广东省惠州市在开展松材线虫病工程治理的实践中,紧紧抓住了准确有效的监测疫情这一关键,取得显著的防治效果。他们的主要做法是:一、熟悉本地区的基本情况。第一步,把本地区所要开展监测的寄主树分布情况调查清楚,特别是胸径在15厘米以上的成熟林和过熟林分布,要在1/50000的地 Huizhou City, Guangdong Province in the implementation of pine wilt disease management practice, firmly grasp the accurate and effective monitoring of the epidemic this key, and achieved significant results. Their main approach is: First, familiar with the basic situation in the region. The first step is to survey the distribution of the host trees in the area that need to be monitored. In particular, the distribution of mature forests and mature forests with DBH above 15 cm should be in the range of 1/50000