Table 2 The plant growth promoting biochemical traits exhibited by the tested culturable bacterial strains obtained from pistil stigmas of Orobanche lutea.

		Tested biochemical trait
		(YES/no)							(0-no production; 4-very high production)		OD₆₀₀
Sample	Strain	Cellulose production	Auxin production	Motility	Phosphate solubilization	Protease production	Fluorescent siderophores production	Ammonia production	Lipase production	Hydrogen cyanide	10% NaCl tolerance (OD₆₀₀)
Polluted area, immature stigmas (PO IM)	1A-1D	no	no	no	no	no	no	no	0	0	1.117
	1B-1D	no	no	no	no	no	no	no	0	0	2.925
	M1	no	no	no	YES	no	no	no	0	0	3.846
	M2	no	no	no	YES	no	no	no	0	3	0.396
	M3	no	no	YES	YES	YES	no	no	3	4	0.405
	M4	no	no	YES	YES	YES	YES	no	0	4	3.92
	M12	no	no	no	no	no	no	no	0	0	3.084
Polluted area, mature stigmas (PO MA)	2A-1D	YES	no	YES	no	YES	no	no	3	0	0.468
	2A-2D	no	no	no	no	no	no	no	0	0	1.528
	2A3B	no	no	no	no	no	no	no	0	0	0.035
	2A4D1	YES	no	YES	no	no	no	YES	4	0	0.251
	M5	no	no	no	YES	no	no	no	0	0	2.224
	M6	no	no	no	no	no	no	no	0	0	0.114
	M7	no	no	no	no	no	no	no	0	0	1.782
	M14	no	no	no	no	no	no	no	0	0	0.899
	M16	no	no	no	no	no	no	no	0	0	1.226
Unpolluted area, immature stigmas (UPO IM)	3A1D	no	no	no	YES	no	no	no	0	0	3.398
Unpolluted area, immature stigmas (UPO IM)	3B-1D	no	no	no	no	no	no	no	0	0	2.767
Unpolluted area, mature stigmas (UPO MA)	4A-1D	no	no	no	YES	no	no	no	0	0	2.614
	4A-2D	no	no	no	YES	no	no	no	0	0	0.372
	4A3D	no	no	no	no	YES	no	no	0	0	0.124
	M8	no	no	YES	no	YES	no	no	0	0	3.208
	M9-1	no	no	YES	no	YES	no	YES	0	0	3.707
	M9-2	no	no	no	no	no	no	no	0	0	0.032
	M10	no	no	no	no	no	no	no	0	0	0.03

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