Phenotypic Early Generation Selections in Some Hybrid Potato Combinations
2019
Özge Koyutürk | Güngör Yılmaz | Rahime Karataş | Başak Özyılmaz | Aslı Yılmaz | İlker Polat | Levent Yazici
The main objective of selection studies is to select genotypes with superior properties from hybrid combinations. In this study, seedling and first clonal generation stages were carried out with the variation obtained by using hybrid seeds from three different hybrid potato combinations. The research was carried out in cloth greenhouse (seedling generation) and field (first clonal generation) in Tokat/Kazova conditions between 2017 and 2018. In the study, 5500 hybrid true potato seeds were used from three combinations (A3/15×Bafana, T5/4×Bafana, Başçiflik Beyazı×Lady Olympia) created by using five different parents. These hybrid true potato seed were planted in 13x8 vials and then seedlings were transplanted to appropriate sized pots (15×24 cm) when they reached to 10-15 cm length. The hybrid clones obtained from the seedlings were selected according to the breeder preference and the first clonal generation stage was started with the clones (1380 clones) which were suitable to be continued. The plantings were constructed with 70×50 distance in the field conditions. After harvest, each of the 1380 clones was examined separately and 1100 clones were selected as a result of negative selection made by considering the phenotypic characteristics of the tubers.
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