ufra.edu.br/index.php/ajaes/article/view/654 |
Resumo: | Although sugarcane crop responds to nitrogen fertilization, especially in sugarcane ratoon, the use of mineral sources of N is one of the factors of great economic impact in sugarcane production. Studies indicate that the use of diazotrophic bacteria can supply part of the need of nitrogen for this crop. The objective of this study was to identify pesticides used in the cultivation of sugarcane that do not affect the growth or cause harm to the ability of biological nitrogen fixation (BNF) of the diazotrophic bacterium Herbaspirillum seropedicae. Five insecticides (imidacloprid, fipronil, thiamethoxam, endosulfan and carbofuran) were tested in their respective commercial doses regarding their impact on bacteria growth. The parameters analyzed were duration of the lag phase, generation time and maximum cell density. The impact of pesticides on the nitrogenase activity of H. seropedicae grown in semi-solid medium was also assessed. Endosulfan and carbofuran hindered the growth of diazotrophic bacteria H. seropedicae, but did not reduce the BNF in vitro. Carbofuran increased the generation time and reduced the lag phase duration of H. seropedicae. Endosulfan increased its lag phase duration. Imidacloprid, fipronil and thiamethoxam did not cause any toxic effects to the growth and BNF in vitro of the diazotrophic bacteria H. seropedicae. |
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Revista de Ciências Agrárias (Belém. Online) |
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Toxicity of insecticides used in sugarcane crop to the diazotrophic bacteria Herbaspirillum seropedicaeAlthough sugarcane crop responds to nitrogen fertilization, especially in sugarcane ratoon, the use of mineral sources of N is one of the factors of great economic impact in sugarcane production. Studies indicate that the use of diazotrophic bacteria can supply part of the need of nitrogen for this crop. The objective of this study was to identify pesticides used in the cultivation of sugarcane that do not affect the growth or cause harm to the ability of biological nitrogen fixation (BNF) of the diazotrophic bacterium Herbaspirillum seropedicae. Five insecticides (imidacloprid, fipronil, thiamethoxam, endosulfan and carbofuran) were tested in their respective commercial doses regarding their impact on bacteria growth. The parameters analyzed were duration of the lag phase, generation time and maximum cell density. The impact of pesticides on the nitrogenase activity of H. seropedicae grown in semi-solid medium was also assessed. Endosulfan and carbofuran hindered the growth of diazotrophic bacteria H. seropedicae, but did not reduce the BNF in vitro. Carbofuran increased the generation time and reduced the lag phase duration of H. seropedicae. Endosulfan increased its lag phase duration. Imidacloprid, fipronil and thiamethoxam did not cause any toxic effects to the growth and BNF in vitro of the diazotrophic bacteria H. seropedicae. Universidade Federal Rural da Amazônia/UFRA2012-11-21info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://ajaes.ufra.edu.br/index.php/ajaes/article/view/654Amazonian Journal of Agricultural Sciences Journal of Agricultural and Environmental Sciences; Vol 55 No 4 (2012): RCA; 318-326Revista de Ciências Agrárias Amazonian Journal of Agricultural and Environmental Sciences; v. 55 n. 4 (2012): RCA; 318-3262177-87601517-591Xreponame:Revista de Ciências Agrárias (Belém. Online)instname:Universidade Federal Rural da Amazônia (UFRA)instacron:UFRAporhttps://ajaes.ufra.edu.br/index.php/ajaes/article/view/654/272Fernandes, Marcelo FerreiraProcópio, Sergio de OliveiraTeles, Daniele Araújode Sena Filho, José GuedesCargnelutti Filho, AlbertoMachado, Thadeu Nascimentoinfo:eu-repo/semantics/openAccess2017-07-18T18:57:05Zoai:ojs.www.periodicos.ufra.edu.br:article/654Revistahttps://ajaes.ufra.edu.br/index.php/ajaes/PUBhttps://ajaes.ufra.edu.br/index.php/ajaes/oaiallan.lobato@ufra.edu.br || ajaes.suporte@gmail.com2177-87601517-591Xopendoar:2017-07-18T18:57:05Revista de Ciências Agrárias (Belém. Online) - Universidade Federal Rural da Amazônia (UFRA)false |
dc.title.none.fl_str_mv |
Toxicity of insecticides used in sugarcane crop to the diazotrophic bacteria Herbaspirillum seropedicae |
title |
Toxicity of insecticides used in sugarcane crop to the diazotrophic bacteria Herbaspirillum seropedicae |
spellingShingle |
Toxicity of insecticides used in sugarcane crop to the diazotrophic bacteria Herbaspirillum seropedicae Fernandes, Marcelo Ferreira |
title_short |
Toxicity of insecticides used in sugarcane crop to the diazotrophic bacteria Herbaspirillum seropedicae |
title_full |
Toxicity of insecticides used in sugarcane crop to the diazotrophic bacteria Herbaspirillum seropedicae |
title_fullStr |
Toxicity of insecticides used in sugarcane crop to the diazotrophic bacteria Herbaspirillum seropedicae |
title_full_unstemmed |
Toxicity of insecticides used in sugarcane crop to the diazotrophic bacteria Herbaspirillum seropedicae |
title_sort |
Toxicity of insecticides used in sugarcane crop to the diazotrophic bacteria Herbaspirillum seropedicae |
author |
Fernandes, Marcelo Ferreira |
author_facet |
Fernandes, Marcelo Ferreira Procópio, Sergio de Oliveira Teles, Daniele Araújo de Sena Filho, José Guedes Cargnelutti Filho, Alberto Machado, Thadeu Nascimento |
author_role |
author |
author2 |
Procópio, Sergio de Oliveira Teles, Daniele Araújo de Sena Filho, José Guedes Cargnelutti Filho, Alberto Machado, Thadeu Nascimento |
author2_role |
author author author author author |
dc.contributor.author.fl_str_mv |
Fernandes, Marcelo Ferreira Procópio, Sergio de Oliveira Teles, Daniele Araújo de Sena Filho, José Guedes Cargnelutti Filho, Alberto Machado, Thadeu Nascimento |
description |
Although sugarcane crop responds to nitrogen fertilization, especially in sugarcane ratoon, the use of mineral sources of N is one of the factors of great economic impact in sugarcane production. Studies indicate that the use of diazotrophic bacteria can supply part of the need of nitrogen for this crop. The objective of this study was to identify pesticides used in the cultivation of sugarcane that do not affect the growth or cause harm to the ability of biological nitrogen fixation (BNF) of the diazotrophic bacterium Herbaspirillum seropedicae. Five insecticides (imidacloprid, fipronil, thiamethoxam, endosulfan and carbofuran) were tested in their respective commercial doses regarding their impact on bacteria growth. The parameters analyzed were duration of the lag phase, generation time and maximum cell density. The impact of pesticides on the nitrogenase activity of H. seropedicae grown in semi-solid medium was also assessed. Endosulfan and carbofuran hindered the growth of diazotrophic bacteria H. seropedicae, but did not reduce the BNF in vitro. Carbofuran increased the generation time and reduced the lag phase duration of H. seropedicae. Endosulfan increased its lag phase duration. Imidacloprid, fipronil and thiamethoxam did not cause any toxic effects to the growth and BNF in vitro of the diazotrophic bacteria H. seropedicae. |
publishDate |
2012 |
dc.date.none.fl_str_mv |
2012-11-21 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
https://ajaes.ufra.edu.br/index.php/ajaes/article/view/654 |
url |
https://ajaes.ufra.edu.br/index.php/ajaes/article/view/654 |
dc.language.iso.fl_str_mv |
por |
language |
por |
dc.relation.none.fl_str_mv |
https://ajaes.ufra.edu.br/index.php/ajaes/article/view/654/272 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf |
dc.publisher.none.fl_str_mv |
Universidade Federal Rural da Amazônia/UFRA |
publisher.none.fl_str_mv |
Universidade Federal Rural da Amazônia/UFRA |
dc.source.none.fl_str_mv |
Amazonian Journal of Agricultural Sciences Journal of Agricultural and Environmental Sciences; Vol 55 No 4 (2012): RCA; 318-326 Revista de Ciências Agrárias Amazonian Journal of Agricultural and Environmental Sciences; v. 55 n. 4 (2012): RCA; 318-326 2177-8760 1517-591X reponame:Revista de Ciências Agrárias (Belém. Online) instname:Universidade Federal Rural da Amazônia (UFRA) instacron:UFRA |
instname_str |
Universidade Federal Rural da Amazônia (UFRA) |
instacron_str |
UFRA |
institution |
UFRA |
reponame_str |
Revista de Ciências Agrárias (Belém. Online) |
collection |
Revista de Ciências Agrárias (Belém. Online) |
repository.name.fl_str_mv |
Revista de Ciências Agrárias (Belém. Online) - Universidade Federal Rural da Amazônia (UFRA) |
repository.mail.fl_str_mv |
allan.lobato@ufra.edu.br || ajaes.suporte@gmail.com |
_version_ |
1797231627131158528 |