International Journal of Horticulture 2015, Vol.5, No.17, 1
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7
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Table 2 Estimate of general combining ability effects of parents for 8 characters measured on tomato combined across locations
Parents
Plant height at
60 DAT (cm)
Weight of fruits
per plant (kg)
Number of leaves
at 60 DAT
Number of fruits
per plant
Number of flower
cluster
Trichome count
Percentage
damaged fruits
Number of days to
final harvest
Testers
Cherry
9.44**
0.65
11.98**
17.02*
5.50**
0.45
- 0.81
15.62**
Currant
9.55**
0.92*
11.18**
17.27*
5.03**
0.42
- 1.35
13.80*
S.E. ±
3.28
3.45
10.44
1.42
0.18
1.11
1.48
Lines
UC28B
0.41
0.13
3.86
16.30*
1.22*
0.18
- 1.23
0.04
Roma VF
1.24*
0.02
5.69
11.61
2.25*
0.05
- 0.81
- 4.71
Golden Roma
1.30*
- 0.25
- 4.03
- 13.73
- 3.45**
- 0.16
0.22
2.71
Rio Grandei
2.06*
0.26
- 7.93
- 23.84*
- 2.53**
- 0.38
3.54
- 4.04
S.E ±
1.29
2.11
8.6
15.12
1.11
2.00
5.00
6.21
*=Significantly different at 5% level of probability
**=Significantly different at 1% level of probability
Table 3 Estimates of Heterosis (%) hybrids over higher-parent for agronomic characters in tomato, combined across locations
Entries
Plant height at 60
DAT (cm)
Weight of
fruits per plant
(kg)
Number of
leaves at 60
DAT
Number of fruits
per plant
Number of
flower cluster
Trichome count
Percentage
damaged fruits
Number of days to final
harvest
Cherry x UC28B
-22.32
-23.32
-12.5
-22.23
-2.71
-11.53
-80.03
1.05
Currant x UC28B
40.58
20.08
-29.25
-24.89
20.08
-11.88
-79.18
-16.27
Cherry x RomaVF
11.14
26.65
-29.25
30. 55
-5.79
-3.96
-73.35
-14.96
Currant x RomaVF
-18.96
-26.01
2.71
-32.65
2.21
-5.72
-75.83
-10.53
Cherry x GoldenRoma
- 15. 01
-48.11
-41.75
71.03
48.64
-37.49
-77.72
-1.05
Currant x GoldenRoma
12. 04
30.86
-50
-68.5
-39
-33.31
-70.91
1.2
Cherry x RioGrandei
-54.36
-21.56
58.25
83.35
-41.7
-47.84
-47.12
23.08
Currant x RioGrandei
53. 18
0.3
-66.75
-83.27
-33.32
-47.84
-31.68
23.08
