Efficacy of indigenous plant growth-promoting rhizobacteria and Trichoderma strains in eliciting resistance against bacterial wilt in a tomato

Egyptian Journal of Biological Pest Control

Table 2 Effect of seed treatment with a combination of PGPR and Trichoderma strains on bacterial wilt incidence under greenhouse conditions

Treatments	Disease incidence (%)	Disease protection (%)
Control	98.1^m	0.0^a
B. subtilis SE34 + T. asperellum T8	40.3^def	57.8^hij
B. subtilis SE34 + T. harzianum UNS35	41.2^efgh	56.9^fghi
B. subtilis SE34 + T. longibrachiatum UNS11	42.6^jkl	55.5^bcd
B. subtilis SE34 + T. viride UNS42	41.4^ghij	56.7^defg
B. amyloliquefaciens IN937a + T. asperellum T8	41.3^fghi	56.8^efgh
B. amyloliquefaciens IN937a + T. harzianum UNS35	43.2^l	54.9^b
B. amyloliquefaciens IN937a + T. longibrachiatum UNS11	40.2^de	57.9^hij
B. amyloliquefaciens IN937a + T. viride UNS42	41.8^ghijk	56.3^cdefg
P. fluorescens Pf3 + T. asperellum T8	38.3^bc	59.8^kl
P. fluorescens Pf3 + T. harzianum UNS35	38.6^bc	59.5^kl
P. fluorescens Pf3 + T. longibrachiatum UNS11	36.2^a	61.9^m
P. fluorescens Pf3 + T. viride UNS42	38.8^c	59.3^k

Means of three replications, followed by the letters according to Duncan’s multiple range tests (DMRT). Means sharing different alphabetical (a–m) superscripts in a column significantly different (P < 0.05). Control - R. solanacearum-treated plants