| Abbrev | Name |
|---|---|
| Armv | Arrhennatherium mosaic virus |
| Stm | Aphid (Sitobion miscenthi Takahashi) |
| Ant | Anthracnose (Dicladium graminicola Cesati) |
| Aau | Anisoplia austriaca Hrbst. |
| Aag | Anisoplia agricola Poda. |
| Al | Aluminium |
| Atn | Alternaria leaf blight(spot)(A.triticina Prasada&Pr.,A.alternata) |
| Alk | Alkaline |
| Agmv | Agropyron mosaic virus |
| As | Acid soil |