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Table 5 Mean numbers of galls, egg masses and eggs per root, second-stage juveniles (J2s) per pot, and reproductive factor (RF) of Meloidogyne javanica after nematode inoculation along with Pseudomonas fluorescens CHA0 incubation of tomato plants and different concentrations of Datura stramonium treated in trials I and II

From: Evidence of inhibitory effect of Pseudomonas fluorescens CHA0 and aqueous extracts on tomato plants infected with Meloidogyne javanica (Tylenchida: Heteroderidae)

Concentrations (%)

Bacteria

Number of eggs/root

Number of galls/root

Number of egg masses/root

Number of J2 s/pot

Reproduction factor

0

Non-treated

81894 ± 1949 a

913 ± 24.75 a

706 ± 15.80 a

897.75 ± 29.88 a

20.87 ± 0.49 a

 

Treated

52834 ± 3843 b

761 ± 29.88 b

412 ± 25.54 b

529 ± 60.23 b

13.44 ± 0.98 b

1.1

Non-treated

47883 ± 2692 bc

601 ± 26.79 c

414 ± 30.31 b

525.25 ± 34.7b5

12.20 ± 0.65 bc

 

Treated

44092 ± 2174 bc

585 ± 31.80 cd

364 ± 25.236 bc

431 ± 29.33 bc

11.22 ± 0.55 bc

1.4

Non-treated

41345 ± 1921 c

487 ± 22.95 de

346 ± 14.60 bc

406 ± 34.77 bc

10.52 ± 0.49 c

 

Treated

38519 ± 2030 c

476.5 ± 25 e

318 ± 15.83 cd

356 ± 22.43 cd

9.798 ± 0.50 c

1.8

Non-treated

27559 ± 2452 d

381 ± 21.97 ef

309 ± 16.77 cd

319.75 ± 10.61 cd

7.04 ± 0.61 d

 

Treated

26315 ± 2869 d

325 ± 24.14 f

249 ± 20.10 d

255 ± 13.93 d

6.704 ± 0.72 d

  1. Values in the same column followed by different letter(s) are significantly different according to LSDs (p ≤ 0.01). Each treatment had ten replications (five replications in two successive experiments). Values are means ± standard error