Fig 1.
Inhibitory effects of seven bacterial strains against B. cinerea in vitro.
Fig 2.
Antagonistic effect of strain FX-6 against B. cinerea.
(a) Treated with Strain FX-6. (b) Control.
Fig 3.
Neighbor-joining tree of strain FX-6 and related species retrieved from GenBank.
(a) Phylogenetic analysis based on the 16S rDNA sequences. (b) Phylogenetic analysis based on the gyrA gene sequences. The superscript âTâ indicates the type strain. The numbers at the tree branch points indicate the percent bootstrap support for 1000 iterations.
Fig 4.
Inhibition rates of strain FX-6 against seven plant pathogenic fungi.
Fig 5.
Effect of culture time of strain FX-6 on inhibition rate of B. cinerea.
Fig 6.
Inhibition effect of strain FX-6 towards B. cinerea on tomato leaves at 2,3 and 5 days.
(a-c) Control. (d-f) Treated with B. subtilis. (g-i) Treated with strain FX-6.
Fig 7.
Plant growth promotion attributes of strain FX-6.
(a) Test of IAA (L means medium containing L-tryptophan). (b) Test of ACC ammonia enzyme activity. (c) Test of siderophore production. (d) Test of inorganic phosphorus solubilization. (e) Test of organophosphorus solubilization.
Fig 8.
Effect of different strain FX-6 dilutions on tomato seeds.
(a) Germination rate of tomato seeds. (b) Radicle length of tomato seeds. Error bars display the standard deviation of three replicates performed for each treatment. Different lowercase letters indicate significant difference at P<0.05 level.
Fig 9.
Effect of different strain FX-6 dilutions on morphological indexes of tomato seedlings.
(a) Plant height of tomato seedlings. (b) Stem thickness of tomato seedlings. (c) Taproot length of tomato seedlings. (d) Fresh weight of tomato seedlings. Error bars display the standard deviation of three replicates performed for each treatment. Different lowercase letters indicate significant difference at P<0.05 level.
Fig 10.
The morphological indicators of tomato seedlings treated with different strain FX-6 dilutions.
(a-d) Treated with 10, 50, 100 and 200 fold-dilution. (e): Control.