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Management Options for Multiple Herbicide–Resistant Corn Poppy (Papaver rhoeas) in Spain

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Issue date
2017
Author
Rey Caballero, Jordi
Royo-Esnal, Aritz
Recasens i Guinjuan, Jordi
González, Ignacio
Torra Farré, Joel
Suggested citation
Rey Caballero, Jordi; Royo-Esnal, Aritz; Recasens i Guinjuan, Jordi; González, Ignacio; Torra Farré, Joel; . (2017) . Management Options for Multiple Herbicide–Resistant Corn Poppy (Papaver rhoeas) in Spain. Weed Science, 2017, vol.65, núm. 2, p. 295-304. https://doi.org/10.1017/wsc.2016.38.
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Abstract
Corn poppy is the most widespread broadleaf weed infesting winter cereals in Europe. Biotypes that are resistant (R) to both 2,4-D and tribenuron-methyl have evolved in recent decades, thus complicating their chemical control. In this study, field experiments at two locations over three seasons were conducted to evaluate the effects of different weed management strategies on corn poppy resistant to 2,4-D and tribenuron-methyl, including crop rotations, delayed sowing and different herbicide programs. After 3 yr, all integrated weed management (IWM) strategies reduced the initial density of corn poppy, although the most successful strategies were those which either included a suitable crop rotation (sunflower or field peas), or had a variation in the herbicide application timing (early POST or combining PRE or early POST and POST). The efficacy of IWM strategies differed between both locations, possibly due to different population dynamics and the genetic basis of herbicide resistance. Integrated management of multiple herbicide–resistant corn poppy is necessary in order to reduce selection pressure by herbicides, mitigate the evolution of new R biotypes, and reduce the weed density in highly infested fields.
URI
http://hdl.handle.net/10459.1/60146
DOI
https://doi.org/10.1017/wsc.2016.38
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Weed Science, 2017, vol.65, núm. 2, p. 295-304
European research projects
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  • Articles publicats (Grup de Recerca en Malherbologia i Ecologia Vegetal) [56]
  • Articles publicats (Agrotecnio Center) [931]
  • Articles publicats (Hortofructicultura, Botànica i Jardineria) [174]

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

    Torra Farré, Joel; Royo-Esnal, Aritz; Rey Caballero, Jordi; Recasens i Guinjuan, Jordi; Salas, Marisa (Weed Science Society of America, 2018-07-05)
    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, ...
  • Management options for multiple herbicide resistant corn poppy (Papaver rhoeas L.) in Spain 

    Rey-Caballero J.; Royo-Esnal A.; Recasens J.; González I.; Torra J. (2017-04)
    Corn poppy is the most widespread broadleaved weed infesting winter cereals in Europe. Biotypes that are resistant (R) to both 2,4-D and tribenuron-methyl have evolved in recent decades, thus complicating and worsening ...
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    The present work examines the effects of different integrated weed management (IWM) programs on multiple herbicide-resistant Papaver rhoeas populations in terms of effectiveness, profitability and carbon footprint. With ...

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