. 2021 Jun 30;9(1):10.1128/spectrum.00279-21. doi: 10.1128/spectrum.00279-21

TABLE 1.

In vitro biochemical characterization of bacterial isolates on the plant growth promotion traits^f

Strain	IAA concn^a (mg liter⁻¹)	ACC deaminase activity^a (μmol mg⁻¹ h⁻¹)	P solubilization^b (mm)	Siderphores on CAS agar^c	Nitrogen fixation	HCN production^d	Ammonia production	Antimicrobial activity^e
Strain	IAA concn^a (mg liter⁻¹)	ACC deaminase activity^a (μmol mg⁻¹ h⁻¹)	P solubilization^b (mm)	Siderphores on CAS agar^c	Nitrogen fixation	HCN production^d	Ammonia production	Pseudomonas syringae	Botrytis cinerea
n	0.79^a	8.10^a	5.67^a	5	+++	+++	++	2.00^b	5.00^a
L	0.10^b	2.01^b	2.83^b	1	+	−	+++	6.33^a	2.67^b
K	0.83^a	0.98^c	−	−	−	−	−	−	−
Y	0.86^a	4.09^b	2.17^b	−	++	−	−	−	−

Values are presented as means from 6 replicates.

Means of diameter of solubilization measured on National Botanical Research Institute’s phosphate (NBRIP) agar plates (average of 6 replicates).

Means of size of halo measured on chrome azurol S (CAS) plates (average of 6 replicates).

HCN production was examined by change in color soaked in picric acid from yellow (control plate) to bright orange (strain n).

Values are the mean diameters of inhibition zones (mm) (average of 4 replicates).

Means followed by different letters within a row are significantly different (P ≤ 0.05). +, low activity; ++, moderate activity; +++, strong activity; −, no activity.