Combining ability of the strains and varieties of oats
Part II. Yellow-grain oats (A. sativa L. var. aurea)
Tadeusz Śmiałowski
zhsmialo@cyf-kr.edu.plZakład Roślin Zbożowych, Instytut Hodowli i Aklimatyzacji Roślin, Oddział w Krakowie (Poland)
Stanisław Węgrzyn
Zakład Roślin Zbożowych, Instytut Hodowli i Aklimatyzacji Roślin, Oddział w Krakowie (Poland)
Abstract
The statistical analysis of combining ability in yellow-grain oats was performed for three traits; grain yield, plant height and date of heading (in days after May 1st), basing on results of 5,6 and 7 years investigations on generations from F5 to F8 for 1107, 1769 and 1593, strains respectively. The strains were obtained from crosses between 11 testers and 41 strains for yield grain, 14 testers and 41 strains for plant height and 14 testers and 38 strains for heading. The analysis of variance, carried out in hierarchic design, proved highly significant mean squares for years, testers, varieties and combinations of all the traits. The effects of combining ability were estimated for testers, combinations and varieties. Basing on the results, the group of varieties was shown, which transmitted well the characters to progeny, and the prospective cross combinations were selected, in which improvement is possible.
Keywords:
combining ability, strains, varieties, yellow grain oats, grain yield, plant height, headingReferences
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Authors
Tadeusz Śmiałowskizhsmialo@cyf-kr.edu.pl
Zakład Roślin Zbożowych, Instytut Hodowli i Aklimatyzacji Roślin, Oddział w Krakowie Poland
Authors
Stanisław WęgrzynZakład Roślin Zbożowych, Instytut Hodowli i Aklimatyzacji Roślin, Oddział w Krakowie Poland
Statistics
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