It indicated that pine slash is the intermediate zone for dispersion and spread of PWD, therefore improving sanitary condition of pine forest, technique of felling and handling slashes scientifically is one of important measures for the disease control.

• 由此可见，松树采伐剩余物是松材线虫病扩散流行的一个重要的中间环节，改善松林卫生状况，规范松林采伐技术，科学处理剩余物是抑制松材线虫病扩散和流行的重要环节和措施。