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Table 1 Endogenous glycine betaine (GB) and salicylic acid (SA) content for exogenous GB and SA treatments under a 150 mM NaCl concentration regime

From: Responses of leaf gas exchange attributes, photosynthetic pigments and antioxidant enzymes in NaCl-stressed cotton (Gossypium hirsutum L.) seedlings to exogenous glycine betaine and salicylic acid

Treatment label

GB content (mg g−1FW)

SA content (μg g−1FW)

CK

14.12 ± 1.95 f

1.01 ± 0.002 d

GB2.5

31.63 ± 1.67 de

0.41 ± 0.001 d

GB5.0

35.38 ± 1.23 bc

0.64 ± 0.001 d

GB7.5

42.27 ± 1.25 a

0.43 ± 0.001 d

SA1.0

38.52 ± 1.90 b

9.98 ± 1.654 c

SA1.5

34.61 ± 1.20 cd

21.51 ± 1.033 b

SA2.0

28.44 ± 1.67 e

27.87 ± 1.973 a

ST

28.45 ± 1.71 e

9.95 ± 1.048 c

  1. FW Fresh weight, CK Control, GB2.5 2.5 mM GB, GB5.0 5.0 mM GB, GB7.5 7.5 mM GB, SA1.0 1.0 mM SA, SA1.5 1.5 mM SA, SA2.0 2.0 mM SA, ST saline treatment (150 mM NaCl)
  2. All data are mean ± standard deviation. Differences between treatments indicated by different letters in each column are significant at P < 0.05
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BMC Plant Biology

ISSN: 1471-2229

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