Table 3.
Strigolactone content analyzed by UHPLC-ESI–MS/MS
| Cultivar | Strigol | Solanacol | Orobanchol | Sorgomol | Sorgolactone | 4-DO | 5-DS | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| E | R | E | R | E | R | E | R | E | R | E | R | E | R | ||
| Oryza sativa L. | Shiokari | – | – | – | – | 0.20 (± 11) | – | – | – | – | – | 2.03 (± 5) | 7.79 (± 9) | – | – |
| IR 64-21 | – | – | – | – | LOD | – | – | – | – | – | 0.59 (± 12) | – | – | – | |
| APO | – | – | – | – | – | – | – | – | – | – | LOD | – | – | – | |
| Sorghum bicolor | Shanqui red | 0.44 (± 16) | – | – | – | 0.02 (± 16) | – | – | – | 0.02 (± 10) | – | – | – | 1.62 (± 22) | 1.03 (± 8) |
| SRN 39 | 0.04 (± 19) | – | – | – | 9.65 (± 18) | 4.42 (± 10) | 0.44 (± 13) | LOD | 0.09 (± 15) | – | – | – | 0.004 (± 36) | – | |
| Pisum sativum L. | Sprinter | – | – | – | – | 0.27 (± 11) | 1.31 (± 17) | – | – | – | – | – | – | – | – |
| RoR12 | – | – | – | – | 0.11 (± 18) | 1.37 (± 13) | – | – | – | – | – | – | – | – | |
| Solanum Lycopersicum L. | MoneyMaker | – | – | 1.26 (± 17) | 2.26 (± 5) | 0.83 (± 18) |
1.08 (± 8) |
– | – | – | – | – | – | – | – |
Concentrations levels of endogenous strigolactones per gram of fresh root weight, analyzed in root exudates (E) and root tissue (R) of different plant species and varieties
LOD level on limit of detection, – not detected
aValues are means (± RSD, %, n = 4)