Table 6 Coefficients of correlation (r) between growth, yield and disease incidence in ginger varieties at Teppi, Ethiopia, during the 2017 main cropping season

Boziab

Yield (t ha⁻¹)

1

Finger per rhizome

0.71**

1

Plant height

0.94**

0.75**

1

Tiller per plant

0.78**

0.65**

0.89**

1

FDI (135 DAP)

− 0.90**

− 0.73**

− 0.84**

− 0.61**

1

FDI (150 DAP)

− 0.91**

− 0.75**

− 0.86**

− 0.64**

0.98**

1

Local

Yield (t ha⁻¹)

1

Finger per rhizome

0.76**

1

Plant height

0.88**

0.62**

1

Tiller per plant

0.81**

0.66**

0.70**

1

FDI (135 DAP)

− 0.88**

− 0.62**

− 0.89**

− 0.74**

1

FDI (150 DAP)

− 0.92**

− 0.64**

− 0.93**

− 0.76**

0.98**

1