苎麻无性繁殖,是保持种性的有效方法。长期以来,国内外均以地下茎切段和切块直接栽植,或利用成熟地上茎切段扦插和水插等方法进行无性繁殖。但繁殖系数低,且影响老麻园生产收益。近十年来,国内不少学者又先后研究、推广了细切种根、离体压条、嫩枝、茎梢带叶水插、砂 Asexual reproduction of ramie is an effective way to maintain the sex. For a long time, both domestic and foreign direct planting of cuttings and cuttings of underground stems, or the use of mature shoots cuttings and water cuttings and other methods of asexual reproduction. However, the reproductive coefficient is low, and the income of the old mahjong production is affected. Over the past decade, many domestic scholars have studied and promoted the fine cuttings, in vitro pressure strips, shoots, shoots with leaf water plug, sand