| Abbreviation | Meaning |
| EC50 | 50% effective concentration |
| EPA | Environmental protection agency |
| GI | Germination index |
| M | N,N′-Methylenebisacrylamide |
| M-ALA | M-alanine-derived polyamidoamine |
| M-ARG | M-arginine-derived polyamidoamine |
| M-CYSS | M-cystine-derived polyamidoamine |
| M-GLU | M-glutamic acid-derived polyamidoamine |
| M-GLY | M-glycine-derived polyamidoamine |
| M-GLY50-CYSS50 | M-glycine-cystine-derived polyamidoamine |
| M-LEU | M-leucine-derived polyamidoamine |
| M-SER | M-serine-derived polyamidoamine |
| PAA | Polyamidoamine |
| REACH | Regulation, evaluation, authorization, and restriction of chemicals |
| RRG | Relative radicle growth |
| RSG | Relative seed germination |
| SG% | Seed germination percentage |