Research Article

Characterisation of the Endophytic and Rhizospheric Bacillus licheniformis Strains Isolated from Sweet Potato with Plant Growth-Promoting and Yield Enhancing Potential

Figure 5

IAA production of the B. licheniformis strains after 3 days of incubation in the presence of L-tryptophan. The same letters above the data in the columns mean no significant difference (). Different letters indicate significant differences (). Values are presented as mean ± S.D. of three replicates.