Biological Characteristics and Antimicrobial Activity of Endophytic Streptomyces sp. TQR12-4 Isolated from Elite Citrus nobilis Cultivar Ham Yen of Vietnam

Table 1

Antimicrobial activity of the endophytic actinomycete isolate TQR12-4.

Test organisms	Zone of inhibition (, mm)
	Agar block	Well diffusion
S. aureus ATCC 25922	26 ± 0,42	25 ± 1,00
B. subtilis ATCC 6633	25 ± 0,50	25 ± 0,42
P. aeruginosa ATCC 25932	0	0
G. candidum VSVD 1	28 ± 0,81	19 ± 0,35
F. oxysporum FO5	25 ± 0,50	17 ± 0,76
F. udum VSVD 4	26 ± 0,32	18 ± 0,58
C. truncatum VSVD 14	29 ± 0,81	20 ± 0,29

The results were recorded in 7-day culture on ISP medium #2.