The 'Group' letters/numbers that you see throughout this web site refer to the classification of herbicides by their site of action. To see a full list of herbicides and HRAC herbicide classifications click here.
QUIK STATS (last updated May 07, 2017 )
NOTES ABOUT THIS BIOTYPE
April 2017 Update
Apera spica-venti
7 verified cases – all from fields in which farmers or advisors suspected resistance. The resistance factors indicate the mechanism to be enhanced metabolism. Genotyping: None of the seven ALS mutations were found in 16 populations tested. Mutations in ACCase genes were found at two positions Ile1781 and Ile 2041. The overall frequency of ALS and ACCase NTSR activity correlated well with the resistant phenotypes. Genotyping performed by Bayer CropScience. References: Babineau M.: Microevolution of ALS inhibitor herbicide resistance in loose silky bentgrass (Apera spica-venti). PhD dissertation, Department of Agroecology, Aarhus University, January 2017. Babineau M., Mahmood K., Mathiassen S.K., Kudsk P., Kristensen M. (2017): De novo transcriptome assembly analysis of weed Apera spica-venti from seven tissues and growth stages. BMC Genomics, vol. 18, 128, 06.02.2017 Babineau M., Solvejg K. Mathiassen, Michael Kristensen, Niels Holst, Roland Beffa and Per Kudsk (2017): Spatial Distribution of ALS Resistance Mechanisms in Neighboring Populations of Apera spica-venti. Accepted for publication in Weed Science, March 2017
ACADEMIC ASPECTS
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ACKNOWLEDGEMENTS