Table 5.

Antibiotic resistance of selected PGPR strains.

S. No.	PGPR	Chloramphenicol (μg/ml)						Streptomycin (μg/ml)						Hygromycin B (μg/ml)
		25	50	75	100	150	200	25	50	75	100	150	200	25	50	75	100	150	200
1	P. chinense strain P1	+	+	+	+	−	−	+	+	+	+	+	+	+	+	+	+	+	−
2	B. cereus strain P2	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	−	−