Six faba bean genotypes and their fifteen F1 faba bean crosses derived from a half diallel cross were sown in a randomized complete block design with three replicates. Combining ability was assessed for earliness, yield, its attributes, chocolate spot disease and quality characters under control and artificial infection by chocolate spot disease. Mean square due to general combining ability (GCA) and specific combining ability (SCA) were highly significant for all studied characters under these conditions. The GCA/SCA ratio was more than the unity for earliness characters, plant height, number of branches/plant, pod length, number of seeds/plant, 100-seed weight, seed yield/plant, chocolate spot disease and quality characters under these conditions as well as chlorophyll content and number of pods/plant under the control condition. While, the ratio of GCA/SCA variances was less than unity for number of seeds/plant under the control condition as well as chlorophyll content and number of pods/plant under the artificial infection one. Additionally, GCA/SCA ratio was near to unity for number of seeds/plant under the artificial infection condition. The parental genotypes P1 (Sakha 4) and P2 (Misr 3) under both conditions, P3 (Nubaria 1) and P5 (Triple white) under the control one and P4 (Wadi 1) under the artificial infection one were the best general combiners for grain yield/plant. Furthermore, the crosses P1x P3, P1 x P6, P2 x P4, P2 x P5, P3 x P4, P3 x P5 and P5 x P6 under the control condition as well as P1x P4, P2 x P6, P3x P5, P3 x P6 and P5 x P6 under the artificial infection one had the best SCA effects for seed yield/plant