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Molecular Plant Breeding 2011, Vol.2, No.13, 92
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95
Table 3 The QTL identified of plant height in DH population
Location
Year
Chromosome Position
Marker & interval
LOD
Additive
Varience (%)
Beijing
2007
1AL
1BS
2AL
2DL
3BL
3BL
3DL
3DL
4B
6AL
6B
6BL
7AL
49.73
28.54
88.08
19.35
0.01
30.22
0.01
22.25
23.76
2.01
22.17
60.17
49.47
gwm135
-
wmc20
wmc406
-
gwm413
gwm986
-
gwm294
gwm320
-
gwm301
gwm181
-
gwm247
gwm247
-
gwm340
gwm341
-
gwm456
gwm456
-
wmc533
barc163
-
gwm495
barc3
-
barc107
gwm508
-
barc14
barc14
-
gwm58
wmc17
-
barc121
4.61
5.04
7.32
5.95
15.83
10.89
4.86
6.22
5.46
6.68
10.52
5.74
5.55
9.61
-
6.34
-
8.56
8.70
-
12.85
9.44
8.12
-
12.36
7.28
6.83
11.72
-
9.64
10.56
2.36
2.12
4.56
2.58
9.19
4.53
2.06
3.51
2.54
3.11
4.45
2.91
5.9
Funan
2007
1BS
2AL
3BL
3BL
3DL
6B
6BL
7BS
28.54
82.08
0.01
30.22
22.25
22.17
60.17
6.01
wmc406
-
gwm413
gwm986
-
gwm294
gwm181
-
gwm247
gwm247
-
gwm340
gwm456
-
wmc533
gwm508
-
barc14
barc14
-
gwm58
barc1005-wmc338
5.0
6.6
15.95
10.74
4.76
8.3
5.45
5.18
-
7.74
-
9.25
-
16.19
11.46
-
13.22
12.76
-
11.52
-
8.43
2.11
3.33
9.64
4.45
2.69
3.53
2.78
2.91
Beijing
2008
2BS
5AS
6BL
6BL
7AS
7AL
7BL
7BL
7DS
6.01
16.01
60.17
92.85
30.01
78.38
46.51
93.81
36.01
wmc154
-
gwm429
gwm443
-
gwm205
barc14
-
gwm58
barc24
-
barc247
wmc405
-
wmc17
barc121
-
wmc607
gwm297
-
wmc476
wmc76
-
wmc517
gwm44
-
gwm437
5.92
6.47
6.88
7.91
5.14
6.43
5.39
5.71
5.70
3.40
-
3.46
-
5.67
-
4.97
3.35
-
4.17
-
4.58
4.69
-
4.27
3.50
3.00
3.45
3.12
2.31
3.69
3.68
3.47
2.87
Funan
2008
2BS
5AS
6BL
6DS
7BL
7BL
7BL
7DS
4.01
0.01
92.85
20.01
44.51
84.91
91.81
0.01
wmc154
-
gwm429
barc351
-
gwm186
barc24
-
barc247
cfd42
-
barc27
gwm297
-
wmc476
wmc396
-
wmc76
wmc76
-
wmc517
gwm44
-
gwm437
5.41
7.12
9.19
5.50
6.75
8.20
12.20
5.66
4.15
-
4.31
-
6.04
5.17
-
5.60
6.68
7.76
-
3.62
3.16
3.05
3.70
4.54
4.29
4.74
7.50
2.35
minor QTLs have not detected due to testing error and
personal error; fourthly, mathematical model and
statistical method for QTL mapping affected
efficiency of QTL detected.
QTLs of plant height with different researcher
detected are different, Repeatability of these QTLs are
unstable in different combinations and environment
due to a large number of gene loci and their alleles.
Meanwhile, different genetic materials with different
genes and genetic background will lead to quite
detected QTLs, but the major QTL is stable. In
addition, the group size also affects the efficiency of
QTL detection. The effects of molecular marker’s
segregation distortion are reduced in larger groups,
with the error of the phenotypic data reduced, which
thus leads to the increase of the accuracy of QTL
localization. While the small groups can reveal certain
genetic characteristics, but test results were affected
due to the emergence of molecular data deviation.