Table 2.

Differences in growth efficiency and niche widths among Streptomyces susceptible and resistant to individual standards

Standard	Growth Efficiency (± SD)					Niche Width (± SD)
	Resistant	Susceptible	df	t-val	p-val	Resistant	Susceptible	df	t-val	p-val
LK2-12	0.062 ± 0.013	0.068 ± 0.016	94.3	−2.40	0.018	72.6 ± 13.0	73.3 ± 17.2	104.1	−0.33	0.742
LK4-2	0.066 ± 0.015	0.068 ± 0.014	20.1	−0.39	0.701	72.8 ± 16.6	74.1 ± 15.5	20.1	−0.34	0.740
LK4-16	0.064 ± 0.014	0.079 ± 0.017	56.8	−5.85	<0.001	71.1 ± 16.8	81.9 ± 10.7	96.1	−5.47	<0.001
LK4-20	0.067 ± 0.015	0.059 ± 0.010	4.4	1.68	0.161	73.2 ± 16.5	72.0 ± 12.8	4.3	0.21	0.845
LK4-21	0.063 ± 0.013	0.067 ± 0.016	62.1	−1.66	0.103	73.3 ± 11.9	73.2 ± 17.2	75.3	0.04	0.965
LK4-24	0.063 ± 0.013	0.068 ± 0.016	130.5	−2.57	0.011	72.7 ± 12.7	73.3 ± 17.5	148.2	−0.32	0.748
LK6-14	0.066 ± 0.015	0.078 ± 0.006	3.6	−3.44	0.031	73.1 ± 16.5	76.8 ± 13.2	3.1	−0.54	0.625
LK10-3	0.066 ± 0.015	0.073 ± 0.009	3.3	−1.49	0.226	73.3 ± 16.5	75.5 ± 6.6	3.6	−0.65	0.555
DL87	0.066 ± 0.015	0.082 ± 0.003	1.5	−6.86	0.043	73.2 ± 16.4	67.5 ± 13.4	1.0	0.60	0.654
DL93	0.063 ± 0.013	0.081 ± 0.017	66.5	−7.03	<0.001	71.6 ± 16.3	80.9 ± 12.4	100.2	−4.51	<0.001

Growth efficiency (±standard deviation) and niche width (±standard deviation) of Streptomyces resistant and susceptible to inhibition by individual standard isolates. Degrees of freedom, t-values, and p-values of t-tests between resistant and susceptible Streptomyces are presented