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Table 7 Effect of PGPR isolates applied as soil drenching and bare root dipping prior transplanting on nematode multiplication in tomato plants infested by M. incognita under protected cultivation

From: Nematicidal potential of plant growth-promoting rhizobacteria against Meloidogyne incognita infesting tomato under protected cultivation

Treatments

No. of galls/root

No. of egg masses/root

Soil drenching

Bare root dip

Soil drenching

Bare root dip

2019–2020 Mean ± SE

2020–2021 Mean ± SE

2019–2020 Mean ± SE

2020–2021 Mean ± SE

2019–2020 Mean ± SE

2020–2021 Mean ± SE

2019–2020 Mean ± SE

2020–2021 Mean ± SE

Ba

55.00 ± 2.45b

46.40 ± 2.14b

69.20 ± 2.29b

63.80 ± 1.16b

34.00 ± 1.10b

26.80 ± 1.36b

38.80 ± 1.71b

33.80 ± 0.86b

Bs

57.40 ± 1.69b

48.60 ± 2.09b

67.20 ± 2.20b

59.40 ± 1.86b

35.60 ± 0.93b

29.60 ± 2.04b

42.20 ± 1.11b

37.00 ± 2.02b

Pa

49.20 ± 1.28bc

35.20 ± 2.50bc

53.80 ± 2.35bc

42.00 ± 3.65bc

30.00 ± 1.00bc

26.40 ± 2.46b

35.40 ± 1.81bc

31.80 ± 1.39b

Ba + Bs + Pa

40.40 ± 1.03bc

33.80 ± 2.27bc

54.60 ± 2.32bc

40.40 ± 3.57bc

28.20 ± 0.97bc

22.20 ± 1.46b

32.60 ± 0.93bc

30.20 ± 1.02b

VP

17.40 ± 1.44c

14.00 ± 1.34c

27.80 ± 1.24c

23.00 ± 1.52c

8.60 ± 0.75c

8.20 ± 1.16b

12.40 ± 1.12c

10.40 ± 0.87b

Control

764.40 ± 27.74a

532.60 ± 22.99a

  

501.60 ± 20.54a

456.20 ± 27.43a

  

F value

645.419

455.393

683.276

423.822

528.105

242.355

517.122

244.577

CV

15.809

17.984

14.363

17.063

17.742

26.814

17.075

25.019

CD (0.05)

34.198

28.100

32.749

28.560

24.889

33.572

24.893

32.974

  1. Data shown correspond to the mean of four replicates ± SE. Means with the same alphabet letters on each columns are not significantly (P < 0.05) different
  2. CD critical difference, CV coefficient of variation, SE standard error. Treatment details: Ba Bacillus amyloliquefaciens DSBA 11, Bs Bacillus subtilis DTBS 5, Pa Pantoea agglomerans; Ba + Bs + Pa (Consortium), VP Velum Prime® (500 g a.i./ha) as positive control