Endophytic bacteria from Euphorbia antiquorum L. protect Solanum lycopersicum L. against bacterial wilt caused by Ralstonia solanacearum

Egyptian Journal of Biological Pest Control

Table 6 BCA-primed tomato growth parameters challenged with Ralstonia solanacearum Rs5 pathogen

Treatment	Agro-morphological parameters, AUDPC and PWP				AUDPC	PWP
Treatment	SL (cm ± SD)	RL (cm ± SD)	RW (g ± SD)	SW (g ± SD)	AUDPC	PWP
Control	19.40 ± 0.30^b	11.50 ± 0.80^bc	0.50 ± 0.10^b	0.82 ± 0.20^b	0	0
Pathogen (Rs5)	3.10 ± 0.40^a	6.70 ± 0.60^a	0.07 ± 0.01^a	0.62 ± 0.10^a	697	100
CBa_RA37 + Rs5	29.40 ± 0.60^c	16.70 ± 0.50^c	0.48 ± 0.10^b	2.20 ± 0.22^d	43	20
CBa_BFL2 + Rs5	28.60 ± 1.20^b	16.70 ± 1.30^b	0.94 ± 0.14^d	2.00 ± 1.10^c	155	30
CBv_BE1 + Rs5	26.20 ± 0.20^b	18.10 ± 0.80^c	0.91 ± 0.10^d	2.20 ± 0.40^d	135	30

SL, shoot length; RL, root length; RW, root weight; SW, shoot weight; AUDP, area under the disease progress curve; PWP, percentage of wilt plant; control, Uninoculated seedlings; Rs5, R. solanacearum Rs5 infected plants without antagonist; CBa_RA37 + Rs5, plantlets primed with Bacillus amyloliquefaciens CBa_RA37 alone and grown on R. solanacearum Rs5 infected soil; CBa_BFL2 + Rs5, plantlets primed with B. velezensis CBv_BE1 alone and grown on R solanacearum Rs5 infected soil; CBv_BE1 + Rs5, plantlets primed with Bacillus velezensis CBv_BE1 alone and grown on R. solanacearum Rs5 infected soil; SD, standard deviation
Mean values within each column superscripted by the same letter (a, b, c, d, or e) are not significantly different (P < 0.01) as given by the Turkey’s HSD post hoc test