Legume Genomics and Genetics 2015, Vol.6, No.4, 1-7
2
BC
1:1
and F
1
takes second rank for AIL. F
1
exhibited
superiority over rest five generations for NPBP, NSBP,
NPP, BYP and SYP. However, F
2
, BC
1:1
and BC
1:2
exhibited inferiority over both parents and F
1
.
Likewise in cross II (Meha/ DMS 01-34-2), BC
1:2
was
found superior for DFFO, NPP, NSP, HI and SYP over
rest five generations. P
1
was noted as superior for DM
and PH, whereas P
2
showed superiority for NSBP. The
F
1
mean was found greater for NMS with short AIL,
SI and BYP. BC
1:1
and F
1
takes second rank for AIL.
F
1
exhibited superiority over rest five generations for
NPBP, NSBP, NPP, BYP and SYP. However, F
2
, BC
1:1
and BC
1:2
exhibited inferiority over both parents and
F
1
. The maximum mean value was exhibited by BC
1:2
for HI and SYP, however F
1
mean for HI and SYP
were recorded smaller than the F
2
and both backcross
generations but greater than the both parents.
Significance of epistasis was detected by both type of
(scaling and joint scaling) tests, are presented in Table
2. Barring some exceptions (NMS & NSP in Meha/
DMS 03-17-2 and NSBP & NMS in Meha/ DMS
01-34-2) these test revealed the presence of one or
more kinds of epistatic effects were detected for all the
agro-morphological traits. Estimates of gene effects
with SE of the fitted models for fourteen agro-morp
-hological traits for both crosses are summarized in
Table 3. For clear understanding of direction of
generation components involved in inheritance of
fourteen agro-morphological traits studied, the shaded
matrix is developed and presented as Figure 1. The
mean [m] effect was found significant for all the
twelve agro-morphological traits under study in both
crosses
Table 1: Mean performance of P
1
, P
2
, F
1
, F
2
, B
1:1
and B
1:2
generations for fourteen agro-morphological traits in cross
Meha/ DMS 03-17-2 and Meha/ DMS 01-34-2
P
1
P
2
F
1
F
2
BC
1.1
BC
1.2
Cross I (Meha/ DMS 03-17-2)
DFFO
33.67 ± 0.18
32.67 ± 0.23
32.33 ± 0.49
30.67 ± 0.37
30.33 ± 0.09
29.00 ± 0.15
DM
65.00 ± 0.30
65.67 ± 0.23
61.00 ± 0.15
66.33 ± 0.13
63.00 ± 0.30
64.00 ± 0.15
PH
31.47 ± 0.40
39.27 ± 0.71
42.53 ± 0.84
35.85 ± 0.41
35.87 ± 0.88
36.80 ± 0.92
NPBP
3.87 ± 0.16
2.97 ± 0.21
4.30 ± 0.18
3.74 ± 0.07
2.63 ± 0.12
3.90 ± 0.27
NSBP
4.47 ± 0.18
4.27 ± 0.18
4.57 ± 0.17
3.46 ± 0.11
3.57 ± 0.19
3.23 ± 0.27
NMS
10.13 ± 0.25
10.43 ± 0.21
10.10 ± 0.23
10.52 ± 0.13
11.00 ± 0.26
10.87 ± 0.30
AIL
3.16 ± 0.09
3.80 ± 0.10
4.31 ± 0.15
3.49 ± 0.06
3.31 ± 0.11
3.45 ± 0.11
NPP
16.80 ± 0.89
12.60 ± 0.58
24.97 ± 1.44
15.47 ± 0.62
15.60 ± 0.85
13.87 ± 1.19
PL
7.54 ± 0.17
7.68 ± 0.14
7.32 ± 0.11
7.12 ± 0.06
6.92 ± 0.17
7.03 ± 0.17
NSP
11.96 ± 2.27
11.53 ± 2.80
11.83 ± 1.45
11.45 ± 2.60
10.47 ± 3.15
11.50 ± 2.67
SI
4.12 ± 0.03
5.18 ± 0.03
5.18 ± 0.05
4.22 ± 0.05
4.92 ± 0.08
3.72 ± 0.06
BYP
21.00 ± 0.74
20.83 ± 0.82
28.77 ± 1.27
16.74 ± 0.65
19.73 ± 1.14
18.03 ± 1.37
HI
27.09 ± 0.83
34.88 ± 1.84
34.46 ± 1.06
27.96 ± 0.72
30.71 ± 1.34
33.25 ± 2.07
SYP
5.64 ± 0.23
7.48 ± 0.59
9.96 ± 0.54
5.08 ± 0.30
6.29 ± 0.61
5.83 ± 0.59
Cross II (Meha/ DMS 01-34-2)
DFFO
34.67 ± 0.09
30.33 ± 0.09
31.33 ± 0.09
35.33 ± 0.07
31.33 ± 0.23
30.33 ± 0.09
DM
61.00 ± 0.69
66.67 ± 0.46
66.00 ± 0.26
69.33 ± 0.07
64.33 ± 0.32
65.00 ± 0.30
PH
30.90 ± 0.49
40.00 ± 0.60
34.63 ± 0.64
33.25 ± 0.33
35.13 ± 0.83
33.20 ± 0.65
NPBP
3.17 ± 0.25
2.53 ± 0.19
4.00 ± 0.23
3.39 ± 0.09
4.63 ± 0.19
4.23 ± 0.15
NSBP
3.13 ± 0.14
3.87 ± 0.3
3.60 ± 0.5
3.54 ± 0.10
3.57 ± 0.24
3.83 ± 0.28
NMS
10.70 ± 0.24
10.63 ± 0.20
12.43± 0.37
11.50 ± 0.12
11.77 ± 0.36
11.37 ± 0.38
AIL
2.92 ± 0.07
3.80 ± 0.10
2.87 ± 0.11
2.95 ± 0.04
3.06 ± 0.12
3.04 ± 0.11
NPP
18.60 ± 0.68
17.33 ± 0.64
20.27 ± 0.71
22.58 ± 1.01
19.73 ± 0.79
24.07 ± 1.14
PL
6.96 ± 0.14
7.66 ± 0.14
7.65 ± 0.16
7.72 ± 0.06
7.82 ± 0.17
7.74 ± 0.15
NSP
11.27 ± 0.31
11.27 ± 0.26
11.67 ± 0.21
11.22 ± 0.12
11.97 ± 0.25
12.03 ± 0.24
SI
5.26 ± 0.03
5.18 ± 0.06
5.38 ± 0.03
4.20 ± 0.01
4.88 ± 0.06
4.48 ± 0.11
BYP
22.67 ± 0.57
21.10 ± 0.66
27.60 ± 0.58
22.81 ± 0.82
24.80 ± 0.52
26.53 ± 1.18
HI
24.59 ± 0.51
30.08 ± 0.89
31.98 ± 0.66
30.35 ± 0.69
34.64 ± 1.31
37.64 ± 1.42
SYP
5.57 ± 0.17
6.42 ± 0.35
8.79 ± 0.21
7.42 ± 0.39
8.75 ± 0.49
10.19 ± 0.63
Note: Abbreviations are given in materials and methods