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Table 4 One-way ANOVA of Stomatal Criteria of Ocimum basilicum under Drought and mycorrhiza

From: Mycorrhizal impact on Ocimum basilicum grown under drought stress

Parameter Growth stage Soil field capacity
100% 70% 40%
Guard cell length (mm) (Adaxial side of lamina) Seedling 0.0298 ± 0.0002b (0.0300 ± 0.0000b)ns 0.0275 ± 0.0000b (0.0279 ± 0.0004b)ns 0.0210 ± 0.0017a (0.0240 ± 0.0008a)ns
  Vegetative 0.0317 ± 0.0004c (0.0328 ± 0.0000)* 0.0290 ± 0.0000b (0.0296 ± 0.0000a)ns 0.0246 ± 0.0004a (0.0250 ± 0.0000a)ns
  Flowering 0.0335 ± 0.0000a (0.0346 ± 0.0004c)* 0.0306 ± 0.0000a (0.0312 ± 0.0000b)ns 0.0253 ± 0.0000a (0.0253 ± 0.0000a)ns
  Fruiting 0.0354 ± 0.0004c (0.0383 ± 0.0008c)* 0.0321 ± 0.0002b (0.0329 ± 0.0004b)ns 0.0279 ± 0.0004a (0.0302 ± 0.00017a)*
Guard cell length (mm) (Abaxial side of lamina) Seedling 0.0283 ± 0.0008b (0.0300 ± 0.0000c)ns 0.0267 ± 0.008ab (0.0275 ± 0.000b)ns 0.0230 ± 0.0008a (0.0240 ± 0.0008a)ns
  Vegetative 0.0294 ± 0.0005c (0.0348 ± 0.0000c)ns 0.0294 ± 0.0000b (0.0308 ± 0.0008b)ns 0.0255 ± 0.0008a (0.0269 ± 0.0000a)ns
  Flowering 0.0321 ± 0.00017c (0.0375 ± 0.00017c)* (0.0321 ± 0.0000b) (0.0323 ± 0.0000b)ns 0.0281 ± 0.0008a (0.0298 ± 0.0000a)ns
  Fruiting 0.0384 ± 0.0003c (0.0408 ± 0.0005c)* 0.0348 ± 0.0001b (0.0362 ± 0.0005b)ns 0.0305 ± 0.00029a (0.0327 ± 0.00017a)*
Stomatal pore width (mm) (Adaxial side of lamina) Seedling 0.0075 ± 0.0000b (0.0075 ± 0.0000b)ns 0.0054 ± 0.0004a (0.0063 ± 0.0000b)ns 0.0048 ± 0.0002a (0.0050 ± 0.0000a)ns
  Vegetative 0.0075 ± 0.0000b (0.0075 ± 0.0000a)ns 0.005 ± 0.0000a (0.0063 ± 0.0000a)ns 0.0048 ± 0.00017a (0.0050 ± 0.0000a)ns
  Flowering 0.0075 ± 0.0000c (0.0075 ± 0.0000a)ns 0.0057 ± 0.0001b (0.0063 ± 0.0000a)* 0.0050 ± 0.0000a (0.0052 ± 0.0000a)ns
  Fruiting 0.0079 ± 0.0004b (0.0095 ± 0.0004c)* 0.0068 ± 0.0002b (0.0075 ± 0.0000b)ns 0.0051 ± 0.0000a (0.0061 ± 0.0002a)*
Stomatal pore width (mm) (Abaxial side of lamina) Seedling 0.0075 ± 0.0000a (0.0075 ± 0.0000b)ns 0.0050 ± 0.0000a (0.0067 ± 0.0004b)ns 0.0050 ± 0.0000a (0.0050 ± 0.0000a)ns
  Vegetative 0.0075 ± 0.0000a (0.0075 ± 0.0000b)ns 0.0063 ± 0.0000a (0.0067 ± 0.0004b)ns 0.0050 ± 0.0000a (0.0050 ± 0.0000a)ns
  Flowering 0.0075 ± 0.0000c (0.0100 ± 0.0000a)ns 0.0066 ± 0.0003b (0.0075 ± 0.0000a)* 0.0051 ± 0.0000a (0.0052 ± 0.0000a)ns
  Fruiting 0.0098 ± 0.0002c (0.0100 ± 0.0000c)ns 0.0075 ± 0.0000b (0.0085 ± 0.0003b)ns 0.0051 ± 0.0000a (0.0058 ± 0.0004a)ns
Stomatal spacing (mm) (Adaxial side of lamina) Seedling 0.10938 ± 0.00322a (0.0912 ± 0.0022a)* 0.0786 ± 0.00182b (0.0658 ± 0.00167b)* 0.0593 ± 0.00044c (0.0475 ± 0.00144c)ns
  Vegetative 0.0942 ± 0.00417a (0.0733 ± 0.00083a)* 0.0731 ± 0.00098b (0.0617 ± 0.00083b)* 0.0534 ± 0.00175c (0.0471 ± 0.0011 c)*
  Flowering 0.0914 ± 0.00074a (0.0842 ± 0.00083a)* 0.0697 ± 0.00148b (0.0599 ± 0.00152b)* 0.0503 ± 0.00148c (0.0417 ± 0.00083c)*
  Fruiting 0.09 ± 0.00144a (0.0725 ± 0.00144a)* 0.0671 ± 0.00182b (0.0587 ± 0.00073b)* 0.0498 ± 0.0013c (0.0367 ± 0.0022 c)*
Stomatal spacing (mm) (Abaxial side of lamina) Seedling 0.0939 ± 0.00145a (0.0828 ± 0.00148a)* 0.0695 ± 0.00153b (0.0579 ± 0.0011b)* 0.0485 ± 0.00176c (0.0383 ± 0.00083c)*
  Vegetative 0.0896 ± 0.0015a (0.0738 ± 0.0026a)* 0.0633 ± 0.00159b (0.0570 ± 0.0012b)* 0.0458 ± 0.0022a (0.0343 ± 0.00167c)*
  Flowering 0.0857 ± 0.00205a (0.0632 ± 0.00093a)* 0.0599 ± 0.0022b (0.0527 ± 0.00098b)ns 0.0456 ± 0.00156c (0.0332 ± 0.0022c)*
  Fruiting 0.0717 ± 0.00093a (0.0639 ± 0.00074a)* 0.0542 ± 0.0022b (0.0481 ± 0.00098b)ns 0.0404 ± 0.0015c (0.0303 ± 0.00157c)*
Stomatal density (number per mm2) (Adaxial side of lamina) Seedling 19.6296 ± 0.93208a (23.3827 ± 1.09731a)* 28.3951 ± 1.23457b (35.8025 ± 1.23457b)* 39.5062 ± 1.23457c (46.9136 ± 1.23457c)*
  Vegetative 25.2469 ± 0.61728a (27.3333 ± 0.0000a)* 33.0247 ± 0.98765b (40.1235 ± 0.61728b)ns 47.5309 ± 0.61728c (55.9259 ± 0.37037c)*
  Flowering 29.284 ± 1.23457a (30.7901 ± 0.53814a)* 38.5802 ± 0.24691b (43.8889 ± 1.06917b)* 52.267 ± 1.9931c (60.4321 ± 0.53814c)*
  Fruiting 33.5432 ± 0.32664a (32.7531 ± 0.12346a)* 43.4691 ± 0.44513b (49.6667 ± 0.21383b)* 59.1221 ± 1.58395c (68.963 ± 0.42767c)*
Stomatal density (number per mm2) (Abaxial side of lamina) Seedling 16.7901 ± 1.07627a (23.0864 ± 0.53814a)* 27.1605 ± 1.23457b (41.9753 ± 1.23457b)* 45.6790 ± 1.23457c (54.321 ± 1.23457c)*
  Vegetative 22.4444 ± 0.64150a (26.2593 ± 0.85533a)* 34.9383 ± 0.49383b (47.7531 ± 0.96423b)* 52.716 ± 0.53814c (58.5185 ± 0.42767c)*
  Flowering 28.4691 ± 0.24691a (31.0741 ± 1.1315a)* 49.6296 ± 0.21383b (54.9753 ± 0.65327b)* 81.5272 ± 1.9931c (92.0123 ± 0.53814c)*
  Fruiting 30.2469 ± 0.32664a (34.0741 ± 0.42767a)* 54.4074 ± 0.21383b (59.2469 ± 0.32664b)* 90.5235 ± 0.91449c (99.6914 ± 0.2469c)*
  1. Values of parameters in parentheses correspond to the application of mycorrhiza. Values in a row with different superscript letters are significantly different at P < 0.05. *Significant effect of mycorrhiza application at each soil field capacity at P < 0.05 according to t-test. ns: non-significant effect of mycorrhiza application at each soil field capacity at P < 0.05 according to t-test