, 5 mM issues de la rhizosphère de O. chalcidica ont été criblées sur des traits PGP, à savoir pour leurs aptitudes à produire de l'ACCd, à solubiliser le P et à produire des sidérophores et ont été affiliées taxonomiquement (Tableau 46), Parmi ces souches sont présents les genres Chryseobacterium, Dyadobacter, Janthinobacterium, Methylobacterium, Rhodococcus, Shinella et Streptomyces et l'espèce Tardiphaga robiniae, vol.34

, Concernant l'activité ACCd, sur les 34 souches criblées, dix souches présentent une activité

, Au total, 56% des souches isolées possèdent l'activité ACCd, 47% peuvent solubiliser le P et 68% produisent des sidérophores. Onze souches, soit 32%, possèdent les trois traits PGP. Seulement six souches (18%) ne possèdent aucun des traits PGP criblés

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