The Herbicide Resistance Action Committee (HRAC) is an international body founded by the agrochemical industry as part of the GCPF organization.
The aims of HRAC have the general purpose of supporting a cooperative approach to the management of herbicide resistance.
HRAC is keen to support the establishment of a worldwide herbicide resistance database. With this aim in mind, HRAC is supporting the worldwide survey of resistant weeds initiated by the Weed Science Society of America. The International Survey of Herbicide-Resistant Weeds is being conducted by Ian Heap and is located at http://www.weedscience.com/