Management of herbicide resistant corn poppy (Papaver rhoeas) under different tillage systems does not change the frequency of resistant plants

Corn poppy (Papaver rhoeas L.) is the most widespread broadleaf weed species infesting winter cereals in Europe. Biotypes that are resistant to both 2,4-D and tribenuron-methyl, an acetolactate synthase (ALS)-inhibitor, have evolved in recent decades, thus narrowing the options for effective chemica...

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Autores: Torra Farré, Joel, Royo-Esnal, Aritz, Rey Caballero, Jordi, Recasens i Guinjuan, Jordi, Salas, Marisa
Tipo de recurso: artículo
Estado:Versión aceptada para publicación
Fecha de publicación:2018
País:España
Institución:Universitat de Lleida (UdL)
Repositorio:Repositori Obert UdL
OAI Identifier:oai:repositori.udl.cat:10459.1/65729
Acceso en línea:https://doi.org/10.1017/wsc.2018.53
http://hdl.handle.net/10459.1/65729
Access Level:acceso abierto
Palabra clave:Crop rotation
Delayed sowing
Direct drilling
Integrated weed management strategy
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spelling Management of herbicide resistant corn poppy (Papaver rhoeas) under different tillage systems does not change the frequency of resistant plantsTorra Farré, JoelRoyo-Esnal, AritzRey Caballero, JordiRecasens i Guinjuan, JordiSalas, MarisaCrop rotationDelayed sowingDirect drillingIntegrated weed management strategyCorn poppy (Papaver rhoeas L.) is the most widespread broadleaf weed species infesting winter cereals in Europe. Biotypes that are resistant to both 2,4-D and tribenuron-methyl, an acetolactate synthase (ALS)-inhibitor, have evolved in recent decades, thus narrowing the options for effective chemical control. Though the effectiveness of several integrated weed management (IWM) strategies have been confirmed, none of such strategies has been tested to manage multiple herbicide-resistant P. rhoeas under no-till planting. With the expansion of no-till systems, it is important to prove the effectiveness of such strategies. In this study, a field experiment over three consecutive seasons was conducted to evaluate and compare the effects of different weed management strategies, both under direct drilling (i.e. no-till) and intensive tillage, on a multiple herbicide-resistant P. rhoeas population. Moreover, evaluations were carried out as to whether the proportions of ALS-inhibitor resistant individuals were affected by the tillage systems for each IWM strategy at the end of the three-year period. The IWM strategies tested in this research included crop rotation, delayed sowing and different herbicide programs such as PRE plus POST or POST. All IWM strategies greatly reduced the initial density of P. rhoeas each season (≥ 95%), both under direct drilling and intensive tillage. After three years, the IWM strategies were very effective in both tillage systems, though the effects were stronger under direct drilling (~95%) compared to intensive tillage (~86%). At the end, the proportion of ALS-inhibitor resistant plants was not different between the IWM strategies in both tillage systems (94% on average). Therefore, crop rotation (with sunflower (Helianthus annuus L.)), delayed sowing, or a variation in the herbicide application timing are effective under direct drilling to manage herbicide-resistant P. rhoeas. Adoption of IWM strategies is necessary in order to mitigate the evolution of resistance in both conventional and no-till systemsThe authors gratefully acknowledge Du Pont de Nemours for funding the trials. They also thank E. Edo, L. Pallares, L. Mateu, and N. Moix for their help in the field trials. JR-C was funded by Ph.D grants from the Agència de Gestió d’Ajuts Universitaris i de Recerca (FI-2013) from Generalitat de Catalunya. No conflicts of interest have been declared.Weed Science Society of America2018info:eu-repo/semantics/articleinfo:eu-repo/semantics/acceptedVersionapplication/pdfhttps://doi.org/10.1017/wsc.2018.53http://hdl.handle.net/10459.1/65729reponame:Repositori Obert UdL instname:Universitat de Lleida (UdL)InglésVersió postprint del document publicat a: https://doi.org/10.1017/wsc.2018.53Weed Science, 2018, vol. 66, núm. 6, p. 764-772(c) Weed Science Society of America, 2018info:eu-repo/semantics/openAccessoai:repositori.udl.cat:10459.1/657292026-06-24T12:42:17Z
dc.title.none.fl_str_mv Management of herbicide resistant corn poppy (Papaver rhoeas) under different tillage systems does not change the frequency of resistant plants
title Management of herbicide resistant corn poppy (Papaver rhoeas) under different tillage systems does not change the frequency of resistant plants
spellingShingle Management of herbicide resistant corn poppy (Papaver rhoeas) under different tillage systems does not change the frequency of resistant plants
Torra Farré, Joel
Crop rotation
Delayed sowing
Direct drilling
Integrated weed management strategy
title_short Management of herbicide resistant corn poppy (Papaver rhoeas) under different tillage systems does not change the frequency of resistant plants
title_full Management of herbicide resistant corn poppy (Papaver rhoeas) under different tillage systems does not change the frequency of resistant plants
title_fullStr Management of herbicide resistant corn poppy (Papaver rhoeas) under different tillage systems does not change the frequency of resistant plants
title_full_unstemmed Management of herbicide resistant corn poppy (Papaver rhoeas) under different tillage systems does not change the frequency of resistant plants
title_sort Management of herbicide resistant corn poppy (Papaver rhoeas) under different tillage systems does not change the frequency of resistant plants
dc.creator.none.fl_str_mv Torra Farré, Joel
Royo-Esnal, Aritz
Rey Caballero, Jordi
Recasens i Guinjuan, Jordi
Salas, Marisa
author Torra Farré, Joel
author_facet Torra Farré, Joel
Royo-Esnal, Aritz
Rey Caballero, Jordi
Recasens i Guinjuan, Jordi
Salas, Marisa
author_role author
author2 Royo-Esnal, Aritz
Rey Caballero, Jordi
Recasens i Guinjuan, Jordi
Salas, Marisa
author2_role author
author
author
author
dc.subject.none.fl_str_mv Crop rotation
Delayed sowing
Direct drilling
Integrated weed management strategy
topic Crop rotation
Delayed sowing
Direct drilling
Integrated weed management strategy
description Corn poppy (Papaver rhoeas L.) is the most widespread broadleaf weed species infesting winter cereals in Europe. Biotypes that are resistant to both 2,4-D and tribenuron-methyl, an acetolactate synthase (ALS)-inhibitor, have evolved in recent decades, thus narrowing the options for effective chemical control. Though the effectiveness of several integrated weed management (IWM) strategies have been confirmed, none of such strategies has been tested to manage multiple herbicide-resistant P. rhoeas under no-till planting. With the expansion of no-till systems, it is important to prove the effectiveness of such strategies. In this study, a field experiment over three consecutive seasons was conducted to evaluate and compare the effects of different weed management strategies, both under direct drilling (i.e. no-till) and intensive tillage, on a multiple herbicide-resistant P. rhoeas population. Moreover, evaluations were carried out as to whether the proportions of ALS-inhibitor resistant individuals were affected by the tillage systems for each IWM strategy at the end of the three-year period. The IWM strategies tested in this research included crop rotation, delayed sowing and different herbicide programs such as PRE plus POST or POST. All IWM strategies greatly reduced the initial density of P. rhoeas each season (≥ 95%), both under direct drilling and intensive tillage. After three years, the IWM strategies were very effective in both tillage systems, though the effects were stronger under direct drilling (~95%) compared to intensive tillage (~86%). At the end, the proportion of ALS-inhibitor resistant plants was not different between the IWM strategies in both tillage systems (94% on average). Therefore, crop rotation (with sunflower (Helianthus annuus L.)), delayed sowing, or a variation in the herbicide application timing are effective under direct drilling to manage herbicide-resistant P. rhoeas. Adoption of IWM strategies is necessary in order to mitigate the evolution of resistance in both conventional and no-till systems
publishDate 2018
dc.date.none.fl_str_mv 2018
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/acceptedVersion
format article
status_str acceptedVersion
dc.identifier.none.fl_str_mv https://doi.org/10.1017/wsc.2018.53
http://hdl.handle.net/10459.1/65729
url https://doi.org/10.1017/wsc.2018.53
http://hdl.handle.net/10459.1/65729
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv Versió postprint del document publicat a: https://doi.org/10.1017/wsc.2018.53
Weed Science, 2018, vol. 66, núm. 6, p. 764-772
dc.rights.none.fl_str_mv (c) Weed Science Society of America, 2018
info:eu-repo/semantics/openAccess
rights_invalid_str_mv (c) Weed Science Society of America, 2018
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Weed Science Society of America
publisher.none.fl_str_mv Weed Science Society of America
dc.source.none.fl_str_mv reponame:Repositori Obert UdL
instname:Universitat de Lleida (UdL)
instname_str Universitat de Lleida (UdL)
reponame_str Repositori Obert UdL
collection Repositori Obert UdL
repository.name.fl_str_mv
repository.mail.fl_str_mv
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