| CK | Cytokinin |
| KT | Kinetin |
| AVG | Aminoethoxyvinylglycine |
| XTH | Xyloglucan endotransglucosylase/hydrolase |
| SAMS | S-adenosyl-L-methionine synthetase |
| ACC | 1-aminocyclopropane-1-carboxylic acid |
| ACS | 1-aminocyclopropane-1-carboxylic acid synthase |
| ACO | 1-aminocyclopropane-1-carboxylic acid oxidase |
| Z | zeatin |
| DZ | dihydrozeatin |
| SE | Standard error |
| NS | No significance |
| iP | isopentenyladenine |
| ND | below detection limits |
| CKX | Cytokinin oxidase dehydrogenase |
| IPT | Isopentenyltransferase |
| DMSO | Dimethyl sulfoxide |
| FW | Fresh weight |
| qRT-PCR | Quantitative real-time PCR |