Influence of storage conditions on seed quality and longevity of four vegetable crops. Yield components and chemical compositions of some potato cultivars: in vitro microtubers production and field performance. Somatic embryogenesis of pepper (Capsicum annuum L.) and regeneration of transgenic plants after Agrobacterium-mediated transformation. Studies on somatic embryogenesis and plant regeneration of squash (Cucurbita pepo L.). Effect of bio and mineral fertilizer on growth and productivity of pea Effect of foliar spray by some natural stimulating compounds on growth, yield and chemical composition of peas (Pisum sativum L.) Genetic engineering for increasing salinity tolerance in tomato Physiological and Biotechnological Studies on Some Local and Foreign Garlic Genotypes Biotechnological studies on interspecific crosses among some Cucurbita species. Biotechnological investigations on regeneration and transformation in (Capsicum annuum L.) Effect of foliar spray with some safety compounds on growth, productivity and quality of some strawberry cultivars. J. Plant Production, Mansoura Univ., Vol. 5 (8): 1419 – 1432. Regeneration of pepper (Capsicum annuum L.) and evaluation of antioxidant compounds at various ripening stages Evaluation of some biochemical properties in different tomato genotypes obtained from tissue culture technique Comparison of different genotypes of rocket (Eruca sativa) in terms of chemical compounds extracted from seeds and in the callus induced from tissue culture. Comparison of different genotypes of fennel (Foeniculum vulgare Mill.) in terms of chemical compounds extracted from seeds and in the callus induced from tissue culture. Genetic engineering to improve β-carotene content in pepper. Response of strawberry plants to bio fertilization with methylotrophic bacteria and spray with methanol Inheritance of some Fruit Quality Characteristics of Melon Inheritance and nature of some economic characteristics in sweet corn Genetic diversity in some foreign Cassava genotypes using SDS-protein electrophoresis and inter simple sequence repeat markers (ISSRS) Estimation of genetic components and heritability for fruits yield and quality characters in tomato (Solanum Lycopersicom) Mean Performance and Heterosis for Yield and Fruit Traits of Tomato under Drought Conditions Effect of Nutrition and pruning Methods on productivity and quality of cucumber Hybrids in Greenhouse Effect of nitrogen fertilizers forms on fruit yield and quality of squash plants. (cucurbita pepo) Transcriptome analysis and codominant markers development in caper, a drought tolerant orphan crop with medicinal value