http://www.cnr.it/ontology/cnr/individuo/prodotto/ID209603
Target-site resistance to ALS inhibitors in the polyploid species Echinochloa crus-galli (Articolo in rivista)
- Type
- Label
- Target-site resistance to ALS inhibitors in the polyploid species Echinochloa crus-galli (Articolo in rivista) (literal)
- Anno
- 2013-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1016/j.pestbp.2012.12.003 (literal)
- Alternative label
Panozzo S., Scarabel L., Tranel P.J., Sattin M. (2013)
Target-site resistance to ALS inhibitors in the polyploid species Echinochloa crus-galli
in Pesticide biochemistry and physiology; elsevier, new-york (Stati Uniti d'America)
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Panozzo S., Scarabel L., Tranel P.J., Sattin M. (literal)
- Pagina inizio
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- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
- Rivista
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
- Note
- Google Scholar (literal)
- ISI Web of Science (WOS) (literal)
- Scopus (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- Institute of Agro-environmental and Forest Biology (IBAF) - CNR
Department of Crop Sciences, University of Illinois, Urbana, USA (literal)
- Titolo
- Target-site resistance to ALS inhibitors in the polyploid species Echinochloa crus-galli (literal)
- Abstract
- Acetolactate synthase (ALS) inhibitors are widely used herbicides in rice and their recurrent use has
resulted in several resistant weed populations. Recent reports from Italian rice growers indicated that
resistance to ALS inhibitors evolved in the polyploid species Echinochloa crus-galli (L.) Beauv. (barnyardgrass),
which is the most noxious weed infesting Italian rice fields. Fourteen E. crus-galli populations were
confirmed to be resistant to at least one ALS-inhibiting herbicide. Three patterns of herbicide resistance
were identified: seven populations were highly cross-resistant to ALS inhibitors, two were resistant to a
sulfonylurea but not to an imidazolinone and five were multiple resistant to ALS and the ACCase inhibitor
profoxydim. The level of resistance to the latter herbicide was low. Molecular analyses yielded the first
reported consensus sequence for E. crus-galli ALS gene, encompassing all known mutation sites conferring
herbicide resistance. The nucleotide substitution of a G with a T, giving a Trp to Leu change at amino acid
574 was detected in plants of five resistant populations analyzed, confirming an ALS target-site-mediated
resistance mechanism. The W574L is a common ALS mutation endowing cross-resistance to all ALS inhibitor
chemical families, as confirmed by the high levels of resistance observed for ALS inhibitors at both
whole-plant and enzyme activity levels. ALS-resistant, and especially ALS- and ACCase multiple resistant
barnyardgrass are threatening the sustainability of Italian rice crops due to the lack of alternative postemergence
herbicides. (literal)
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