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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)