Are herbicide mixtures unaffected by resistance? A case study with Lolium rigidum

Dr Roberto Busi

This study provides examples showing that target-site resistance to POST herbicides and non-target-site resistance to PRE herbicides can be overcome by offering direct evidence across many L. rigidum populations screened. Evolved resistance to binary herbicide mixtures in individual plants may require the accumulation of multiple traits (at least two genetic traits) conferring resistance to each herbicide component applied at the maximum recommended dosage.

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DK‐RIM: Assisting Integrated Management of Lolium multiflorum, Italian Ryegrass

The bio‐economic decision support system, DK‐RIM (Denmark‐Ryegrass Integrated Management), was developed to assist integrated management of L. multiflorum in Danish cropping systems, based on the Australian RIM model. Find out more about this latest publication.

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Reducing the risks of herbicide resistance: Best management practices and recommendations

Jason Norsworthy in field

Herbicides are the foundation of weed control in commercial crop-production systems. However, herbicide-resistant (HR) weed populations are evolving rapidly as a natural response to selection pressure imposed by modern agricultural management activities.

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