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Table 5 Phenotypic (lower diagonal) and genotypic correlation (upper diagonal) matrix for recorded parameters in cross 2 (GH-Mubarak × NIAB-Kiran) in cotton grown under normal and heat stress conditions

From: Genetics of biochemical attributes regulating morpho-physiology of upland cotton under high temperature conditions

Trait

Condition

SCY

GOT

Pol Via

CMT

H2O2

POD

PRO

SCY

NS

 

0.26*

0.89**

0.28*

- 0.95**

0.98**

0.99**

HS

 

0.94**

0.97**

0.87**

- 0.92**

0.97**

0.98**

GOT

NS

0.94**

 

0.10

0.33*

- 0.95**

0.11

0.91**

HS

0.93**

 

0.95**

0.95**

- 0.98**

0.67**

0.95**

Pol Via

NS

0.98**

0.92**

 

0.30*

- 0.96**

0.97**

0.98**

HS

0.91**

0.93**

 

0.98**

- 0.94**

0.97**

0.96**

CMT

NS

0.28*

0.33*

0.29*

 

- 0.33*

0.27*

0.41*

HS

0.34*

0.28*

0.76**

 

- 0.93**

0.95**

0.47*

H2O2

NS

- 0.94**

- 0.85**

- 0.95**

- 0.33*

 

- 0.97**

- 0.99**

HS

- 0.92**

- 0.96**

- 0.93**

- 0.91**

 

- 0.92**

- 0.93**

POD

NS

0.97**

0.59*

0.96**

0.27*

- 0.96**

 

0.21*

HS

0.97**

0.96**

0.96**

0.91**

- 0.92**

 

0.39*

PRO

NS

0.96**

0.90**

0.95**

0.40*

- 0.96**

0.94**

 

HS

0.96**

0.87**

0.94**

0.46*

- 0.94**

0.36*

 
  1. **, * represent significance at P < 0.01, P < 0.05, respectively
  2. SCY seed cotton yield per plant, GOT ginning out turn, Pol Via pollen viability, CMT cell membrane thermostability, H2O2 hydrogen peroxide content, POD peroxidase activity, PRO proline, HS heat stress condition, NS normal sowing condition