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Silky bent grass resistance to herbicides: one year of monitoring in Belgium
Henriet, François; Bodson, Bernard; Meza Morales, Walter
2013In Communications in Agricultural and Applied Biological Sciences, 78 (3), p. 665-670
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Keywords :
herbicides; silky bent grass; resistance
Abstract :
[en] Silky bent grass (Apera spica-venti (L.) P. Beauv.) is a common weed of cereal crops widely spread in Northern and Easthern Europe (Germany, Czech Republic, ...), Northern Asia, Sibera and Canada. Up to now, no resistant case has been detected in Belgium but some chemical weeding failures have been observed in Wallonia fields. During summer 2011, 37 seed samples of Apera spica-venti were collected in Wallonia and submitted to resistance tests in controlled conditions. Three modes of action were tested: acetyl coenzyme-A carboxylase inhibitors (pinoxaden and cycloxydim), acetolactate synthase inhibitores (mesosulfuron+iodosulfuron, pytroxsulam and sulfometuron) and photosynthesis inhibitors (isoproturon). One susceptible standard population was included in the test in order to validate it and to permit wild populations classification according to "R" rating system developed by Moss et al (2007). Most of populations were susceptible but some populations showed resistance to at least one of the three tested modes of action.
Disciplines :
Agriculture & agronomy
Phytobiology (plant sciences, forestry, mycology...)
Author, co-author :
Henriet, François;  Centre Wallon de Recherches Agonomiques > Department Sciences du vivant > Unité Protection des plantes et écotoxicologie
Bodson, Bernard ;  Université de Liège - ULiège > Sciences agronomiques > Phytotechnie des régions tempérées
Meza Morales, Walter ;  Université de Liège - ULiège > Sciences agronomiques > Phytotechnie des régions tempérées
Language :
English
Title :
Silky bent grass resistance to herbicides: one year of monitoring in Belgium
Publication date :
21 May 2013
Event name :
65th International Symposium on Crop Protection
Event organizer :
Universiteit Gent
Event place :
Gent, Belgium
Event date :
21 mai 2013
Audience :
International
Journal title :
Communications in Agricultural and Applied Biological Sciences
ISSN :
1379-1176
Publisher :
Universiteit Gent. Faculteit Landbouwkundige en Toegepaste Biologische Wetenschappen, Gent, Belgium
Volume :
78
Issue :
3
Pages :
665-670
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 25 May 2014

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