Consiglio Nazionale delle Ricerche

Tipo di prodottoArticolo in rivista
TitoloEpidemiology and agronomic predictors of herbicide resistance in rice at a large scale
Anno di pubblicazione2018
Autore/iMascanzoni E., Perego A., Marchi N., Scarabel L., Panozzo S., Ferrero A., Acutis M., Sattin M.
Affiliazioni autoriDAFNAE, University of Padova, Legnaro, Italy DISAA University of Milano, Milan, Italy TESAF, University of Padova, Legnaro, Italy Institute of Agro-environmental and Forest Biology (IBAF) - CNR, Viale dell'Università 16, 35020 Legnaro, PD, Italy DISAFA, University of Torino, Grugliasco, Italy
Autori CNR e affiliazioni
  • inglese
AbstractHerbicide resistance is a major weed control issue that threatens the sustainability of rice cropping systems. Its epidemiology at large scale is largely unknown. Several rice weed species have evolved resistant populations in Italy, including multiple resistant ones. The study objectives were to analyze the impact in Italian rice fields of major agronomic factors on the epidemiology of herbicide resistance and to generate a large-scale resistance risk map. The Italian Herbicide Resistance Working Group database was used to generate herbicide resistance maps. The distribution of resistant weed populations resulted as not homogeneous in the area studied, with two pockets where resistance had not been detected. To verify the situation, random sampling was done in the pockets where resistance had never been reported. Based on data from 230 Italian municipalities, three different statistics, stepwise discriminant analysis, stepwise logistic regression, and neural network, were used to correlate resistance distribution in the main Italian rice growing area with seeding type, rotation rate, and soil texture. Through the integration of complaint monitoring, mapping, and neural network analyses, we prove that a high risk of resistance evolution is associated with traditional rice cropping systems with intense monoculture rates and where water-seeding is widespread. This is the first study that determines the degree of association between herbicide resistance and a few important predictors at large scale. It also demonstrates that resistance is present in areas where it had never been reported through extensive complaint monitoring. However, these resistant populations cause medium-low density infestations, likely not alarming rice farmers. This highlights the importance of integrated agronomic techniques at cropping system level to prevent the diffusion and impact of herbicide resistance or limit it to an acceptable level. The identification of concise, yet informative, agronomic predictors of herbicide resistance diffusion can significantly facilitate effective management and improve sustainability.
Lingua abstractinglese
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RivistaAgronomy for sustainable development (Online)
Attiva dal 2005
Editore: EDP sciences - Les Ulis
Paese di pubblicazione: Francia
Lingua: inglese
ISSN: 1773-0155
Titolo chiave: Agronomy for sustainable development (Online)
Titolo proprio: Agronomy for sustainable development. (Online)
Titolo abbreviato: Agron. sustain. dev. (Online)
Numero volume della rivista-
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Verificato da refereeSì: Internazionale
Stato della pubblicazionePublished version
Indicizzazione (in banche dati controllate)-
Parole chiaveEchinochloa spp., soil texture, resistance monitoring, resistance mapping, resistance management, neural network
Link (URL, URI)
Titolo parallelo-
Scadenza embargo-
Data di accettazione22/11/2018
Note/Altre informazioni-
Strutture CNR
  • IBAF — Istituto di biologia agro-ambientale e forestale
  • IPSP — Istituto per la Protezione Sostenibile delle Piante
Moduli/Attività/Sottoprogetti CNR
  • AG.P04.035.001 : Biologia e gestione sostenibile della vegetazione spontanea in ambienti agrari e antropizzati
Progetti Europei-
Epidemiology and agronomic predictors of herbicide resistance in rice at a large scale (documento privato )
Tipo documento: application/pdf