الفهرس 
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Abstract
The genetic materials used in the present study included six cultivars of cucumber (Cucumis sativus L.). Crosses were made in all possible combinations (half diallel) to produce 15 F1 hybrids. The genetic materials used in the evaluation experiment included 22 genotypes (six cultivars and 15 F1 hybrids in addition to Madina hybrid as a check hybrid). These 22 genotypes were evaluated in a field experiment at El- khatatba, South of EL-Tahrir region during the summer season of 2008 in a randomized complete block design with three replications. Data were obtained on mean plot basis for each character in each genotype. Griffng`s daillel analysis method 2 model 1 were used to estimate GCA and SCA, also heterosis was calculated.
Data were recorded on some vegetative and flowering traits; also yield and its components, as well as fruit characteristics were recorded.