Table 1 Descriptive statistics of evaluated traits, variance components and Broad-sense heritability.

From: Photosynthetic efficiency and water retention in okra (Abelmoschus esculentus) contribute to tolerance to single and combined effects of drought and heat stress

Trait

Unit

Descriptive statistics

Variance component

Broad-sense heritability

Mean

Max

Min

SD

CoV(%)

Genotypic

Phenotypic

Electrolyte leakage

%

38.66

98.12

1.53

13.5

34.8

36.1

36.8

0.98

Fv/Fm ratio (Fv/Fm)

0.74

0.85

0.03

0.02

2.1

1.2

5.5

0.21

Chlorophyll content

29.7

45.98

10.20

2.5

8.3

8.0

10.0

0.80

Rel. leaf water content

%

79.2

121.4

5.86

4.3

5.5

4.7

12.0

0.39

Shoot dry weight

g

0.34

1.10

0.001

0.1

15.0

12.1

29.9

0.41

Total leaf area

cm2

29

77.38

3.66

5.6

19.3

19.4

24.2

0.80

Performance index

3.9

9.63

0.010

0.8

21.3

19.6

29.8

0.66