Skip to main content

Table 4 Estimation of genetic components of variation under control and high temperature stress

From: Genetic variability predicting breeding potential of upland cotton (Gossypium hirsutum L.) for high temperature tolerance

Trait

Control

High temperature stress

GCA Var

SCA Var

Additive Var

Dominance Var

GCA Var

SCA Var

Additive Var

Dominance Var

RCI

1.900

40.92

3.80

40.92

2.261

58.03

4.522

58.03

CC

0.477

9.58

0.95

9.58

-0.152

19.69

-0.304

19.69

CT

0.019

-0.05

0.038

-0.05

0.0009

1.402

0.0018

1.402

BR

2.33

18.07

4.66

18.07

2.955

22.768

5.91

22.768

SB

0.037

5.37

0.074

5.37

-0.113

14.323

-0.226

14.323

PH

0.996

80.37

1.99

80.37

3.722

244.843

7.444

244.843

B/P

0.27

28.55

0.54

28.55

0.255

50.275

0.51

50.275

BW

0.003

0.04

0.006

0.04

0.003

0.047

0.006

0.047

SI

0.021

0.22

0.042

0.22

0.025

0.201

0.050

0.201

SCY

1.325

122.12

2.65

122.12

2.327

541.404

4.654

541.404

  1. Note: GCA General combining ability, SCA Specific combining ability, Var. Variance, RCI Relative cell injury, CC Chlorophyll contents, CT Canopy temperature, BR Boll retention, B/P Bolls per plant, BW Boll weight, SB Sympodial branches/plant, SI Seed index, PH Plant height, SCY Seed cotton yield/plant
Back to article page

Journal of Cotton Research

ISSN: 2523-3254

Contact us