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leaf morpho-physiology and phytochemistry of olive trees as affected by cultivar type and increasing aridity

Journal of Arid Land 2022年第10期14卷 1159-1179页

作者： Said TOUATI Jawaher AYADI Abdelhakim BOUAJILA Smail ACILA Rami RAHMANI Jalloul BOUAJILA Mohamed DEBOUBA Laboratory of''Biodiversity Molecule and ApplicationsLR22ES02''Higher Institute of Applied Biology of MedenineUniversity of GabesZrig 6029Tunisia Laboratory of Geosystems Georessources and GeoenvironmentsFaculty of Science of GabesDepartment of Earth SciencesUniversity of GabesZrig 6029Tunisia Laboratory of Biology Environment and HealthDepartment of BiologyFaculty of Nature and Life SciencesUniversity of Echahid Hamma Lakhdar El-OuedChott 39000Algeria Laboratoire de Génie Chimique Universitéde Paul SabatierCNRSINPTUPSToulouseFrance

The olive species(Olea europaea L.)is an ancient traditional crop grown under rainfed conditions in the Mediterranean *** response to the growing national and international demand for olive oil,the olive cultivars are introduced into highly arid new bioclimatic ***,the morpho-physiology and phytochemistry of olive trees are potentially changing among cultivar types and geographical *** the present work,we have undertaken an assessment on the impacts of geographical location and cultivar types on the leaf morpho-physiology and phytochemistry of olive ***,leaves of the two most cultivated olive tree varieties,Chemlal and Sigoise,were collected from three geographical regions(Setif,Batna,and Eloued)with increasing aridity in *** samples from the geographical regions were analyzed using the standard physiological experiment,colorimetric method,and a chromatography *** of both cultivars exhibited a significant variance in terms of the leaf shape index but not for the leaf tissue density,specific leaf weight,and specific leaf *** pigment contents were affected by both cultivar type and geographical location,with the lowest pigment content recorded in the Sigoise cultivar from the Setif *** with the Setif and Batna regions,dried leaves of both cultivars from the Eloued region showed the higher levels of the total polyphenol,total flavonoid,and total tannin,as well as a better antioxidant *** chromatography-mass spectrometry analysis of all leaf extracts identified the following phenolic acids as major compounds:oleuropein,naringin,apigenin-7-O-glucoside,kaempferol,quercetin,quercitrin,luteolin-7-O-naringenin,and quinic *** contents were found for p-Coumaric acid,trans-Ferulic acid,hyperoside,rutin,apigenin,caffeic acid,protocatechuic acid,o-Coumaric acid,and gallic ***,epicatechin and catechin+were not found in the leaf extracts of the Sigoise *** leaf organ

关键词： Olea europaea L. aridity leaf morpho-physiology bioactivity olive cultivar geographical location Algeria

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