Table 1 Mean, standard deviation (SD), broad sense heritability (H2), and combined analysis of variance based on studied traits in 286 Iranian wheat landraces and cultivars and 6 environments.

From: Dissection of the genetic basis of genotype-by-environment interactions for grain yield and main agronomic traits in Iranian bread wheat landraces and cultivars

Abb

Trait

Group

Mean

SD

H2

Mean squares

Env

Rep (Env)

Gen

Env × Gen

GY

Grain yield (g/plant)

Total

1.802

0.892

0.418

***

**

***

***

Landrace

1.713

0.869

0.354

***

*

***

***

Cultivar

1.982

0.912

0.312

***

**

***

***

GN

Grain number

Total

38.72

10.82

0.696

*

***

***

***

Landrace

36.64

10.19

0.594

**

***

***

***

Cultivar

42.97

10.85

0.628

*

***

***

*

SW

Spike weight (g)

Total

2.102

0.651

0.679

***

***

***

***

Landrace

2.013

0.659

0.629

***

*

***

***

Cultivar

2.284

0.594

0.597

**

*

***

*

PH

Plant height (cm)

Total

100.4

19.34

0.788

**

***

***

***

Landrace

104.4

19.02

0.703

**

***

***

***

Cultivar

92.03

17.22

0.788

**

***

***

***

  1. *, ** and *** are significant at the probability level of 5%, 1% and 0.1%, respectively.