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Table 7 The interaction effects of cultivation system and stress modulator type on chlorophyll a, carotenoids, proline, and Na and K contents

From: The effect of time and type of stress moderators on yield and yield components of cotton on conventional and double-cropping systems under saline conditions

Modulator type

Chlorophyll a

/(mg.g–1 FW)

Cartrenoid

/(mg·g–1 DW)

Proline

/(μmol·g–1 FW)

Na

/(mg·g–1 DW)

K

/(mg·g–1 DW)

Conventional

Double-cropping

Conventional

Double-cropping

Conventional

Double-cropping

Conventional

Double-cropping

Conventional

Double-cropping

Water control

0.731 ± 0.02d

0.432 ± 0.04e

0.531 ± 0.08d

0.272 ± 0.01e

7.61 ± 0.45c

7.33 ± 1.1c

65.5 ± 4.1b

83.0 ± 5.7a

40.6 ± 3.9e

43.5 ± 4.1d

GB

1.59 ± 0.03b

0.711 ± 0.03d

0.712 ± 0.07bc

0.691 ± 0.07c

10.9 ± 0.87ab

10.7 ± 1.5ab

49.0 ± 2.7c

67.8 ± 1.7b

57.6 ± 2.5a

40.1 ± 5.4e

SA

1.71 ± 0.05a

0.701 ± 0.06d

0.871 ± 0.09b

0.783 ± 0.01b

11.7 ± 0.69ab

11.0 ± 1.2a

45.83 ± 5.2c

37.1 ± 3.9d

47.3 ± 3.4c

53.1 ± 9.3b

SNP

1.81 ± 0.04a

0.952 ± 0.05c

1.10 ± 0.11a

0.722 ± 0.02b

12.4 ± 1.3a

10.3 ± 1.1b

48.1 ± 2.5c

59.0 ± 2.1c

59.1 ± 5.6a

38.4 ± 4.15f

  1. Similar letters within the same column denote insignificant differences based on FLSD level of 5% (Mean ± SD)