Study on combining ability and heterotic pattern in cucumber (Cucumis sativus L.)

V. Gözen, L. Keskin, A. Eren
This research was carried out to determine general combining ability (GCA) and heterotic pattern by using a line × tester mating design in cucumber. General combining ability (GCA) and specific combining ability (SCA) were evaluated for total yield and number of fruits per plant of cucumber in a line × tester mating design comprising 41 inbred lines and 2 testers which yielded two heterotic groups. The 82 F1 hybrids were planted in a randomized complete block design with two replications in a greenhouse at the Bati Akdeniz Agricultural Research Institute, Antalya, during the spring growing season of 2012. The results revealed that line × tester interaction and differences among the inbred lines were high and significant for total yield per plant. The highest effect on GCA among lines had TH-44, TH-62 and TH-76 for yield per plant. On the other hand, TH-33, TH-192 and TH-281 were found to have high GCA effects for number of fruits. Considering SCA effects, 10 out of the 41 inbred lines tested were classified into two heterotic groups (seven into group A and three into group B) for yield and number of fruits per plant. Finally, 10 diverse inbred (7 maternal and 3 paternal) lines can be recommended as potential parental lines in order to develop new hybrid cultivars in cucumber.
Gözen, V., Keskin, L. and Eren, A. (2020). Study on combining ability and heterotic pattern in cucumber (Cucumis sativus L.). Acta Hortic. 1282, 213-220
DOI: 10.17660/ActaHortic.2020.1282.33
https://doi.org/10.17660/ActaHortic.2020.1282.33
cucumber, combining ability, heterotic pattern, line × tester, yield
English

Acta Horticulturae