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This experiment was carried out at the special farm in El-maia, Dikirnis District, Dakahlia Governorate, Egypt, during 2005 to 2008 seasons. The genetic materials used in the present investigation included two cultivars (F1 hybrid). The two hybrids belonging to (Capsicum annuum L.) which were selfed for five generations during 2005 to 2007 in summer and winter of each season consecutive, to obtain six inbred lines, these lines were called as P1, P2, P3, P4, P5 and P6 which were used in half diallel cross mating design to obtain 15 F1 hybrids. The original populations, inbred lines and their F1 hybrids were evaluated for some economic traits; vegetative growth, flowering, fruit, yield and its component as well as quality traits in field trial during summer 2008 season. The obtained results showed that the highest values recoded in the F1 hybrids compare with original populations and inbred lines were; i.e., P1xP2 and P1xP6 for earliness; P2xP5 for fruit set percent; P2xP6 and P5xP6 for early yield per plot; P3xP4 for total yield per plot; P2xP5 and P1xP2 for total fruit number per plant. As well as, quality traits; i.e., P2xP3, P1xP2 and P1xP3 for total soluble solid in green fruit, P1xP2 and P1xP4 in red fruit; P3xP4, P3xP6 and P4xP6 for ascorbic acid in green fruit, P3xP6 for ascorbic acid in red fruit; P2xP3 and P1xP3 for carotene content in green fruit. However, P1xP2 was the best in red fruit. These crosses could be used in breeding program according to their objectives. Moreover, some of these F1 hybrids can be used as commercial cultivars which may competate with imported hybrids.

STUDIES ON PRODUCTION OF SOME HOT PEPPER (Capsicum annuum L.) HYBRIDS.