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中文摘要：
综述了近年来植物诱导抗虫性和抗病性的最新研究发展，及相关的信号转导途径．虫害诱导的挥发性物质在调节植物-害虫-天敌三营养关系中具有重要的作用．诱导抗病的重要机制是产生植保素，与植物共生的菌根真菌也能诱导植物抗病并且累积植保素．对植物自身抗性机理的深入研究将为合理制定作物病虫害控制策略，培育广谱持久抗性的作物新品种奠定基础．利用植物自身抗性控制作物病虫害是最理想的选择．
英文摘要：
This paper reviewed new advances in plant induced disease and insect defense, and their involved signal transduction pathways. Herbivore-induced plant volatiles play a vital role in mediating tritrophic interactions among host plants, herbivores and herbivore natural enemies. One of the most important mechanisms of induced disease defense is the induction of the production of phytoalexins. Mycorrhizas, the symbiotic relationships between fungi and plant roots, also induce plant disease defense and phy- toalexin accumulation. In-depth research on plant induced defense mechanisms will lay a good foundation for establishing optimal strategies of disease and pest control and breeding new crop varieties with broad and sustainable resistance. An ideal approach to control pests and disease of crops is to use plant self-defense system.
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