Chlorophyll content (p g * g-1) of Quercus robur ‘Fastigiata’ leaves 90 and 135 day after budbreak (ABB) as affected by commercial biostimulants.
| 1999 | 2000 | |||
|---|---|---|---|---|
| Chlorophyll 90 ABB | Chlorophyll 135 ABB | Chlorophyll 90 ABB | Chlorophyll 135 ABB | |
| Mycobacter | 13.85 a* | 17.71 | 14.99 a | 16.09 |
| Root Grow | 13.83 a | 17.73 | 14.25 a | 16.57 |
| Control | 12.66 b | 16.45 | 12.90 b | 15.25 |
| p-value | 0.000 | 0.097 | 0.000 | 0.150 |
↵* Means with different letters are significantly different at p ≤ 0.05 (year 2).