Table 1 Bio-efficacy of plant growth-promoting rhizobacterial isolates with different concentrations of their cell-free culture filtrates on J₂s mortality of M. incognita

Ba

23.33 ± 1.45^b

42.00 ± 2.08^b

78.67 ± 1.20^c

81.33 ± 0.88^c

16.00 ± 1.15^b

35.00 ± 1.00^b

70.67 ± 1.20^b

70.00 ± 0.58^c

13.33 ± 1.45^b

25.67 ± 1.33^c

59.00 ± 1.15^c

64.00 ± 1.73^c

Bs

19.00 ± 1.15^c

41.33 ± 0.88^b

71.00 ± 1.15^d

73.33 ± 1.45^d

15.00 ± 0.58^b

30.33 ± 0.67^c

64.33 ± 1.67^c

70.00 ± 0.58^c

12.00 ± 0.58^b

21.00 ± 0.58^d

52.67 ± 0.88^d

58.00 ± 1.53^d

Pa

18.00 ± 0.58^c

24.67 ± 1.20^c

67.00 ± 2.08^d

77.00 ± 2.31^d

11.67 ± 0.67^c

19.33 ± 0.88^d

54.00 ± 2.08^d

63.33 ± 1.45^d

9.33 ± 0.33^c

14.33 ± 0.88^e

45.67 ± 0.88^e

51.67 ± 0.67^e

Ba + Bs + Pa

23.33 ± 1.45^b

43.00 ± 3.06^b

87.33 ± 2.33^b

91.67 ± 2.33^b

16.33 ± 1.45^b

35.33 ± 1.20^b

75.00 ± 4.16^b

80.67 ± 5.04^b

12.33 ± 0.67^b

30.67 ± 0.33^b

67.00 ± 2.31^b

76.00 ± 2.65^b

NB

0.00 ± 0.00^d

0.00 ± 0.00^d

0.00 ± 0.00^e

0.00 ± 0.00^e

SDW

0.00 ± 0.00^d

0.00 ± 0.00^d

0.00 ± 0.00^e

0.00 ± 0.00^e

VP

95.67 ± 0.88^a

100.00 ± 0.00 ^a

100.00 ± 0.00^a

100.00 ± 0.00^a

F value

1108.39

508.828

931.897

915.385

1544.341

2180.515

394.113

382.509

2101.676

2721.309

1107.009

770.496

CV

6.598

7.278

4.019

4.002

6.625

3.989

6.406

6.340

6.243

4.141

4.051

4.685

CD (0.05)

2.960

4.570

4.063

4.239

2.564

2.195

5.834

6.091

2.228

1.986

3.288

4.098