松针褐斑病[Lecanosticta acicola(Thm)Sydow]是松树危险性病害之一。国内主要危害南方诸省大面积引种栽培的湿地松和火炬松。该病发生普遍,危害严重,可致林分毁灭。以吉安地区为例,到目前为止,全区仅湿地松松针褐斑病发生面积就达15000余亩,并且正在进一步扩展,不少植株已罹病死亡。幼林受害尤为严重。我国湿地松种源除少数国产以外,大都为七十年代以后从美国南部进口的种子。1978年首先发现该病的福建是用进口种子 Lecanosticta acicola (Thm) Sydow is one of the pine diseases. Most of the major domestic hazards in the southern provinces of the introduction of large-scale cultivation of Pinus elliottii and loblolly pine. The disease is widespread, serious harm, can cause destruction of the forest. In Ji’an, for example, up to now, the area has only reached more than 15,000 mu in patches of Pinus tabulaeformis brown spot, and is being further expanded. Many plants have died from the disease. Young forest victims are particularly serious. Except for a few domesticated species of Pinus elliottii, most of them are seeds imported from the southern United States after the seventies. Fujian first discovered the disease in 1978 with imported seeds