苎麻属有性繁殖即种子繁殖,是苎麻的重要繁殖方法。从效果来看,第一,繁殖系数高,投资小,成本低,一亩苗床只需一斤种子,一般能移栽18～20亩;第二,种子小,一斤种子1000多万粒,包装运输方便,有利当年换种和调种引种;第三,实生苗有强大的根系,特别是萝卜根发达,能够深入土层,获得更多水分和养分,保证地上部分旺盛生长;第四,可以避免或减少传染病菌和带进天牛等害虫为害,因而宿根年代可达数十年至百余年不败蔸。 种子繁殖也有不足之处,特别是当前有些地方苎麻品种多为杂合体,种子繁殖后代,容易产生变异,严重分离,导致产量 Ramie sexual reproduction is seed propagation, ramie is an important breeding method. From the effect point of view, the first, high reproductive coefficient, low investment, low cost, only a pound of seedlings per acre seedbed, transplanting 18 to 20 acres generally; second, the seed is small, a pound of seed more than 10 million, Third, the seedlings have a strong root system, especially radish root developed, to deep into the soil, get more moisture and nutrients to ensure that the ground part of the strong growth; Fourth, Can avoid or reduce infectious diseases and into pests and other pests damage, so the perennial up to tens of years to hundreds of years unbeaten 蔸. There are also deficiencies in seed breeding, especially in some areas where ramie varieties are mostly hybrids, seed breeding offspring, prone to mutation, severe separation, leading to yield