The Date Palm Tree Rhizosphere Is a Niche for Plant Growth Promoting Bacteria in the Oasis Ecosystem

Figure 2

Diversity and functionality of cultivable bacteria islated from date palm rhizosphere. (a) Phylogenetic identification at the genus level of culturable bacteria associated with date palm rhizosphere. (b) Percentage of date palm rhizosphere-associated bacteria showing PGP activity. (c) Percentage of isolates displaying the assayed abiotic stress tolerance in the bacterial collection of strains associated with date palm cultivated in the seven oases analysed.

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