VARIETAL VARIABILITY OF ARGAN TREE FOLIAGE ARGANIA SPINOSA (L) SKEELS IN VARIOUS BIOCLIMATIC STAGES IN ALGERIA

Abstract

The study of the morphological difference of 628 leaves of the argan tree Argania spinosa (L.) Skeels
was carried out by subjective sampling after a period of field data collection in spring 2017 through the
various wilayas: Mascara, Mostaganem, Algiers, Bechar, Adrar, Tindouf. The objective was a varietal
identification of foliage through the bioclimatic stages. However a measurement of two biometric
criteria (length and width) was carried out, which shows a differentiation of forms between the samples
studied by the significant differentiation at which with a low correlation R² = 27.2%, the effect of climate
on the shape of the leaves is noticeably well represented.