Abstract
Generation mean analysis was studied among hybridization of local cultivated tomato(P1) with wild type(Lycopersicon pimpinellifolium) (P2), the F1 plants was selfed for F2 seeds and backcrossed to get 6 tomato genotype plants P1, P2, F1, F2, BC1F1 and BC2F1 plants were planted in a randomized block design with three replications. The experiment was carried out at the Horticulture Department, University of Mosul. The results showed that The genetic parameters was additive for number of fruits/plant vit c, plant height, number of seeds / fruit,and fruit weight. Whereas the dominant effect was significant for: flower number/cluster fruit weight(g), plant height (cm) and total yield of fruits. The values of F1, BC1F1 and BC2F1 genotypes were exceeded their parents in the characters: of yield and number of fruits per cluster, Vit C, TSS%, and were under the control of duplicate epistasis while the number of locules per fruit was governed by complementary gene interaction.
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