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Table 3 Individual impacts of biodynamic preparations, PGPBs, and salinity on the plant traits

From: Impacts of plant growth-promoting bacteria, compost and biodynamic compost preparations for alleviating the harmful effects of salinity on essential oil characteristics of lavender

Factors

CMS (μS/cm)

Proline (μmol/g)

Auxin (μM/g)

Compost

 Control

355.58 c ± 29.92

1683.31 a ± 59.66

41.3 c ± 1.68

 Compost

482.75 b ± 23.69

1664.68 b ± 45.77

49.78 b ± 2.12

 Compost + BD preparations

648.35 a ± 33.57

1620.94 c ± 36.94

57.67 a ± 2.89

 LSD (0.01)

3.42

30.95

3.51

PGPBs

 Control

496.83 b ± 45.66

1642.37 b ± 67.79

46.76 c ± 2.56

 Azotobacter (A)

471.94 c ± 23.11

1636.11 b ± 53.44

55.76 a ± 3.32

 Azospirillum (B)

451.94 d ± 36.46

1630.33 b ± 42.93

50.38 b ± 2.86

 A and B

561.52 a ± 29.83

1716.43 a ± 54.65

45.45 c ± 2.53

 LSD (0.01)

3.94

35.74

3.51

Salinity stress

 Control

519.67 a ± 16.53

1389.72 c ± 37.72

63.13 a ± 5.47

 50 mM

495.42 b ± 25.82

1618.76 b ± 38.57

49.37 b ± 1.31

 100 mM

471.6 c ± 35.57

1960.44 a ± 26.62

36.25 c ± 2.85

 LSD (0.01)

3.42

30.95

3.51

 

EO (g)

EO (mL)

EO (%)

Compost (BD)

 Control

1.07 c ± 0.1

1.21 c ± 0.08

1.18 c ± 0.25

 Compost

1.46 b ± 0.06

1.64 b ± 0.06

1.6 b ± 0.16

 Compost + BD preparations

1.71 a ± 0.12

1.93 a ± 0.07

1.89 a ± 0.07

 LSD (0.01)

0.15

0.14

0.1

PGPBs

 Control

1.26 c ± 0.1

1.42 c ± 0.11

1.39 c ± 0.1

 Azotobacter (A)

1.57 a ± 0.12

1.77 a ± 0.09

1.73 a ± 0.09

 Azospirillum (B)

1.46 ab ± 0.08

1.65 ab ± 0.09

1.61 b ± 0.08

 A and B

1.36 bc ± 0.07

1.53 bc ± 0.08

1.5 b ± 0.07

 LSD (0.01)

0.17

0.17

0.11

Salinity stress

 Control

1.41 b ± 0.11

1.59 b ± 0.02

1.55 b ± 0.03

 50 mM

1.73 a ± 0.08

1.95 a ± 0.06

1.9 a ± 0.06

 100 mM

1.1 c ± 0.04

1.25 c ± 0.04

1.22 c ± 0.04

 LSD (0.01)

0.15

0.14

0.1

  1. CMS Cell membrane stability, EO Essential oil