Maturity days

Plant height

Tillers plant−1

Spike length

Grains spike−1

Seed index

Harvest index

Grain yield

Maturity days

1.00

Plant height

0.83

1.00

Tillers plant−1

0.72

0.92

1.00

Spike length

0.65

0.68

0.85

1.00

Grains spike−1

0.77

0.85

0.88

0.95

1.00

Seed index

0.66

0.86

0.78

0.87

0.94

1.00

Harvest index

0.74

0.92

0.86

0.93

0.97

0.91

1.00

Grain yield

0.85

0.94

0.96

0.95

0.97

0.95

0.97

1.00