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湿地松原产美国东南部,从南卡罗来纳州到佛罗尼达州中部,即北纬28°10’-33°30’,垂直分布在海拔600米以下.我国在三十年代开始引进、四十年代大量引种,分别于南方各省育苗造林。我省近几年引进栽植,早期生长快,木材质量好,干形通直园满,抗病和适应性强,松脂产量高,是我省南部荒山、坡地造林树种之一。目前种子很缺,年年靠进口,还是满足不了需要,直接影响荒山绿化速度。为了解决种原不足,近两年不少林场、苗田采用湿地
Slash pine originating in the southeastern United States, from South Carolina to central Florida, that latitude 28 ° 10’-33 ° 30 ’, vertically distributed below 600 meters above sea level in China began to introduce the thirties, a large number of the forties Introduction, respectively, in the southern provinces nursery afforestation. In recent years, the introduction of planting in our province, early rapid growth, good quality timber, stem straight through the park full, disease resistance and adaptability, high yield of pine resin, is the southern province of barren hills, slope afforestation one. At present, the seeds are scarce, and they are imported annually or can not meet the needs, which directly affects the afforestation speed of barren hills. In order to solve the original shortage, in the past two years, many forest farms, Miao Tian wetlands