火炬松 (ＰｉｎｕｓｔａｅｄａＬ .)原产美国东南部 ,为美国东南部的主要造林树种。我国引种火炬松已有 6 0多年的历史。山东崂山、昆仑山、蒙山等地均有小面积造林。我市自1992年开始通过山东省林业厅大批从美国进口种子育苗造林 ,引种获得成功 ,并创下千克种子产苗 380 0 0余 Pinus taeda (Pinus taeda L.) native to the southeastern United States, is the main afforestation species in the southeastern United States. China introduced loblolly pine has more than 60 years of history. Shandong Laoshan, Kunlun Mountains, Mengshan and other places have a small area afforestation. Since 1992, our city has successfully imported seeds from the United States through a large number of seedlings from the Forestry Department of Shandong Province. The introduction of seedlings has achieved a success and hit 380,000 kilograms of seedlings