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 1 Mean comparison of tomato growth parameters in treatments inoculated with plant growth parameters promoting rhizobacteria, P. fluorescens, P. polymyxa, P. striata, B. subtilis and root-knot nematode, and M. javanica under greenhouse conditions

Treatment	Shoot length (cm)	Shoot fresh weight (g)	Shoot dry weight (g)	Root length (cm)	Root fresh weight (g)	Root dry weight (g)
Control	78.50 bc	61.50 bc	15.00 bc	21.00 a	29.25 e	9.25 d
P. fluorescens	99.50 a	82.25 a	21.00 a	24.50 a	58.25 cd	24.00 a
P.striata	94.75 ab	73.00 ab	16.75 ab	22.00 a	54.50 cd	14.25 cd
B. subtilis	98.00 a	83.00 a	21.00 a	24.00 a	68.75 bc	22.50 a
P. polymyxa	100.25 a	83.50 a	20.75 ab	24.50 a	97.00 a	23.00 a
P. fluorescens + M. javanica	91.00 ab	71.00 ab	19.25 ab	20.00 a	58.75 cd	23.25 a
P. striata + M. javanica	71.00 cd	57.00 c	16.00 abc	19.50 a	45.25 d	16.00 bc
B. subtilis + M. javanica	93.50 ab	78.50 a	19.00 ab	19.00 a	62.25 bc	22.00 a
P. polymyxa + M. javanica	92.00 ab	76.00 a	19.25 ab	20.25 a	77.00 b	22.75 a
M. javanica	61.00 d	42.50 d	10.25 c	11.00 b	69.00 bc	20.25 abc

Values followed by the same letter in the same column are not significantly different using LSD test (P ≤ 0.01, n = 4)