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GrainGenes Reference Report: BIU-230-205

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Reference	BIU-230-205
Title	The genetic and statistical analysis of the heritability of important traits in winter rye (Secale cereale L.)
Journal	Biuletyn Instytutu Hodowli i Aklimatyzacji Roslin
Year	2003
Volume	230
Pages	205-214
Author	Smialowski T Wegrzyn S
Language	Polish
Abstract	The epistatic, dominance and additive actions of the genes controlling inheritance of 12 traits (plant height, grain weight per ear, number of grains per ear, number of ears per plot, length of ear, length of internode, weight of 1000 grains, test weight, brown rust infection, grain yield per plot, protein content and falling number) in 11 cultivars of winter rye (Dankowskie Zlote, Dankowskie Nowe, Motto, Warko, Wibro, Zduno, Adar, Arant, Amilo, Kier and Walet) were evaluated. Significant epistasis for all traits was observed. The epistasis of 'i' type, resulting from interaction of homozygous loci with homozygous loci, was detected for the length of internode. The epistasis of 'i,l' type, resulting from the interaction between homozygous loci and heterozygous loci as well as between heterozygous loci and heterozygous loci, was characteristic of all the others traits. Analysis of variance for an additive-dominance model showed the advantage of dominant genes over additive ones for most of the analysed traits. Strong overdominance for plant height, number of grains per ear, length of internode, brown rust infection and weight of 1000 grains was observed. The heritability h2 (in narrow sense) was high for a number of grains per ear, length of internode and weight of 1000 grains. The heritability h2 (in broad sense) was high for all traits, excluding number of ears per plot
Keyword	analysis of variance [ Show all 20 ]

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