Phenotypic distribution of barley SSD lines and doubled haploids derived from F1and F2hybrids
Identifieur interne : 000F22 ( Main/Exploration ); précédent : 000F21; suivant : 000F23Phenotypic distribution of barley SSD lines and doubled haploids derived from F1and F2hybrids
Auteurs : Maria Surma [Pologne] ; Tadeusz Adamski [Pologne] ; Zygmunt Kaczmarek [Pologne] ; Stanisław Czajka [Pologne]Source :
- Euphytica [ 0014-2336 ] ; 2006.
English descriptors
- Teeft :
- Barley, Barley population, Coefficient, Correlation coefficient, F1dh, F1dh f2dh, F1dhvsssd, F1dhvsssd f2dhvsssd, F2dh, F2dh line, F2dhvsssd, Gene responsible, Genet, Grain weight, Haploid, Homozygous line, Hordeum vulgare, Hybrid, Independent inheritance, Individual trait, Intern, Internode, Kaczmarek, Linkage, Lower internode, Metrical trait, Nonallelic interaction, Parental genotype, Partial linkage, Particular internode, Quantitative trait, Quantitative trait locus, Significant difference, Single seed descent, Spike, Spike length, Theor appl genet, Trait, Transgressive line, Variance, Wall thickness.
Abstract
Summary: The doubled haploid (DH) system and the single seed descent (SSD) technique are frequently applied in breeding of self-pollinated crops to rapidly obtain homozygous lines from heterozygous hybrids. This study presents a comparison of populations of barley DH and SSD lines in terms of traits of stem structure. The SSD and DH lines derived from F1 and F2 hybrids Roland x Apex were examined in a field experiment. On the basis of a comparison of means, variances and correlations between traits in the F1DH, F2DH and SSD populations the occurrence/absence of linkage between genes responsible for the analysed traits was inferred. Independent inheritance was found for 1000-grain weight and the length of particular internodes, spike length and stem wall thickness. Moreover, no linkage was found for stem wall thickness and spike length, length of internodes I, II and thickness of stem walls, stem diameter and thickness of stem walls. The results obtained for the other pairs of traits indicate the presence of linkage.
Url:
DOI: 10.1007/s10681-005-9046-7
Affiliations:
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trait</term><term>Quantitative trait locus</term><term>Significant difference</term><term>Single seed descent</term><term>Spike</term><term>Spike length</term><term>Theor appl genet</term><term>Trait</term><term>Transgressive line</term><term>Variance</term><term>Wall thickness</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Summary: The doubled haploid (DH) system and the single seed descent (SSD) technique are frequently applied in breeding of self-pollinated crops to rapidly obtain homozygous lines from heterozygous hybrids. This study presents a comparison of populations of barley DH and SSD lines in terms of traits of stem structure. The SSD and DH lines derived from F1 and F2 hybrids Roland x Apex were examined in a field experiment. On the basis of a comparison of means, variances and correlations between traits in the F1DH, F2DH and SSD populations the occurrence/absence of linkage between genes responsible for the analysed traits was inferred. Independent inheritance was found for 1000-grain weight and the length of particular internodes, spike length and stem wall thickness. Moreover, no linkage was found for stem wall thickness and spike length, length of internodes I, II and thickness of stem walls, stem diameter and thickness of stem walls. The results obtained for the other pairs of traits indicate the presence of linkage.</div></front></TEI><affiliations><list><country><li>Pologne</li></country></list><tree><country name="Pologne"><noRegion><name sortKey="Surma, Maria" sort="Surma, Maria" uniqKey="Surma M" first="Maria" last="Surma">Maria Surma</name></noRegion><name sortKey="Adamski, Tadeusz" sort="Adamski, Tadeusz" uniqKey="Adamski T" first="Tadeusz" last="Adamski">Tadeusz Adamski</name><name sortKey="Czajka, Stanislaw" sort="Czajka, Stanislaw" uniqKey="Czajka S" first="Stanisław" last="Czajka">Stanisław Czajka</name><name sortKey="Kaczmarek, Zygmunt" sort="Kaczmarek, Zygmunt" uniqKey="Kaczmarek Z" first="Zygmunt" last="Kaczmarek">Zygmunt Kaczmarek</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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