. 2021 Oct 18;10(10):1055. doi: 10.3390/biology10101055

Table 3.

Ammonia nitrogen (NH₃–N) concentration of the in vitro cultures after 24 h incubation.

Plant Doses (mg/mL)	N-NH₃ (mg/dL)				SEM	Trt	p-Value
Plant Doses (mg/mL)	0	0.7	0.9	1.1	SEM	Trt	Linear	Quadratic
A. digitata	27.4	27.0	27.4	27.7	0.8	0.990	0.941	0.778
K.indica	27.4	26.3	26.0	27.3	1.2	0.872	0.744	0.521
C. gigantea	27.4 ^a	26.7 ^a	26.5 ^a	18.5 ^b	0.8	0.004	0.006	0.007
F. macrophylla	27.4 ^b	27.0 ^b	27.2 ^b	32.2 ^a	0.6	0.021	0.053	0.013
F.macrophylla ^#	27.4 ^b	27.2 ^b	27.3 ^b	32.6 ^a	0.7	0.034	0.066	0.023
P. oleracea	27.4	27.0	27.1	27.7	1.8	0.990	0.941	0.778
B. rapa chinensis *	27.4	27.4	31.4	30.7	0.6	0.056	0.023	0.248

SEM: standard error the mean, Trt: treatment, ^# only roots were used, * only tubers were used, different superscripts within a row denote significant difference (p < 0.05) among plant doses.