... www.afs-journal.orgDOI: 10.1051/forest:2007032Original articleMorphological evaluation of cork oak (Quercus suber): Mediterranean provenance variability in TunisiaMhemmed Ga*, Mohamed Larbi Kb,LamjedTc,SaợdaTaaLaboratoire ... evaluated in the INRGREF station in theregion of Nefza (140 km to the west of Tunis), where 30 blocks weredefined. The pre-planting started in 1997. Cork oak seedlings weregrown for 4 months in monospecific ... Twenty-six provenances (2 340 plants) of cork oak (Quercus suber spp.) originating from Portugal, Spain, Italy, Morocco, Algeria, andTunisia were tested for genetic variation among and within provenances...