Table 3 Correlation coefficients between the main morphological characters in R. damascena genotypes

Plant height

1

Plant crown diameter

0.726^b

1

Leaf stipule length

0.129

0.082

1

Leaf stipule width

− 0.242

− 0.109

0.046

1

No. of nodes in the branch

0.799^b

0.621^b

0.214

− 0.206

1

Flower bud diameter

− 0.193

− 0.005

− 0.248

0.153

− 0.048

1

No. of main stems per plant

0.706^b

0.518^b

− 0.179

− 0.314

0.437^a

− 0.033

1

Flower bud length

0.650^b

0.488*

0.515^b

− 0.135

0.606^b

− 0.28

0.207

1

Receptacle length

0.121

− 0.037

0.277

− 0.450^a

0.342

0.092

− 0.075

0.353

1

Peduncle length

0.692^b

0.582^b

0.404^a

− 0.105

0.537^b

− 0.18

0.359

0.741^b

0.27

1

Internode length

0.517^b

0.374

0.397^a

0.255

0.606^b

− 0.248

0.106

0.586^b

0.293

0.534^b

1

Thorns density

− 0.527^b

− 0.297

− 0.430^a

0.178

− 0.411^a

0.413^a

− 0.114

− 0.803^b

− 0.481^a

− 0.783^b

− 0.530^b

1

Branches angle

0.371

0.103

0.192

0.021

0.276

− 0.083

− 0.128

0.457^a

0.451^a

0.463^a

0.507^b

− 0.545^b

1

No. of petals

− 0.325

− 0.191

− 0.258

0.482^a

− 0.313

0.141

− 0.16

− 0.578^b

− 0.414^a

− 0.480^a

− 0.212

0.434^a

− 0.165

1