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湿地松(Pinus elliottii E.)、火炬松(Pinus taeda Linn)原产美国东南部,七十年代初我国南方各省进行引种试验,由于湿地松、火炬松具有生长迅速,树干通直以及抗松毛虫等特性,所以在我省各地普遍受到欢迎。但随着较大面积人工纯林的出现,病害也逐渐发生,为了弄清我省湿地松和火炬松病害种类及发病情况,自1982年以来我们先后到庆元县林场、龙泉县林场、建德县建德林场、临海县林场等20个林场进行了调查。发现我省湿地松、火炬松的主要病害有以下几种:
Pinus elliottii E. and Pinus taeda Linn originated in the southeastern United States. In the early 1970s, the introduction test was conducted in the southern provinces of our country. Because of the rapid growth of Pinus elliottii and Pinus taeda Linn, And so on, so in our province generally welcomed. However, with the emergence of a large area of artificial pure forest, the disease also gradually occurred. In order to understand the species and incidence of Pinus elliottii and Pinus Pine in our province, we have visited Qingyuan County Forest Farm and Longquan County Forest Farm since 1982 De County, Jiande Forest Farm, Linhai County Forest Farm 20 were investigated. Found in our province pine, loblolly pine the main diseases are the following: