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Table 1 Shannon-Weaver index (H′) estimated on the 304 Tunisian durum wheat accessions for five regions and for three climate stages

From: Morphological characterization and genetic diversity analysis of Tunisian durum wheat (Triticum turgidum var. durum) accessions

  

Phenotypic traits

  

SS

SL

AL

SC

NS

GlC

GN

GSp

GSz

GC

AC

SD

Mean H′

Collection

 

0.86

0.98

0.79

0.53

0.83

0.84

0.69

0.87

0.94

0.86

0.64

0.74

0.80

Regions

Sousse

0

0

0

0

0

0

0

0

0

0

0

0

0.00

Mahdia

0.52

0.99

0.56

0.00

0.63

0.48

0.62

0.63

0.48

0.74

0.73

0.65

0.58

Kairouan

0.85

0.98

0.57

0.48

0.96

0.97

0.62

0.98

0.88

0.75

0.12

0.70

0.74

Gabes

0.44

0.49

0.50

0.25

0.63

0.50

0.57

0.56

0.43

0.73

0.61

0.65

0.53

Medenine

0.60

0.71

0.86

0.53

0.59

0.53

0.78

0.86

0.63

0.62

0.71

0.47

0.66

Mean

0.54

0.69

0.55

0.30

0.61

0.55

0.55

0.65

0.56

0.62

0.47

0.53

0.55

Climate stages

LSA

0.48

0.00

0.92

0.63

0.61

0.41

0.62

0.61

0.62

0.74

0.67

0.79

0.59

MA

0.68

0.38

0.80

0.87

0.62

0.56

0.70

0.88

0.54

0.89

0.71

0.65

0.69

HA

0.85

0.48

0.97

0.58

0.96

0.96

0.63

0.98

0.88

0.75

0.12

0.68

0.74

Mean

0.67

0.29

0.90

0.69

0.73

0.64

0.65

0.82

0.68

0.79

0.50

0.71

0.67

  1. SS spike shape, SL spike length, AL awn length, SC spike color, NS number of spikelets/spike, GlC glume color, GN number of grains/spikelet, GSp grain shape, GSz grain size, GC grain color, AC awn color, SD spike density, LSA Low Semi-Arid (Sousse and Mahdia), MA Mid-Arid (Gabes and Medenine), HA Higher-Arid (Kairouan)