The endophytic bacteria isolated from elephant grass (Pennisetum purpureum Schumach) promote plant growth and enhance salt tolerance of Hybrid Pennisetum

Table 1 PGP properties of the tested four endophytic bacterial strains

Strains	IAA production capacity	ACC deaminase activity (nmol α-KB/h/mg)	Nitrogen fixing capacity ^a	Ammonia production capacity	Siderophore production capacity ([(Ar − As)/Ar] × 100 %)^b	Inorganic phosphate solubilizing capacity
Sphingomonas sp. pp01	19.85 ± 1.67	524.82 ± 32.60	++++	+	10.33 ± 2.21	+
Bacillus sp. pp02	10.50 ± 2.19	225.20 ± 82.20	++	+	64.06 ± 7.27	+
Pantoea sp. pp04	40.88 ± 0.80	1106.66 ± 78.59	+++	+	−25.61 ± 2.50	+
Enterobacterc sp. pp06	759.19 ± 54.42	902.14 ± 34.99	+	+	21.11 ± 2.54	+

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