橡胶叶病概况在马来西亚,严重影响成龄胶树的生势和产量的主要叶病是白粉病、炭疽病和疫霉病。此外,南美叶疫病可能传入的威胁也与日俱增。幸好该病仍局限于热带中、南美洲 Rubber leaf disease profile In Malaysia, the major leaf diseases that severely affect the growing potential and yield of adult gum trees are powdery mildew, anthracnose and phytophthora. In addition, threats of possible introduction of leaf blight in South America are also increasing. Fortunately, the disease is still confined to the tropics, South America