EARLY IDENTIFICATION OF SUPERIOR BARLEY CROSSES: A COMPARISON OF METHODS

EARLY IDENTIFICATION OF SUPERIOR BARLEY CROSSES: A COMPARISON OF METHODS

The grain yields of the parents and F2 through F5 generations of 21 barley crosses from a seven-parent diallel, and samples of 20 doubled-haploid (DH) lines from the same crosses were evaluated in hill-plots. Mid-parental yield values, average parental general combining ability effects, and early-ge...

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Veröffentlicht in:Cereal research communications 1987-01, Vol.15 (2/3), p.89-94
Hauptverfasser: MATHER, D.E., PATEL, J.D., REINBERGS, E.
Format: Artikel
Sprache:eng
Schlagworte:
Barley
Breeding
Cereal grains
Correlation coefficients
Crop science
Grains
Oats
Segregation
Soybeans
Wheat
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Zusammenfassung:The grain yields of the parents and F2 through F5 generations of 21 barley crosses from a seven-parent diallel, and samples of 20 doubled-haploid (DH) lines from the same crosses were evaluated in hill-plots. Mid-parental yield values, average parental general combining ability effects, and early-generation bulk performance were not good predictors of the performance of the DH lines that were derived from these crosses. The failure of these criteria to identify superior crosses may be due to epistasis, which has previously been detected in this material.
ISSN:0133-3720
1788-9170