A joint initiative between IRAC International and IRAC Brazil, to formulate an IRAC ‘Task Team’ to specifically address insecticide resistance concerns in Brazilian corn, cotton and soybean crops. The workshop was held in the Brazilian capital city, bringing together representatives from major companies, grower and crop advisor representatives, university experts and governmental representatives to discuss
The use of IRAC Group 4 nicotinic acetylcholine receptor agonists (nAChR) has grown considerably since the introduction of the neonicotinoid insecticide imidacloprid, which was commercialized in 1991. The ten insecticides are classified in four sub-groups 4A-4D. The updated guidelines include a table showing the latest resistance status to the neonicotinoid insecticides.
The popular IRAC Mode of Action Classification mini-booklet and the poster showing the chemical structures has been updated and reprinted. The previous printed editions related to earlier version of the classification scheme but these latest editions are based on the most recent classification version 7.3. In addition the format and layout has been improved and
Information from Dupont on triflumezopyrim, their new mesoionic insecticide for control of rice hoppers, has been reviewed by the IRAC MoA WG and a classification to Group 4E agreed. The first registration for triflumezopyrim is expect in 2015 after which the active will be include in the IRAC MoA Classification Scheme. Meanwhile a new appendix
Chemical insecticides can be applied to conventional and transgenic crops expressing insecticidal proteins. When conducting a pest management program, it is important to take into account IRM considerations for both the transgenic trait (i.e. refuge adoption) and the chemistries being employed (both foliar applied and seed treatments). The IRAC Statement lists the key factors that should
The IRAC Sucking Pest Working Group has just published an updated version of their poster titled “Major mechanisms of insecticide resistance in green peach aphid Myzus persicae Sulzer“. The sections on the poster include, enhanced expression of esterases, MACE (modified acetylcholinesterase), nAChR target-site resistance, kdr (knock-down resistance) and resistance management guidelines.
IRAC held their 49th International Spring Meeting at the Hamner Conference Center, Research Triangle Park, NC hosted by BASF and Bayer CropScience on 17-20 March 2014. There were 9 sessions held over the 4 days including various working group planning meetings, a meeting of the IRAC Executive, and an “International Day” with four invited guest
The latest issue of the IRAC MoA Classification (ver. 7.3) has now been released and posted on the MoA Team page of the website. Changes include the renaming of a couple of groups/sub-groups (Group 9 is now “Modulators of Chordotonal Organs” and Subgroup 8D is now “Borates”) and the addition of flupyradifurone into a new
The IRAC International Plant Biotechnology Committee has just published two position papers for insect resistance management in transgenic crops. The papers, available on the IRAC website, are titled: “Seed Blends for Resistance Management of Insect-Protected Transgenic Crops” and “IRM for Transgenic Crops in Small-Holder Agricultural Systems”
An easy to use database that allows you to identify all insecticides in any given mode of action group. The app allows the user to filter and search by either MoA group or insecticide and is free to download from the iTunes Apple Store or the Google Play Store. Suitable for use with tablets and