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Asynchronous meiosis in Cucumis hystrix –cucumber synthetic tetraploids resulting in low male fertility
2016
Crop Journal
Interspecific hybridization and allopolyploidization contribute to the improvement of many important crops. Recently, we successfully developed an amphidiploid from an interspecific cross between cucumber (Cucumis sativus, 2n = 2x = 14) and its relative C. hystrix (2n = 2x = 24) followed by chemical induction of chromosome doubling. The resulting allotetraploid plant was self-pollinated for three generations. The fertility and seed set of the amphidiploid plants were very low. In this study, we
doi:10.1016/j.cj.2016.05.003
fatcat:je3c57rpp5c2bjdo3bmsnda6eu