橡胶树条溃疡主要是由棕榈疫霉菌(Phy-tophthora palmivora Butler)引起的一种割面病害,由于分布广、为害严重,已成为橡胶树主要的真菌病害之一。国外虽然很早就认识到防治条溃疡具有重大的经济意义,但几十年来经济而有效的防治工作进展不大。直至最近才提出一些比较有效的新的药剂和处理方法,可以减轻发病率,但远远不能把病害彻底 A rubber tree ulcer is a cut disease mainly caused by Phy-tophthora palmivora Butler, which has become a major fungal disease of the rubber tree due to its widespread distribution and serious damage. Although foreign countries have long recognized the great economic significance of the prevention and cure of ulcers, their economic and effective prevention and control work has not progressed much in recent decades. Until recently, some new and effective medicaments and treatment methods were proposed to reduce the incidence but far from being able to completely cure the disease