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cereus J156, represent potential biofertilizers suitable for soils that are poor in P, and/or heavy metals contaminated. cereus J156, remaining strains displayed resistance at least to one of tested antibiotics. Lastly, antibiotic resistance profiling revealed that except for Pseudomonas sp. cereus J156 remarkably increased germination rate and seedlings growth. Phenotypic analysis of the potential of the isolates to promote early plant growth showed that wheat seeds inoculated with either P. J153 withstood 1,500 µg mL −1 of either copper sulfate or cadmium sulfate.
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cereus J156 grew on plates containing 1,500 µg mL −1 of nickel nitrate, while Pseudomonas sp. Indole-3- acetic acid and ammonia were also produced by all strains, with a maxima of 204.28 µg mL −1 in Bacillus megaterium J11 and 0.33 µmol mL −1 in Pseudomonas sp. J10, Paenibacillus xylanexedens J155 and Bacillus cereus J156. J153 & J154, whereas cellulase was restricted only to Pseudomonas sp. Proteases activity was missing in Pseudomonas sp. Siderophores were produced by all strains. Genotypic identification based on 16S rDNA sequencing, revealed six strains that belong to Pseudomonas (J10, J12, J13, J15, J153 and J154), two to Bacillus (J11 and J156), and one to Paenibacillus J155. Here, we isolated, for the first time in Morocco, nine phosphate solubilizing bacteria strains from jujube rhizosphere, designated J10 to J13, J15, & J153 to J156. Jujube plant ( Ziziphus lotus (L.) Desf.) can survive in arid climates and tolerates both biotic and abiotic stresses.