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一、前言湿地松(Pinus elliottii Engelin)原产北美东南部的南卡罗来纳州、佛罗里达州及路易斯安那州等地,分布在海拔100米以下的平原、溪旁低湿地、沙洲及沼泽地,是美国南方的主要树种之一。我国曾于1946年引入一批种子,1947年分别在江苏、安徽、湖北、江西、浙江、福建及广东等省播种。江西省在南昌莲塘、吉安青原山两地育苗,青原山于1948年
I. Introduction Pinus elliottii Engelin is native to South Carolina, Florida and Louisiana in southeastern North America. It is distributed in plains, low-lying brooks, sandbanks and swamps below 100 meters above sea level in the United States One of the main species in the South. China introduced a number of seeds in 1946 and sown in Jiangsu Province, Anhui Province, Hubei Province, Jiangxi Province, Zhejiang Province, Fujian Province and Guangdong Province in 1947 respectively. Jiangxi Province in Nanchang Liantang, Ji’an Qingyuan mountain nursery, Qingyuan Hill in 1948