Table 3 Summary of mean, ranges, F value (for genotype effect) and the heritability for 12 agronomic traits assessed in a durum wheat collection in three environments in Argentina.

From: Population structure, allelic variation at Rht-B1 and Ppd-A1 loci and its effects on agronomic traits in Argentinian durum wheat

Trait

Mean

SE

Min

Max

F value

H2

Grain yield (kg ha−1)

3581

64.24

1395.3

5393.9

14.61***

0.8

Harvest index

0.37

0.005

0.19

0.51

5.84***

0.57

Aerial biomass (g)

7.47

0.15

3.91

13.58

1.43*

0.09

Grain protein content (%)

12.35

0.11

9.46

17.45

2.36***

0.41

Plant height (cm)

92.63

0.87

78.4

139.1

12.38***

0.71

Heading date (days)

78.28

0.54

66.5

96

85.95***

0.93

Thousand kernel weight (g)

39.43

0.59

23.95

56.57

9.4***

0.79

Grain number per plant

72.28

1.52

32

133.05

3.52***

0.44

Spikes per plant

2.23

0.03

1.25

3.85

1.79**

0.26

Grain number per spike

33.37

0.38

19.74

50.79

5.55***

0.61

Grain number per spikelet

2.03

0.02

1.17

3.06

6.03***

0.58

Spikelets per spike

16.46

0.1

13.48

20.31

5.27***

0.55

  1. SE standard error, H2 broad sense heritability.
  2. *P < 0.05; **P < 0.01; ***P < 0.001.