| 
   
  | Incubation duration |  | Controls | salicylic acid concentration (mg/L) |  
  | 50 | 200 | 400 | 800 | 1000 |  
  | 1h | M ± SD | 259±1 | 264 ± 1 | 267 ± 1 | 269 ± 4 | 264 ± 1 | 271 ± 4 |  
  | p | - | 0,4 | 0.009 | 0.02 | 0.3 | 0.01 |  
  | 3h | M ± SD | 259 ± 1 | 270 ± 1 | 270 ± 1 | 271 ± 1 | 272 ± 6 | 273 ± 1 |  
  | p | - | 0.01 | 0.01 | 0.01 | 0.02 | < 10-3 |  
  | 24h | M ± SD | 260 ± 1 | 326 ± 1 | 358 ± 1 | 372 ± 1 | 384 ± 1 | 386 ± 3 |  
  | p | - | < 10-3 | < 10-3 | < 10-3 | < 10-3 | < 10-3 |  
  | 1 Week | M ± SD | 259 ± 1 | 335 ± 9 | 364 ± 8 | 376 ± 6 | 395 ± 4 | 398 ± 7 |  
  | p | - | < 10-3 | < 10-3 | < 10-3 | < 10-3 | < 10-3 |  |