Application of marigold in prevention and control of TSWV or tomato spotted wilt virus

The invention discloses application of marigold to prevention and control of TSWV (Tomato Spot Wilt Virus) or tomato spotted wilt virus, and belongs to the technical field of plant epidemic disease prevention and control. The invention provides application of marigold to prevention and control of TSWV or tomato spotted wilt virus, and provides a method for preventing and controlling TSWV or tobacco spotted wilt virus based on the new application. The method for preventing and controlling the TSWV or the tobacco tomato spotted wilt virus disease comprises the step of planting marigold and tobacco together. A large number of field trials prove that the TSWV or tomato spotted wilf virus disease morbidity or disease index of the TSWV or tomato spotted wilf virus cooperative planting plot is remarkably reduced compared with a conventional tobacco planting plot. 本发明"万寿菊在防控TSWV或番茄斑萎病毒病方面的用途"属于植物疫病防控技术领域。本发明提供万寿菊在防控TSWV或番茄斑萎病毒病方面的用途，并基于该新用途提供一种防控TSWV或烟草番茄斑萎病毒病的方法。所述一种防控TSWV或烟草番茄斑萎病毒病的方法包括：将万寿菊和烟草一起种植。本发明通过大量田间试验证实万寿菊