苎麻为异花授粉作物,目前生产上应用品种均为杂种。这些品种存在着种子繁殖分离变异、无性繁殖系数低、成本高的矛盾,所以难以迅速推广。我们认为,借鉴玉米的成功经验,筛选苎麻自交系间强优势组合,利用组合的杂交种子繁殖,是提高苎麻产量和克服这一矛盾的有效方法。但迄今国内 Ramie cross-pollination crops, the current production of hybrid varieties are used. These varieties have the seeds of breeding separation variation, asexual reproduction coefficient is low, the high cost of contradictions, it is difficult to quickly promote. We believe that drawing on the successful experience of maize and screening the superior combination of ramie inbred lines and using the hybrid seed to breed is an effective way to increase the yield of ramie and overcome this contradiction. But so far in China