Table 2 Phenotypic(rp) (above diagonal) and Genotypic(rg) (below diagonal) correlation coefficients in F2, F3, and F4 generations between all pairs of studied traits.

From: Evaluation of genetic gains of some quantitative characters in Egyptian cotton cross (Giza 86 × Menoufi) under water deficit stress

Character

Generation

LY/P (g)

B/P

BW (g)

S/B

SI (g)

LP%

LI (g)

UI%

FL (mm)

PI

MR

LY /P (g)

F2

 

0.943**

0.310**

0.282**

− 0.023

0.215**

0.151**

F3

0.969**

0.268**

0.453**

− 0.167*

0.195**

− 0.072

− 0.062

0.046

− 0.075

0.132*

F4

0.657**

0.388**

0.414**

− 0.125

0.543**

0.350**

0.149

0.504**

− 0.314*

− 0.015

B/P

F2

0.936**

 

0.065

0.091

− 0.06

0.070

0.004

F3

0.975**

0.063

0.418**

− 0.268**

0.099

− 0.240**

− 0.066

0.001

− 0.006

0.051

F4

0.662**

− 0.137

0.187

− 0.170

− 0.025

− 0.196

0.318*

0.550**

0.192

− 0.005

BW (g)

F2

0.331**

0.038

 

0.676**

0.218**

0.099*

0.261**

F3

0.205

0.015

0.185**

0.606**

− 0.060

0.610**

0.142*

0.239**

− 0.219**

0.296**

F4

0.476*

− 0.252

0.085

0.402**

0.270*

0.532**

− 0.083

0.195

− 0.348**

0.324*

S/B

F2

0.396**

0.249**

0.393**

 

− 0.433**

0.036

− 0.339**

F3

0.507**

0.545**

− 0.311**

− 0.632**

0.211**

− 0.548**

− 0.203**

− 0.159*

− 0.093

0.070

F4

0.520*

0.230

0.010

− 0.804**

0.409**

− 0.313*

0.056

0.245*

− 0.057

− 0.031

SI (g)

F2

− 0.240**

− 0.316**

0.297**

− 0.897**

 

− 0.260**

0.642**

F3

− 0.184

− 0.299**

0.787**

− 0.803**

− 0.411**

0.811**

0.274**

0.277**

− 0.011

0.096

F4

− 0.138

− 0.204

0.465*

− 0.957**

− 0.350**

0.489**

− 0.144

− 0.172

0.009

0.343**

LP%

F2

0.284**

0.085

0.221**

0.189**

− 0.354**

 

0.642**

F3

0.225*

0.136

− 0.12

0.419**

− 0.489**

0.162*

− 0.093

− 0.014

− 0.295**

0.215**

F4

0.625**

− 0.117

0.263

0.524*

− 0.408*

0.638**

− 0.010

0.118

− 0.717**

− 0.272*

LI (g)

F2

0.117*

− 0.151**

0.483**

− 0.441**

0.331**

0.768**

 

F3

− 0.094

− 0.290*

0.871**

− 0.656**

0.869**

− 0.007

0.211**

0.257**

− 0.213**

0.250**

F4

0.420*

− 0.343

0.593*

− 0.419*

0.505*

0.574*

− 0.105

− 0.019

− 0.617**

− 0.043

UI%

F3

− 0.076

− 0.085

0.196

− 0.304**

0.308**

− 0.127

0.268*

 

0.582**

0.053

0

F4

0.118

0.323

− 0.075

0.087

− 0.178

− 0.057

− 0.190

0.531**

0.142

− 0.087

FL

F3

0.071

0.015

0.336**

− 0.183

0.291*

− 0.057

0.268*

0.590**

 

0.123

− 0.122

F4

0.528*

0.605**

0.356

0.425*

− 0.195

0.131

− 0.031

0.449*

0.247*

− 0.026

PI

F3

− 0.084

− 0.001

− 0.295**

− 0.14

− 0.01

− 0.372**

− 0.252*

0.067

0.128

 

− 0.909**

F4

− 0.446*

0.255

− 0.602**

0.126

0.014

− 1.002**

− 0.883**

0.307

0.316

0.016

MR

F3

0.148

0.046

0.411**

0.122

0.101

0.282*

0.300**

0.005

− 0.155

− 0.927**

 

F4

− 0.013

0.011

0.447*

− 0.093

0.349

− 0.273

− 0.038

− 0.089

0.019

0.189

  1. * and ** mean significant at 0.05 and 0.01 levels of probability, respectively.