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用秋水仙碱处理牛膝萌芽种子,得到染色体数目加倍的变异株。它的根部肥大、木质化少,比正常株产量增加一倍以上。
Treating the germinated seeds of Achyranthes bidentata with colchicine gave a mutant that doubles the number of chromosomes. Its roots hypertrophy, less lignification, more than double the production of normal strains.