| SAM | Shoot apical meristem |
| IM | Inflorescence meristem |
| BM | Branch meristem |
| pBM | Primary branch meristem |
| sBM | Secondary branch meristem |
| SM | Spikelet meristem |
| FM | Floret meristem |
| AM | Axillary meristem |
| TSM | Triple spikelet meristem |
| QTL | Quantitative trait loci |
| FAC | Florigen activation complex |
| SNS | Spikelet number per spike |
| CRISPR/Cas9 | Clustered regularly interspaced short palindromic repeats-associated protein 9 |