Table 2 Mean squares and ANOVA results for okra genotypes.

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

Traits

Genotype

Stress

Trial

Sampling day

Genotype × stress

Genotype × day

Genotype × trial

Stress × trial

Gen × stress × trial

Fv/Fm

0.05***

23.8***

0.13***

29***

0.02***

0.01***

0.01 NS

0.1***

0.003 NS

TLA

6517***

2654.1***

5449.1***

3885.4***

442.3***

2.8 NS

40.9***

2092***

28.6***

EL

26,640***

42,734***

31 NS

37,800***

210***

32***

1 NS

111**

2 NS

PI

128.5***

1396.5***

59.2***

3141.5***

14.8***

1.1 NS

5.1***

257.5***

1.1 NS

RWC

2367***

97,463***

46,332***

57,387***

536***

55 NS

78 NS

1638***

38***

SDW

0.4***

18.8***

42***

14***

0.1***

0.1NS

0.02***

0.3***

0.01NS

SFW

33.8***

767.5***

132.9***

154.1***

4.7***

0.016NS

0.2***

24***

0.12NS

CC

1186***

9816***

481***

7186***

79***

4NS

2NS

15***

2***

  1. Trait abbreviations are as follows: Fv/Fm: Fv-Fm ratio, TLA: total leaf area, EL: electrolyte leakage, PI: performance index, RWC: relative water content, SDW: dry shoot biomass, SFW: fresh shoot biomass, CC: chlorophyll content.