针叶褐斑病(Lecanosticta acicola)是湿地松的危险性病害之一。近几年来,福建、广西等省均有发现。1981年在本所苗圃和子代鉴定林中也发现此病。目前病害蔓延遍及这片松林,使针叶严重脱落,不少植株已枯死。为尽快地查清发病范围、探讨发病原因和规律,以便拟订措施及早进行防治,我们对汕头地区近几年来引种的其中一万多亩湿地 Lecanosticta acicola is one of the dangerous diseases of Pinus elliottii. In recent years, Fujian, Guangxi and other provinces have found. The disease was also found in the nursery and offspring identification forest in 1981. The current spread of disease throughout this piece of pine, so that the needle off seriously, many plants have died. As soon as possible to find out the scope of the incidence, explore the causes and laws of onset, in order to formulate measures to prevent and control as soon as possible, we Shantou region in recent years introduced more than 10,000 acres of wetland