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Table 2 Effects of water stress on yield and yield components of primitive wheat (diploid and tetraploid) cultivars

From: Partial and full root-zone drought stresses account for differentiate root-sourced signal and yield formation in primitive wheat

Species Varieties Treatments Grain yield (g/plant) Above-ground biomass (g/plant) Root biomass (g/plant) Harvest index Root-to-shoot ratio
Diploid MO1 WW 2.08 ± 0.02c 5.49 ± 0.03c 0.43 ± 0.03b 0.38 ± 0.01a 0.08 ± 0.01a
FS 1.39 ± 0.05b 3.41 ± 0.06b 0.29 ± 0.03a 0.39 ± 0.02a 0.08 ± 0.01a
PS 1.11 ± 0.02a 3.04 ± 0.07a 0.21 ± 0.04a 0.37 ± 0.01a 0.07 ± 0.01a
MO4 WW 1.95 ± 0.03c 5.14 ± 0.09c 0.40 ± 0.03b 0.38 ± 0.01a 0.08 ± 0.00a
FS 1.13 ± 0.05b 2.93 ± 0.03b 0.27 ± 0.04a 0.38 ± 0.02a 0.09 ± 0.01a
PS 0.97 ± 0.05a 2.57 ± 0.10a 0.23 ± 0.03a 0.37 ± 0.01a 0.07 ± 0.01a
Tetraploid DM22 WW 3.20 ± 0.04c 6.98 ± 0.38c 0.46 ± 0.02b 0.47 ± 0.02a 0.07 ± 0.01a
FS 2.08 ± 0.04b 4.02 ± 0.11b 0.35 ± 0.03a 0.59 ± 0.01b 0.09 ± 0.01a
PS 1.87 ± 0.11a 3.16 ± 0.11a 0.28 ± 0.03a 0.62 ± 0.05b 0.09 ± 0.01a
DM31 WW 2.69 ± 0.06c 6.78 ± 0.16c 0.48 ± 0.06b 0.42 ± 0.02a 0.07 ± 0.01a
FS 2.04 ± 0.06b 4.20 ± 0.04b 0.31 ± 0.05a 0.52 ± 0.01b 0.07 ± 0.01a
PS 1.72 ± 0.02a 3.36 ± 0.02a 0.25 ± 0.04a 0.53 ± 0.01b 0.07 ± 0.01a
  ANOVA Variety *** *** * *** ns
Treatment *** *** *** *** ns
V × T * ns ns ** ns
  1. Values are mean ± SE (n = 15). Means within column having same letter are statistically similar at P < 0.05 according to Duncan’s multiple range tests. *, **, *** indicate significant at 0.05, 0.01, and 0.001, respectively