Table 3 Effect of endophytic bacteria under normal and salt stress (200 mM NaCl) on photosynthetic pigments, phytohormones and metabolites production of Rice plants.

From: Salt stress mitigating potential of bacterial endophytes isolated from Moringa oleifera

Treatments

Photosynthetic pigments

Phytohormones production

Metabolites production

Chl A

(µg/g)

Chl B

(µg/g)

Carotenoids

(µg/g)

IAA

(µg/g)

GA3

(µg/g)

SA

(µg/g)

ABA

(µg/g)

Phenolics

(µg/g)

Flavonoids

(µg/g)

Proline

(µg/g)

Control

2 ± 0.01 d

1.0 ± 0.02cd

1.0 ± 0.09d

2.4 ± 0.13a

1.9 ± 0.0b

27.9 ± 3.3c

20.3 ± 3.8a

44.9 ± 3.2ab

5.1 ± 0.05g

1.3 ± 0.03a

Salt

0.22 ± 0.0a

0.1 ± 0.07a

0.2 ± 0.07b

2.0 ± 0.19a

0.8 ± 0.1a

7.6 ± 1.3b

31.6 ± 7.2f

61.4 ± 3.4d

0.6 ± 0.04a

3.5 ± 0.04c

KR-27

2.2 ± 0.02e

1.0 ± 0.01d

1.2 ± 0.01g

4.2 ± 0.08cd

2.5 ± 0.2f

26.7 ± 1.7c

22.3 ± 4.6bc

67.2 ± 1.8d

5.1 ± 0.07g

1.4 ± 0.04a

KL-4

1.9 ± 0.08d

0.9 ± 0.01c

1.1 ± 0.01e

3.2 ± 0.08b

2.3 ± 0.2e

3.4 ± 2.0ab

20.6 ± 5.4ab

38.8 ± 0.4a

1.8 ± 0.08c

1.3 ± 0.03a

KS-7

2.3 ± 0.05 e

1.1 ± 0.01d

1.2 ± 0.09f

4.1 ± 0.28c

2.2 ± 0.1e

23.2 ± 1.0c

24.6 ± 9.7d

69.9 ± 1.8d

3.8 ± 0.02f

1.8 ± 0.02a

Salt + KR-27

1.2 ± 0.01c

0.9 ± 0.06c

0.3 ± 0.04c

3.3 ± 0.16bc

2.1 ± 0.1d

34.2 ± 0.8ab

26.3 ± 2.6de

46.5 ± 3.4ab

2.6 ± 0.01e

2.2 ± 0.08b

Salt + KL-4

1.1 ± 0.01 b

0.2 ± 0.01ab

0.1 ± 0.07a

2.9 ± 0.09b

2.0 ± 0.1d

1.2 ± 0.7a

22 ± 1.7c

63.4 ± 6.0d

1.3 ± 0.04b

3.2 ± 0.07c

Salt + KS-7

1.5 ± 0.01cd

0.8 ± 0.07b

0.2 ± 0.03b

4.6 ± 0.04d

1.9 ± 0.3c

37.9 ± 1.6d

26.3 ± 3.8e

49.8 ± 0.5c

2.0 ± 0.01d

2.9 ± 0.01bc

  1. Quantitative data shows mean ± SE, with different letters showing significant differences between the treatments (p ≤ 0.05).