近年来,黄花梨、柚木、檀香、红豆杉等南方主要珍贵树种病虫害有所发生,为此,笔者根据南方主要珍贵树种常见病虫害的发生情况提出了针对性的防治方法,以供参考。一、黄花梨。1.黑痣斑病。一般为害叶片、小枝及果荚等,在雨季迅速蔓延,严重时整个叶 In recent years, pear, teak, sandalwood, yew and other major southern species of pests and diseases have occurred, therefore, the author based on the occurrence of common pests and diseases of the major precious species in the South put forward targeted prevention and control methods for reference. First, pear. 1. Black mole spot. Common damage leaves, twigs and pods, etc., spread rapidly in the rainy season, severe when the entire leaf