Table 2.

Ammonia production and phosphate solubilization of endophytic microbial isolates.

Microbial isolates	Ammonia production	P solubilization Diameter of clear zone (mm)
Tp.1B	++	6.3 ± 0.4d
Tp.2B	−	0f
Tp.3B	+	0f
Tp.4B	−	3.3 ± 0.3e
Tp.5B	−	0f
Tp.6B	++	7.7 ± 0.3c
Tp.7B	+	3.7 ± 0.3e
Tp.1F	+	6.0 ± 0.5d
Tp.2F	++	10.7 ± 0.3a
Tp.3F	+	0f
Tp.4F	+	7.3 ± 0.2c
Tp.5F	++	9.3 ± 0.3b

−, +, and ++ denote no, low, and high ammonia production, respectively. Values within the same column with different letters are significantly different (P ≤ 0.05) by LSD test, values are means ± SE (n = 6).