Evaluation of four rhizobacteria on tomato growth and suppression of root-knot nematode, Meloidogyne javanica under greenhouse conditions, a pilot study

Egyptian Journal of Biological Pest Control

Table 2 Mean comparison of growth and developmental parameters of M. javanica on tomato plants inoculated and non-inoculated with plant growth promoting Rhizobacteria, P. fluorescens, P. polymyxa, P. striata, and B. subtilis under greenhouse conditions

Treatment	No. galls/1 g root	No. egg masses/1 g root	No. eggs/egg mass	No. J2 /100 g soil	Reproductive factor (RF)
M. javanica	27.25 a	29.75 a	260.00 a	268.00 a	112.15 a
P. fluorescens + M. javanica	13.75 b	15.75 b	131.00 bc	136.00 b	24.94 b
P. striata + M. javanica	16.25 b	18.00 b	201.00 ab	153.00 b	33.20 b
B. subtilis + M. javanica	14.50 b	15.25 b	128.00 bc	129.50 b	24.69 b
P. polymyxa + M. javanica	14.50 b	14.75 b	123.50 c	129.50 b	28.51 b

RF: the ratio of the final population to the primary population of the nematode \( Rf=\frac{Pf}{Pi} \)
Values followed by the same letter in the same column are not significantly different using LSD test (P ≤ 0.01, n = 4)