http://www.cnr.it/ontology/cnr/individuo/prodotto/ID209590
Management of an ACCase inhibitor resistant Lolium rigidum population based on the use of ALS inhibitors: weed population evolution observed over a seven year field-scale investigation (Articolo in rivista)
- Type
- Label
- Management of an ACCase inhibitor resistant Lolium rigidum population based on the use of ALS inhibitors: weed population evolution observed over a seven year field-scale investigation (Articolo in rivista) (literal)
- Anno
- 2013-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1002/ps.3449 (literal)
- Alternative label
Collavo A., Strek H., Beffa R., Sattin M. (2013)
Management of an ACCase inhibitor resistant Lolium rigidum population based on the use of ALS inhibitors: weed population evolution observed over a seven year field-scale investigation
in Pest management science (Online); Wiley, San Francisco (Stati Uniti d'America)
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Collavo A., Strek H., Beffa R., Sattin M. (literal)
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- ISI Web of Science (WOS) (literal)
- Scopus (literal)
- Google Scholar (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- Institute of Agro-environmental and Forest Biology, IBAF - CNR
Bayer CropScience AG, Frankfurt am Main, Germany (literal)
- Titolo
- Management of an ACCase inhibitor resistant Lolium rigidum population based on the use of ALS inhibitors: weed population evolution observed over a seven year field-scale investigation (literal)
- Abstract
- BACKGROUND: A 7 year experiment was set up in 2002 to evaluate the long-term effects of weed management strategies
based on graminicidal sulfonylureas (SUs) on the evolution of a Lolium rigidum population resistant to ACCase inhibitors in
a continuous wheat cropping system. The strategies included the continued use of ALS inhibitors, the continued application
of ACCase inhibitors and a simple resistance management strategy based on a biennial rotation of herbicide mode of action
(MoA).
RESULTS: The efficacy of the tested SUs in the field decreased significantly, starting from the fourth treatment in all control
strategies. Regardless of control strategy, the few survivors of the ALS treatment in the third season produced a significant
number of ACCase- and ALS-resistant (multiple-resistant) progeny. Continuous ALS and biennial rotation of herbicides reduced
weed densities, but L. rigidum conserved its ACCase resistance trait. Enhanced metabolismwas detected in ALS-resistant plants,
whereas target site was primarily involved in the ACCase-resistant individuals.
CONCLUSION: At the end of the experiment, multiple-resistant individuals were found in all samples coming from the control
strategies investigated. The biennial rotation between ALS and other MoA appeared to delay the development of resistance
to SUs over continuous treatments, but additional measures will likely need to be taken in order to make this sustainable in
the long term, whereas the field efficacy of SUs remained relatively high until the end of the experiment. Integrated weed
management with more diversity should be introduced in oversimplified cropping systems in order to sustainably manage
resistant L. rigidum populations. (literal)
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