Combining ability and heterosis effect of yield structure traits of some winter triticale varieties
Stanisław Węgrzyn
s.wegrzyn@ihar.edu.plZakład Roślin Zbożowych, Instytut Hodowli i Aklimatyzacji Roślin, Oddział w Krakowie (Poland)
Helena Grzesik
Zakład Roślin Zbożowych, Instytut Hodowli i Aklimatyzacji Roślin, Oddział w Krakowie (Poland)
Abstract
Combining ability and heterosis effect is reported for some traits of winter triticale, basing on the factorial mating design of three maternal and five paternal forms. The analysis of variance of the F1 generation and parental forms has shown a significant general combining ability for all traits under study except ear length in case of females. The specific combining ability was significant for culm length and grain number per ear. For ear length, grain weight per ear and 1000-grain weight the specific combining ability was statistically non significant. Heterosis effect was negligible for culm length and ear length, but considerably higher for grain weight per ear and 1000-grain weight.
Keywords:
combining ability, heterosis, triticaleReferences
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Authors
Stanisław Węgrzyns.wegrzyn@ihar.edu.pl
Zakład Roślin Zbożowych, Instytut Hodowli i Aklimatyzacji Roślin, Oddział w Krakowie Poland
Authors
Helena GrzesikZakład Roślin Zbożowych, Instytut Hodowli i Aklimatyzacji Roślin, Oddział w Krakowie Poland
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