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本文论述“预防为主，综合防治”植保方针的理论和实践意义，结合我国水稻病虫害综合防治２０ａ的研究进展，提出综合防治的体系特征及其五大关系：（１）有害生物的种质分化与种型演变；（２）防治体系与预警系统；（３）为害损失与防治指标；（４）多抗性品种的开拓与推广；（５）多效药剂的研究开发与应用。进而探讨ＩＰＭ与可持续性植物保护的相互关系
This paper discusses the theoretical and practical significance of “prevention first and comprehensive prevention and cure” policy of plant protection, combined with the research progress of comprehensive prevention and control of rice pests in China 20a, proposes the system characteristics of integrated prevention and control and its five major relations: (1) Species evolution; (2) prevention and control system and early warning system; (3) loss of damage and control indicators; (4) development and promotion of multi-resistant varieties; (5) research and development and application of multi-effect pharmaceuticals. Further explore the relationship between IPM and sustainable plant protection