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Table 2 Growth indices of cucumber seedlings under different NaCl stresses

From: Heme is involved in the exogenous ALA-promoted growth and antioxidant defense system of cucumber seedlings under salt stress

NaCl concentrations (mmol L–1)

Plant height (cm)

Stem diameter (mm)

Fresh weight (g plant–1)

Dry weight (g plant–1)

0

9.30 ± 0.40 b

4.59 ± 0.46 ab

10.74 ± 0.41 ab

0.63 ± 0.03 b

10

10.40 ± 0.76 a

5.43 ± 0.15 a

12.08 ± 0.30 a

0.89 ± 0.04 a

25

8.32 ± 0.91 ab

4.46 ± 0.21 b

9.49 ± 0.63 bc

0.56 ± 0.03 c

50

6.97 ± 0.37 c

4.32 ± 0.15 b

8.85 ± 0.50 b

0.59 ± 0.04 c

75

5.98 ± 0.20 c

3.88 ± 0.15 c

7.78 ± 0.49 c

0.34 ± 0.03 d

  1. Values are presented as mean ± SE (n = 6). Different letters in each column indicate significant differences under the different NaCl stress treatments (P < 0.05)