Table 1 Comparison of morphological characters between B. juncea inbred lines and reciprocal F1 hybrids during 50% flowering stage

From: Heterotic patterns of primary and secondary metabolites in the oilseed crop Brassica juncea

Trait

Estimate of MPH

LC for MPH

Pair wise LC

Average parent LC

EH2 × V

V × EH2

EH2 × V

V × EH2

EH2 × V vs. EH2

EH2 × V vs. V

V × EH2 vs. EH2

V × EH2 vs. V

EH2 vs. V

PH

9.34

13.92

**

**

–

h**

h*

h**

h**

LL

11.33

23.97

*

**

h*

h*

h**

h**

–

PL

–5.03

17.91

0.854

0.056

l*

h**

–

h**

h**

LW

5.54

20.58

0.329

**

–

h**

–

h**

h**

NN

8.11

4.50

0.072

0.287

–

h**

–

h*

h**

LML

14.01

24.96

**

**

h**

–

h**

h**

l*

PB

–1.12

–5.62

0.928

0.328

–

–

–

–

–

SB

5.93

26.48

0.536

**

–

–

h**

–

l*

MSL

–10.91

0.31

*

0.843

–

l**

–

–

l*

NSM

–0.71

5.26

0.748

0.147

l**

h**

l*

h**

h**

SLMS

30.79

–9.77

0.664

0.664

l**

l**

h**

l**

l**

SD

7.69

1.92

0.204

0.540

l*

h**

l**

h**

h**

Overall pattern

  

8 ad

4 nad

7 ad

5 nad

     
  1. *p ≤ 0.05; **p ≤ 0.01; “–” non-significant (one-way ANOVA); direction of relationship denoted by “h” and “l” (h = respective trait mean is high in first genotype, l = respective trait mean is low in first genotype)
  2. MPH mid-parent heterosis, LC linear contrast, PH plant height, LL leaf length, PL petiole length, LW leaf width, NN number of nodes, LML lamina length, PB primary branches, SB secondary branches, MSL main shoot length, NSMS no. of siliques on main shoot, SLMS silique length on main shoot, SD silique density/unit length of main shoot, ad additive inheritance; nad non-additive inheritance
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