نبذة مختصرة : Due to the rapidly changing climate and increasingly restrictive regulations on the use of pesticides, there is an urgent need to discover and develop new and more sustainable strategies of crop protection that meet the present and future needs of a growing world population. Fundamental research on plant-microbe and plant-insect interactions – both pathogenic and beneficial – is of key importance to gain a better molecular, physiological and ecological understanding of these complex interactions and so generate the tools necessary to develop new crop protection strategies. Induced resistance (IR) develops after treatment of plants with pathogens, pests, beneficial microorganisms, chemical agents, physical wounding, or herbivory. Plants exposed to such stimuli increase their level of basal resistance against future attacks compared to non-stimulated plants. IR is often based on a priming of basal defense mechanisms, which enables a faster and/or stronger defense response upon secondary challenge. Given its long-lasting nature and broad-spectrum effectiveness, IR has long been recognized for its value in integrated pest and disease management approaches. This Research Topic highlights the latest advances in research on IR and priming presented at the IOBC-PR-IR2022 conference in Sheffield, UK, from 4th to 7th April 2022, which is organized by the working group of the International Organization for Biological Control. In addition to reviewing the scientific significance of this work, we discuss future challenges in IR research and the potential application of IR in future crop protection strategies.
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