|
Trait
|
Mean ± SD
|
Maximum
|
Minimum
|
Percentage difference
|
B73
|
H99
|
P value
|
|---|
|
Final leaf length (mm)
|
623.0 ± 63.6
|
789.0
|
469.0
|
41
|
624.9 ± 8.5
|
584.5 ± 6.7
|
<0.05
|
|
Final leaf weight (g)
|
4.69 ± 1.05
|
7.82
|
2.56
|
67
|
4.17 ± 0.13
|
4.32 ± 0.12
|
NS
|
|
Final leaf area (mm2)
|
80.39 ± 15.09
|
122.71
|
46.82
|
62
|
74.07 ± 2.30
|
69.81 ± 1.53
|
NS
|
|
Final leaf width (mm)
|
2.57 ± 0.31
|
3.43
|
1.61
|
53
|
2.34 ± 0.04
|
2.48 ± 0.03
|
<0.05
|
|
Leaf elongation rate (mm/h)
|
2.73 ± 0.27
|
3.46
|
2.07
|
40
|
2.93 ± 0.04
|
2.41 ± 0.03
|
<0.05
|
|
Emergence of leaf 4 (days)
|
12.44 ± 0.87
|
14.80
|
10.35
|
30
|
11.40 ± 0.07
|
12.18 ± 0.14
|
<0.05
|
|
Te (h)
|
510.5 ± 38.4
|
618.5
|
435.9
|
30
|
462.2 ± 3.7
|
519.7 ± 5.2
|
<0.05
|
|
Tm (h)
|
405.8 ± 33.9
|
499.3
|
336.3
|
33
|
363.0 ± 2.9
|
409.1 ± 4.4
|
<0.05
|
|
LED5-e (h)
|
369.7 ± 27.6
|
443.0
|
307.4
|
31
|
341.9 ± 3.5
|
381.3 ± 3.7
|
<0.05
|
|
Division zone size (μm)
|
11,082 ± 1,790
|
16,800
|
7,817
|
53
|
10,908 ± 312
|
11,650 ± 1,176
|
NS
|
|
Number of leaves at harvest
|
8.4 ± 0.6
|
9.8
|
7.2
|
27
|
9.2 ± 0.1
|
8.0 ± 0.1
|
<0.05
|
|
V-stage at harvest
|
5.0 ± 0.4
|
6.0
|
4.0
|
33
|
5.5 ± 0.1
|
4.9 ± 0.1
|
<0.05
|
|
Shoot fresh weight (g)
|
33.3 ± 7.5
|
49.9
|
19.5
|
61
|
40.6 ± 1.1
|
31.5 ± 1.2
|
<0.05
|
|
Shoot dry weight (g)
|
2.6 ± 0.6
|
4.4
|
1.7
|
63
|
3.5 ± 0.1
|
2.2 ± 0.1
|
<0.05
|
- Measurements are averages of 18–20 plants per RIL for leaf 4 emergence, of three plants per RIL for division zone size, and of six plants per RIL for all other traits. P values are for differences between B73 and H99 parents. LED
5-e
leaf elongation duration from a leaf of 5 mm until final length, NS not significant, T
e
time between sowing and reaching final length, T
m
time between sowing and reaching maximal growth rate
