Identification and denitrification characteristics of a salt-tolerant denitrifying bacterium Pannonibacter phragmitetus F1

AMB Express

Table 2 Growth of strain F1 in screen solid plate medium with different salinity treatments

Cultivate time (days)	NaCl concentration in screen solid plate medium (g/L)
Cultivate time (days)	0	30	50	70	100
1	–	–	–	–	–
2	++	++	+	–	–
3	++	++	++	+	–
4	++	++	++	+	–
5	++	++	++	++	–

++: Obvious colonies appeared on the surface of the medium, indicating that strain F1 grew normally
+: A small number of colonies appeared on the surface of the medium, indicating that strain F1 grew but with low growth rate
−: No colonies appeared on the surface of the medium, indicating that strain F1 did not grow