Prospecting the plant growth–promoting activities of endophytic bacteria Franconibacter sp. YSD YN2 isolated from Cyperus esculentus L. var. sativus leaves

Table 1 Biochemical and functional characterization (plant growth–promoting activities) of YSD YN2

			YSD YN2
Biochemical attributes	Gram stain		-
	Catalase test		+
	Methyl red test		+
	Voges-Proskauer test		-
	Citrate test		+
	Starch hydrolysis test		+
	Aerobic test		-
	Carbon source	Glucose	+
		Sucrose	+
		Maltose	+
	Nitrogen source	Ammonium sulfate	+
	Nitrogen source	Ammonium nitrate	+
	Phosphate solubilization	Lecithin (D/d)	3.05 ± 0.045
		Ca₃ (PO₄ )₂ (D/d)	-
		Lecithin (mg/L)	12.64 ± 0.452
		Ca₃ (PO₄ )₂ (mg/L)	1.24 ± 0.024
	Siderophore production (%)		0.20 ± 0.005
	K solubilization efficiency (KE)		2.38 ± 0.056

Note: (+) positive reaction; (-) negative reaction. Results are means ± SD (n = 3) of three independent experiments with each treatment measured on three repetitions. D/d, transparent zone diameter/ colony diameter

ISSN: 1869-2044