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

Table 5

IAA production by B. licheniformis strains in the presence and absence of L-tryptophan (Trp).

Isolate	IAA production (μg mL^−1)
	Day 1		Day 2		Day 3
	Trp+	Trp−	Trp+	Trp−	Trp+	Trp−
SZMC 27712	9.13 ± 3.565	5.68 ± 1.221	17.89 ± 0.727	2.27 ± 0.000	19.75 ± 0.897	—
SZMC 27713	—	—	—	—	—	—
SZMC 27714	9.71 ± 0.312	2.27 ± 1.259	35.41 ± 1.693	15.84 ± 1.448	36.20 ± 0.120	0.52 ± 0.599
SZMC 27715	1.23 ± 0.215	—	2.55 ± 1.033	—	40.42 ± 5.302	—
SZMC 27716	6.98 ± 0.683	1.00 ± 0.727	21.77 ± 5.538	14.33 ± 0.727	18.05 ± 7.378	2.43 ± 9.280
SZMC 27717	8.59 ± 0.379	—	21.49 ± 0.469	4.41 ± 1.797	20.53 ± 0.286	2.98 ± 1.561
SZMC 27718	2.14 ± 0.379	2.67 ± 1.924	31.98 ± 1.622	5.28 ± 6.476	26.20 ± 2.344	0.13 ± 7.223

In this table, values are mean ± S.D. of three replicates.