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This study was conducted to assess the morphological, chemical and genetical diversity among eight carob female strains through two successive seasons (2011 and 2012) in Bourg El-Arab region of Alexandria governorate. The analyzed strains were highly significant for characters of pod weight fruit shape. Strains 2 and 4 always detected the highest approximated yield; this yield ranged from 26 to 28Kg/ tree. The obtained resultsof chemical composition (protein, sugar, tannin, total sugar, flavonoid and total phenol content) exhibit significant differences. RAPD primers tested with the DNA of the eight carob strain, revealed percentage of polymorphism ranged from 10% (OPZ19) to 84.62% (OPA10). Moreover, eleven unique markers were identified with the tested strains. Dendrograms based upon chemical and genetical data clustered almost the same strains in the same group reflecting a relationship between chemical and genetical characteristics.

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Aims: Evaluate the responses of five jojoba genotypes to in vitro nodal segments and shoot tip culture under different growth regulators combinations. Study Design: Comparative evaluation between vegetative and in vitro propagation of jojoba genotype. Place and Duration:The study was carried out in tissue culture lab of fruit breeding department during 2015. Methodology: Five selected elite genotypes of jojoba symbolled by 'C10, C16, C18, C19 and C21', and cultivated in the Cairo-Alexandria desert road were propagated asexually via cutting and Original Research Article

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