Table 4 Mean values for maximum root length (rooting depth; cm), maximum root length:shoot length ratio (unitless) and total root length (cm) of the six highest (top) and six lowest (bottom) ranked wheat–alien chromosome lines along with the CS check under irrigation (control) and drought stress (water withheld for 58 d) (Experiment 2)

Top 6

TA7659

155.0 ± 3.2

164.5 ± 4.2

TA5088

3.10 ± 0.05

2.90 ± 0.11

TA5638

7643 ± 487

10,873 ± 44

TA5088

171.5 ± 6.5

161.5 ± 4.2

TA5638

2.35 ± 0.04

2.70 ± 0.06

TA5088

11,600 ± 2329

10,162 ± 51

TA5638

152.0 ± 7.0

161.0 ± 7.0

TA3586

3.15 ± 0.05

2.65 ± 0.41

TA7598

4325 ± 804

8643 ± 1312

TA7662

116.0 ± 4.0

145.0 ± 14.1

TA7594

2.60 ± 0.04

2.55 ± 0.42

TA7656

7235 ± 184

8511 ± 590

TA7657

114.5 ± 14.5

135.0 ± 7.8

TA7655

2.10 ± 0.05

2.55 ± 0.11

TA7619

3544 ± 66

8423 ± 86

TA7663

109.5 ± 11.5

133.0 ± 14.3

TA3585

3.15 ± 0.35

2.50 ± 0.14

TA7545

6042 ± 566

7840 ± 68

Bottom 6

TA5584

174.5 ± 2.4

75.5 ± 2.9

TA5584

2.75 ± 0.19

1.40 ± 0.20

TA3586

3124 ± 1608

2500 ± 308

TA5618

168.0 ± 2.0

75.5 ± 10.3

TA7663

1.25 ± 0.11

1.35 ± 0.35

TA5584

3634 ± 530

2491 ± 135

TA7600

137.0 ± 2.0

75.5 ± 8.3

TA5636

2.41 ± 0.19

1.30 ± 0.20

TA3583

5619 ± 568

2427 ± 89

TA7620

149.5 ± 23.8

74.0 ± 16.7

TA3583

2.60 ± 0.29

1.10 ± 0.40

TA5636

2873 ± 1408

2378 ± 39

TA3583

159.0 ± 23.8

71.0 ± 5.7

TA7620

2.25 ± 0.37

1.05 ± 0.15

TA7616

4385 ± 1324

2198 ± 105

TA5639

152.50 ± 2.4

58.5 ± 20.1

TA5639

2.21 ± 0.11

0.95 ± 0.45

TA5599

6147 ± 412

1826 ± 258

Check (CS)

TA3008

151.0 ± 24.5

124.0 ± 4.9

TA3008

2.36 ± 0.15

2.20 ± 0.16

TA3008

4195 ± 336

3768 ± 822

LSD (Genotype)

28.8

0.55

1368

LSD (Genotype x Stress)

5.8

0.11

276