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 3 Effect of seed treatment with combination of PGPR and Trichoderma strains on bacterial wilt incidence under field conditions

Treatments	Disease incidence (%)	Disease protection (%)	Yield kg/m²
Control	96.8^l	0.00^a	41.24^a
B. subtilis SE34 + T. asperellum T8	42.4^hij	54.4^cd	129.32^de
B. subtilis SE34 + T. harzianum UNS35	40.2^de	56.6^ghi	131.66^ef
B. subtilis SE34 + T. longibrachiatum UNS11	41.9^ghij	54.9^cdef	127.76^bc
B. subtilis SE34 + T. viride UNS42	40.5^def	56.3^ghi	132.84^fg
B. amyloliquefaciens IN937a + T. asperellum T8	41.4^fghi	55.4^defg	128.42^de
B. amyloliquefaciens IN937a + T. harzianum UNS35	42.5^jk	54.3^bc	131.73^g
B. amyloliquefaciens IN937a + T. longibrachiatum UNS11	40.4^cdef	56.4^ghi	128.41^de
B. amyloliquefaciens IN937a + T. viride UNS42	41.1^efg	55.7^fgh	131.36^g
P. fluorescens Pf3 + T. asperellum T8	37.9^b	58.9^k	130.67^ef
P. fluorescens Pf3 + T. harzianum UNS35	38.4^b	58.4^k	131.81^fg
P. fluorescens Pf3 + T. longibrachiatum UNS11	35.2^a	61.6^l	137.83^gh
P. fluorescens Pf3 + T. viride UNS42	38.7^bc	58.1^ijk	130.35^ef

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