PJB-2017-562
Dr.
Mohamed BOUSSAID
Abstract
The wild jujube Ziziphus lotus possesses great potential to be a major choice as a fruit crop in arid and semi-arid zones and looks to be the most important consideration for uncultured, marginally fit and waste soils. There is little information available on the genetic diversity of this important underutilized plant genetic resource. Genetic diversity of Ziziphus lotus L. based on fruits characteristics from nine natural populations encompassing wide range of environments in Algeria was studied. Results revealed a wide range of variations in Z. lotus germplasm. Three phenotypes were illustrated which allowed detecting a gradual phenotypic variation in latitudinal gradient. Populations were divided into groups similar to populations� detachment according to their geographical origins. The bioclimatic effect on qualitative features was negligible. However, quantitative features allowed detecting a significant diversity within and between populations. Such variation provides a good germplasm for breeding objects of this species, principally for table and medicine objectives with good adaptations for wide range of climatic and soil conditions. In addition, the conservation of this variation is highly recommended.
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