| PCD | Programmed cell death |
| ts | Tasselseed |
| Tu | Tunicate |
| ZMM19 | MADS-box developmental regulator |
| SE | Standard error |
| t | Ton |
| ha | Hectare |
| AATP | Annual average precipitation and temperature |
| masl | Meters above sea level |
| m | Meter |
| cm | Centimeter |
| kg | Kilogram |
| mm | Millimeter |
| UAEH | Universidad Autónoma del Estado de Hidalgo |
| ESAp | Escuela Superior de Apan |