Mapping QTL for Root and Shoot Morphological Traits in a Durum Wheat × T. dicoccum Segregating Population at Seedling Stage
Table 2
Phenotypic variations among the parental lines and RILs from the “Simeto” × “Molise Colli” population for the shoot and root traits.
Trait
Units
“Molise Colli”
“Simeto”
Mean
Min.
Max.
Range
±SD
CV (%)
H
LSD0.05
DAS
Days
23.30
22.80
24.70
19.80
34.00
14.30
2.70
11.00
0.35
4.22
PH
cm
60.90
39.40
53.40
36.20
71.20
35.00
8.10
15.20
0.76
6.09
Shoots
N
1.75
1.00
1.58
1.00
2.25
1.25
0.38
24.35
0.29
0.66
SDW
mg
212.90
162.60
221.70
121.00
380.90
260.00
56.50
25.50
0.63
0.06
RDW
mg
46.70
33.90
51.50
13.50
106.60
93.10
18.30
35.50
0.27
0.03
L
cm
1317.20
1096.20
1355.00
377.20
2439.40
2062.10
395.40
29.20
0.35
616.70
SA
cm2
135.40
108.10
128.20
33.90
234.00
200.20
40.30
31.40
0.47
52.30
D
mm
0.33
0.31
0.30
0.23
0.38
0.15
0.03
9.10
0.08
0.07
F
N
4546.25
3270.00
5352.22
994.00
12172.75
11178.75
2352.46
43.95
0.34
3747.18
V
cm3
1.12
0.86
0.99
0.25
2.22
1.96
0.36
36.50
0.45
0.48
T
N
1860.30
1513.80
1990.10
679.00
3303.80
2624.80
597.50
30.00
0.35
929.20
Min.: minimum value; max.: maximum value; SD: standard deviation; CV: coefficient of variation; H: broad sense heritability; LSD: least significant difference; DAS: days after sowing; PH: plant height; shoots: number of shoots per plant; SDW: shoot dry weight; RDW: root dry weight; L: length; SA: surface area; D: diameter; F: number of forks; V: volume; T: number of tips.
