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Construction of a wild ramie germplasm gene bank in Yichun A total of 185 wild ramie germplasm gene banks with different latitudes, different altitudes, different ecological environments, and different fertility characteristics were collected and preserved in Yichun City, Jiangxi Province. The "Chinese wild ramie collection, collation and research", which was listed as a project of the National Natural Science Foundation of China, was completed by an expert from the Jiangxi Institute of Hemp Science and Research within eight years. The expert group headed by Lai Zhanyi’s research team collected wild ramie germplasm from the altitude of 300 meters to 2400 meters from the south of Sanya, Hainan, to Lantian in the north, Xishuangbanna in the west, and Xishuangbanna in the east to Hangzhou, Zhejiang Province in the east. 265 copies. By ecology and botany classification, 185 were reserved, belonging to 24 species and 6 varieties, and geographical distribution maps and elevation distribution maps of wild ramie in China, as well as fertility characteristics and economics of wild ramie varieties in different geographical environments were mapped out. Sex. The completion of this project has laid a solid foundation for the protection of the wild ramie resources, the artificial cultivation of new ramie varieties, and the industrial development of ramie resources in China. Ricinus communis originated in China, known as "king of natural fibers" and "Chinese grass", is a high quality textile raw material. Since ancient times, China has had the history of using ramie as a raw material for textiles. In the new century, linen has become more important to the world textile industry. Since the 1980s, due to population growth and changes in the natural environment, many species of wild ramie are on the verge of extinction. Wild ramie has high-quality genes such as cold-tolerance, drought-tolerance, insect resistance, disease resistance, lodging resistance, and apomixis, which are not cultivated by ramie. The experts of Jiangxi Maike Institute used molecular biological technology to extract the dominant genes in wild ramie and graft them into artificially cultivated ramie to cultivate new varieties with high quality, high yield, disease resistance and strong adaptability. Leading level. The newly-established wild ramie germplasm gene bank in China has broken through the obstacles to the preservation of wild ramie in different places, and integrates scientific research, ecology, and appreciation.