Table 5 Chlorophyll a, b contents and chl a/b of eight cotton genotypes/ strains/cultivars grown in normal soil at flowering stage when subjected to short-term hypoxia conditions

1.219 ± 0.09

0.97 ± 0.016

0.981 ± 0.023

1.686 ± 0.036

1.35 ± 0.107

1.301 ± 0.024

1.19 ± 0.005

0.864 ± 0.011

1.551 ± 0.09

1.28 ± 0.022

0.909 ± 0.02

1.664 ± 0.042

1.26 ± 0.103

0.953 ± 0.026

1.06 ± 0.008

0.995 ± 0.034

0.49 ± 0.023

0.449 ± 0.02

0.38 ± 0.043

0.688 ± 0.019

0.69 ± 0.014

0.484 ± 0.027

0.345 ± 0.02

0.515 ± 0.035

1.07 ± 0.03

0.929 ± 0.02

0.61 ± 0.033

0.797 ± 0.016

0.67 ± 0.015

0.439 ± 0.028

0.329 ± 0.02

0.511 ± 0.037

2.488 ± 0.08

2.169 ± 0.18

2.568 ± 0.07

2.451 ± 0.037

1.954 ± 0.14

2.688 ± 0.131

3.072 ± 0.15

1.678 ± 0.12

1.445 ± 0.09

1.378 ± 0.24

1.483 ± 0.06

2.087 ± 0.046

1.876 ± 0.10

2.17 ± 0.124

3.23 ± 0.12

1.947 ± 0.14

32.15 ± 1.50

32.37 ± 1.81

30.21 ± 1.58

33.133 ± 1.99

33.13 ± 0.86

36.85 ± 0.53

30.327 ± 0.44

39.08 ± 0.61

36.03 ± 0.58

34.07 ± 0.58

38.85 ± 0.44

34.921 ± 0.15

32.81 ± 0.56

35.97 ± 0.37

35.35 ± 0.60

32.37 ± 0.12