The proliferation and differentiation of rhizomes are crucial for the propagation Cymbidium species. We systematically assessed effects different concentrations 20 amino acids on C. goeringii rhizomes. Rhizome rates were significantly higher in media with 2.0 mmol·L −1 cysteine, 0.5 arginine, 0.2 asparagine, 1.0 proline, lysine compared those control. Additionally, tyrosine, aspartate beneficia...