What was the first weed to be found with resistance?

The first weed to be documented with evidence of resistance was indeed Wild Carrot, identified in 1956. This was a significant moment in agricultural history, as it marked the beginning of awareness that certain plant species could develop resistance to herbicides, leading to challenges in weed management. Wild Carrot's resistance highlighted the necessity for farmers and agronomists to adapt their weed control strategies, as reliance on a single mode of action could lead to resistance development.

Understanding this history is crucial for those in Integrated Pest Management, as it illustrates the importance of monitoring for resistance and employing diverse management practices to prevent or delay resistance in weed populations. The resistance seen in Wild Carrot paved the way for ongoing research and adaptation in agricultural practices to ensure effective weed management.