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Table 2 Mean (± SE) concentrations of individual stilbenoids (µg/g FW) in healthy or RKN-infected roots

From: Grapevine (Vitis spp.) rootstock stilbenoid associations with host resistance to and induction by root knot nematodes, Meloidogyne incognita

     O39-16 Freedom   F-statistic  
Stilbenoid type Putative name Year Week Control RKN Control RKN Cultivar Inoculation Interaction
Monomer Piceatannol 2015 6 17.6 ± 6.5 37.3 ± 17.0 12.5 ± 3.6 19.0 ± 4.0 1.521 1.912 0.490
    12 15.5 ± 2.7 75.6 ± 27.8 11.9 ± 2.9 17.6 ± 0.8 4.839* 5.502* 3.756
   2016 6 17.5 ± 4.0 35.0 ± 8.5 36.7 ± 6.0 30.2 ± 18.5 1.588 0.954 4.509
    12 26.4 ± 3.0 36.2 ± 11.8 31.8 ± 1.1 39.9 ± 3.7 0.337 1.709 0.001
  Resveratrol 2015 6 301 ± 99 1170 ± 660 105 ± 29 131 ± 43 3.383 1.770 1.567
    12 100 ± 27 738 ± 486 106 ± 13 111 ± 40 1.625 1.737 1.686
   2016 6 216 ± 27 323 ± 151 299 ± 79 192 ± 22 0.078 0.000 1.520
    12 281 ± 88 490 ± 226 204 ± 25 252 ± 14 1.659 1.112 0.434
Dimer Ampelopsin A 2015 6 250 ± 51 265 ± 62 204 ± 44 281 ± 72 0.055 0.512 0.241
    12 255 ± 51 314 ± 67 235 ± 28 228 ± 28 1.211 0.293 0.469
   2016 6 451 ± 59 480 ± 45 408 ± 77 304 ± 36 3.804 0.449 1.393
    12 578 ± 47 307 ± 22 288 ± 26 324 ± 29 17.527** 13.049** 22.154***
  Ampelopsin D /quadrangularin A 2015 6 11.9 ± 3.8 24.6 ± 9.5 21.8 ± 4.6 27.8 ± 4.3 1.206 2.435 0.309
    12 10.2 ± 1.8 38.3 ± 13.0 23.3 ± 1.7 26.1 ± 1.4 0.005 5.356* 3.620
   2016 6 26.7 ± 7.5 32.0 ± 9.8 51.1 ± 3.7 51.7 ± 1.3 11.509** 0.209 0.133
    12 28.3 ± 5.4 30.0 ± 6.3 52.1 ± 6.9 58.6 ± 17.6 6.430* 0.156 0.054
  ε-viniferin 2015 6 350 ± 33 212 ± 88 218 ± 63 174 ± 56 1.833 2.092 0.567
    12 267 ± 91 223 ± 23 131 ± 9 181 ± 40 3.024 0.004 0.836
   2016 6 387 ± 55 372 ± 47 274 ± 49 234 ± 27 7.544* 0.360 0.076
    12 379 ± 9 214 ± 51 248 ± 18 331 ± 73 0.022 0.828 7.445*
  Pallidol 2015 6 69.5 ± 10.5 84.6 ± 20.7 182 ± 6 184 ± 40 20.386*** 0.135 0.077
    12 61.3 ± 10.2 80.5 ± 18.4 141 ± 19 177 ± 32 17.415*** 1.737 0.165
   2016 6 86.0 ± 18.6 127 ± 15 122 ± 13 149 ± 6 4.433 5.890* 0.255
    12 125 ± 18 104 ± 17 162 ± 20 197 ± 43 6.069* 0.070 1.112
  ω-viniferin 2015 6 247 ± 49 208 ± 26 83.4 ± 16.6 97.0 ± 21.7 20.006*** 0.175 0.739
    12 358 ± 30 304 ± 43 103 ± 9 105 ± 13 68.739*** 0.930 1.029
   2016 6 363 ± 51 459 ± 28 298 ± 75 204 ± 16 11.045** 0.001 3.911
    12 528 ± 46 312 ± 17 196 ± 14 241 ± 12 57.218*** 10.148** 23.936***
Trimer α-viniferin 2015 6 33.1 ± 2.4 27.9 ± 5.6 32.7 ± 5.8 36.8 ± 8.1 0.532 0.008 0.631
    12 41.2 ± 5.8 42.1 ± 5.1 62.9 ± 2.9 63.4 ± 4.2 21.407*** 0.026 0.003
   2016 6 78.8 ± 5.5 63.2 ± 2.9 82.6 ± 6.9 99.5 ± 16.2 4.615 0.005 3.036
    12 53.3 ± 2.4 61.2 ± 5.5 74.5 ± 6.5 96.1 ± 5.5 28.269*** 7.844* 1.661
  Miyabenol C 2015 6 6.39 ± 1.42 11.2 ± 7.4 148 ± 22 169 ± 24 53.106*** 0.411 0.165
    12 6.62 ± 0.90 19.2 ± 4.9 187 ± 9 189 ± 29 101.094*** 0.171 0.096
   2016 6 69.8 ± 52.5 11.1 ± 2.8 190 ± 60 219 ± 18 16.031** 0.128 1.155
    12 8.67 ± 1.30 11.3 ± 2.1 216 ± 15 235 ± 1 805.294*** 1.923 1.094
Tetramer Hopeaphenol 2015 6 246 ± 45 176 ± 19 875 ± 224 1032 ± 300 15.514** 0.053 0.362
    12 352 ± 36 266 ± 41 884 ± 112 879 ± 167 30.134*** 0.189 0.149
   2016 6 596 ± 207 439 ± 19 1100 ± 230 1260 ± 120 16.355** 0.000 0.913
    12 423 ± 39 282 ± 20 1140 ± 70 1290 ± 30 388.179*** 0.159 16.672**
  Vitisin B 2015 6 81.6 ± 17.3 69.7 ± 13.1 8.79 ± 1.36 9.70 ± 2.08 50.634*** 0.345 0.468
    12 131 ± 11 104 ± 18 9.81 ± 1.12 12.2 ± 1.9 104.258*** 1.334 1.910
   2016 6 113 ± 32 162 ± 10 57.0 ± 38.1 17.3 ± 2.7 15.611** 0.033 3.044
    12 185 ± 19 105 ± 5 17.2 ± 1.4 20.1 ± 1.3 167.010*** 15.505** 17.961**
  1. *P < 0.05; **P < 0.01; ***P < 0.001