TABLE 4.

Factors affecting S. enterica growth on Swiss chard microgreens grown hydroponically, in soil A, and in soil B via irrigation water contamination

Growth condition and factor(s)	df	Sum of squares	Mean square value	F value	P(>F) value	Statistical significancea
Hydroponic system
Inoculation level	1	39.56	39.56	211.448	1.42E−14	***
Serovar	1	0.4	0.4	2.132	0.155
Inoculation level × serovar	1	0.4	0.4	2.132	0.155
Residuals	28	5.24	0.19
Soil A
Inoculation level	2	77.61	38.8	73.397	1.11E−12	***
Serovar	1	2.4	2.4	4.542	0.0409	*
Inoculation level × serovar	1	0.72	0.72	1.363	0.2517
Residuals	32	16.92	0.53
Soil B
Inoculation level	3	77.14	25.712	46.11	5.42E−16	***
Serovar	1	0.2	0.201	0.361	0.55
Inoculation level × serovar	3	1.15	0.383	0.687	0.563
Residuals	64	35.69	0.558

^a*, P < 0.05; **, P < 0.01; ***, P < 0.001.