Table 2 Comparison between the two reciprocal forms in generations F1 and F2 for six traits in five hybrids of A. thaliana

From: Heterosis for biomass yield and related traits in five hybrids of Arabidopsis thaliana L. Heynh

Trait

Generation

Hybrid

  

C24a × Aa-0b

C24a × Ws-2b

Ws-2a × Col-0b

Col-0a × C24b

Col-0a × Wei-0b

Flowering date (days)

F1

8.7

1.3

−0.2

−2.8

0.7

 

F2

−0.9

1.7

0.6

7.6

−0.8

Rosette diameter (cm)

F1

1.06

1.34

−0.82

0.63

0.51

 

F2

0.22

1.74

0.42

1.45

1.08

Biomass yield (g per 10 plants)

F1

0.70

3.21**

−0.36

2.56*

−0.50

 

F2

0.60

2.98*

2.53*

−0.78

2.24

Seed yield (g per 10 plants)

F1

−0.89*

0.60

−0.16

0.40

−0.27

 

F2

0.23

0.21

0.47

−0.62

0.91*

1000-seed weight (mg)

F1

−0.3

2.8

−0.5

−2.0

−0.3

 

F2

−1.5

−0.8

1.8

0.0

−1.0

No. of seeds per plant (103)

F1

−3.96

−1.08

−1.60

4.36

−2.19

 

F2

2.67

1.97

1.08

−3.16

5.28

  1. *,**Significant at P=0.05 and 0.01, respectively, using a protected LSD.
  2. a,b=P1,P2, respectively.