University of Melbourne, c/o Cooperative Research Centre for Forestry, Hobart, Australia.
New Phytol. 2010 Mar;185(4):893-908. doi: 10.1111/j.1469-8137.2009.03127.x. Epub 2009 Dec 15.
Tree resistance can be enhanced by a variety of biotic and abiotic inducers, including nonpathogenic and pathogenic microbes, and herbivores, resulting in enhanced protection against further biotic injury. Induced resistance (IR) could be a valuable tool in sustainable pest management. IR has been actively studied in herbaceous plant species, and, in recent years, in woody plant species, and is fast emerging as an intriguing, eco-friendly concept for enhancing tree resistance. However, before application of IR becomes possible, there is a need to increase our knowledge of the mechanisms of defence in forest trees. A richer understanding of these phenomena will play a critical role in developing sustainable integrated pest management strategies. This review summarizes our current knowledge of IR in forest trees, focusing on inducible defence mechanisms, systemic induction of resistance and phytohormone signalling networks. We conclude by discussing the potential advantages and limitations of applying IR-based management tools in forest systems.
树木的抗性可以通过多种生物和非生物诱导物来增强，包括非致病性和致病性微生物以及草食动物，从而增强对进一步生物损伤的保护。诱导抗性（IR）可能是可持续害虫管理的一种有价值的工具。IR 已在草本植物物种中得到积极研究，近年来在木本植物物种中也得到了迅速发展，并且作为一种增强树木抗性的有趣、环保的概念而迅速兴起。然而，在 IR 的应用成为可能之前，我们需要增加对森林树木防御机制的了解。更深入地了解这些现象将在制定可持续的综合害虫管理策略方面发挥关键作用。本综述总结了我们目前对森林树木中 IR 的认识，重点介绍了诱导防御机制、系统诱导抗性和植物激素信号网络。最后，我们讨论了在森林系统中应用基于 IR 的管理工具的潜在优势和局限性。
