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Concentration of the target compounds in rapeseed root exudates from HPLC.
| Compound | Calibration curve | Concentration (μg/mL) ± standard error (SE) |
|---|---|---|
| 2-Butenoic acid | Y = 0.0206x - 6.8416, R2 = 0.9971 | 0.76 ± 0.32 |
| Benzothiazole | Y = 0.0122x - 2.2555, R2 = 0.9997 | 10.02 ± 2.45 |
| 2-(Methylthio)benzothiazole | Y = 0.0240x - 1.3610, R2 = 0.9999 | 7.14 ± 2.67 |
| 1-(4-ethylphenyl)-ethanone | Y = 0.0181 + 1.0301, R2 = 0.9999 | 2.18 ± 0.97 |
| 4-Methoxyindole | Y = 0.0125x - 3.9263, R2 = 0.9988 | 56.54 ± 10.28 |
