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Digitale Medien

Genetic investigation of contributions of embryo and endosperm genes to malt Kolbach index, alpha-amylase activity and wort nitrogen content in barley (1998)

Yan, X. F. ; Xu, S. Y. ; Xu, Y. H. ; [weitere]

Springer

Theoretical and applied genetics 96 (1998), S. 709-715

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ISSN: 1432-2242

Schlagwort(e): Key words Two-rowed barley ; Embryo and endosperm effects ; Kolbach index ; Alpha-amylase ; Wort-N ; GE interaction

Quelle: Springer Online Journal Archives 1860-2000

Thema: Biologie

Notizen: Abstract A genetic model is proposed for the analysis of embryo and endosperm effects as well as GE interaction effects. An investigation of three malting quality traits in grains of seven parents and their F2s was undertaken in a half-diallel cross of barley (Hordeum distichum L.) over 2 years. The results indicated that the malt Kolbach index (KI), alpha-amylase activity (αAA) and wort soluble nitrogen (Wort-N) are controlled by both embryo genetic effects and endosperm genetic effects. Variance of the endosperm additive effects was obviously larger than that of the embryo additive effects. In the contribution of the embryo genetic effects to variation in malt αAA and Wort-N, the dominance effects were considerably larger than the additive effects. The endosperm dominance effects constituted a major part of the total genetic effect on the KI. Significant endosperm GE interactions were also detected in the malt traits concerned. Endosperm general heritability (h 2 e ) tended to be larger than interaction heritability (h 2 oE or h 2 eE ) for all the traits. Endosperm heterosis was observed to be significantly positive for αAA but negative for Wort-N in the F2 seed generation. Prediction of main gene effects for seven parents showed that ‘Ganmu 2’ and ‘Supi1’ were suitable parental varieties for malt αAA and Wort-N improvement. Our genetic model for malting quality traits and its application in breeding are discussed.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/s001220050792

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Electronic structure of the titanium-based oxypnictide superconductor Ba_{0.95}Na_{0.05}Ti_{2}Sb_{2}O and direct observation of its charge density wave order (2016)

Q. Song, Y. J. Yan, Z. R. Ye, M. Q. Ren, D. F. Xu, S. Y. Tan, X. H. Niu, B. P. Xie, T. Zhang, R. Peng, H. C. Xu, J. Jiang, and D. L. Feng

American Physical Society (APS)

In: Physical Review B

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Publikationsdatum: 2016-01-13

Beschreibung: Author(s): Q. Song, Y. J. Yan, Z. R. Ye, M. Q. Ren, D. F. Xu, S. Y. Tan, X. H. Niu, B. P. Xie, T. Zhang, R. Peng, H. C. Xu, J. Jiang, and D. L. Feng Ba 0.95 Na 0.05 Ti 2 Sb 2 O is a titanium-based oxypnictide superconductor with possible density wave order. We have performed high-resolution angle-resolved photoemission spectroscopy and scanning tunneling microscopy (STM) studies on Ba 0.95 Na 0.05 Ti 2 Sb 2 O . Our STM studies find a charge density wave (CDW) or... [Phys. Rev. B 93, 024508] Published Mon Jan 11, 2016

Schlagwort(e): Superfluidity and superconductivity

Print ISSN: 1098-0121

Digitale ISSN: 1095-3795

Thema: Physik

Publiziert von American Physical Society (APS)

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