Hybrid Vigor and Heritability Estimates in Tomato Crosses Involving Solanum lycopersicum × S. pimpinellifolium under Cool Tropical Monsoon Climate

Table 3

Estimates of the better parent (BP) and midparent (MP) heterosis for the floral traits of F₁ hybrids of tomatoes.

Crosses

Heterosis

DFA (%)

D50A (%)

NFlPT (%)

TNFl PP (%)

NAFl PP (%)

FlL (%)

FlW (%)

SlL (%)

SlD (%)

OL (%)

OD (%)

OA (%)

OP (%)

SgL (%)

SgD (%)

H × W

BP

26.2

24.8

−39.2

−81.2

61.1

−4.1

−36.8

14.0

−17.1

−25.0

4.7

30.3

23.9

28.0

37.8

D × W

BP

−4.4

−1.8

−26.6

−73.8

17.1

1.8

8.4

52.5

22.4

44.8

17.5

149.0

57.1

32.1

70.9

T × W

BP

22.7

18.2

−48.5

−82.5

83.4

−5.1

−31.6

13.1

2.6

−25.0

16.0

69.8

28.0

25.9

37.7

U × W

BP

−3.8

−1.8

−23.5

−72.6

60.1

7.7

8.4

49.2

42.1

25.0

37.3

88.0

38.2

46.6

86.6

H × W

MP

7.6

9.5

−22.3

−65.7

21.8

−13.7

−30.1

−15.0

−24.1

−8.5

−19.9

58.6

29.7

3.0

−9.9

D × W

MP

3.0

6.0

−14.3

−55.5

8.0

−35.3

−33.2

−36.9

−13.1

−9.2

−39.0

−30.1

−11.1

−27.2

−16.7

T × W

MP

7.4

7.8

−31.7

−67.6

26.4

−12.3

−17.7

−13.0

19.1

−8.9

−8.2

15.7

12.3

−10.6

5.8

U × W

MP

5.1

6.1

−11.7

−54.1

21.8

−34.4

−32.2

−35.3

17.4

−4.8

−7.6

−10.1

−0.5

−3.0

−6.1

W: wild parent (“LA2093”); H: CLN2714H; D: CLN2498D; T: Tima; U: UC dan INDIA; DFA: days to first anthesis; D50A: days to 50% anthesis; NFlPT: number of flowers per truss; TNFlPP: total number of flowers per plant; NAFlPP: number of aborted flowers per plant; FlL (mm): flower length; FlW (mm): flower width; SlL (mm): style length; SlD (mm): style diameter; OL (mm): ovary length; OD (mm): ovary diameter; OA (mm²): ovary area; OP (mm): ovary perimeter; SgD (mm): stigma diameter; SgL (mm): stigma length; : significant at 5% level of significance; : significant at 1% level of significance.