Multivariate statistical analysis of yield, its components and characters above the flag leaf node in spring rye
- 1 April 1973
- journal article
- Published by Springer Nature in Theoretical and Applied Genetics
- Vol. 43 (2) , 88-90
- https://doi.org/10.1007/bf00274963
Abstract
The relationships between yield and its components and structures above the flag leaf node were studied in an 8 X 8 diallel of spring rye (Secale cereale L.) by the use of multivariate statistical procedures. Stepwise multiple regression analysis showed that flag leaf characters did not account for significant amounts of variability in yield or its components. Principal component analysis showed no association between yield (and its components) and flag leaf characters while the canonical correlation between the two sets of characters was significant. Das Verhältnis von Ertrag und Ertragskomponenten zur Struktur oberhalb des letzten Halmknotens wurde in einer 8 X 8 diallelen Kreuzungsserie mit Sommerroggen (Secale cereale L.) untersucht. Dabei wurden multivariate statistische Methoden angewandt. Stufenweise mehrfache Regression zeigte, da\ alle gemessenen Eigenschaften des Fahnenblattes keinen signifikanten Einfluß hatten, weder auf die Variabilität des Gesamtertrages noch auf die der Eitragskomponenten. Eigenvektor-Faktorenanalyse zeigte keinen Zusammenhang zwischen Ertrag und Ertragskomponenten zu Eigenschaften des Fahnenblattes, während eine kanonische Korrelation zwischen diesen beiden Eigenschaftsgruppen signifikante Beziehungen aufwies.Keywords
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