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JIPB 第67卷5期封面故事 I n ancient China, the phoenix symbolized auspiciousness, and acted as a conduit for manifesting blessings, operating similarly to a nanocarrier's targeted delivery system. In the cover, a “ nanocarrier ”, represented as a phoenix, transports “ RNAi ” soldiers who use their sharp spears to precisely target and control plant pathogens . Xing et al. (pages 1223–1245) provides a detailed summary of the characteristics of various types of nanocarriers and their capabilities in delivering RNAi to prevent and control plant diseases. 近年来，RNA干扰 (RNA interference, RNAi) 技术控制植物病虫害已经受到研究者们广泛地关注，并在2024年度被《Science》杂志评为十大科学突破之一。RNAi农药通过特异性干扰病原微生物或害虫的关键表达基因，从而实现精准防控，是一种环境友好型的生物农药。尽管RNAi农药应用前景十分广泛，但仍面临诸多挑战。其中，RNA的稳
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