Sampling bias in estimating Design II variance components with S sub(1) families

Sampling bias in estimating Design II variance components with S sub(1) families

The use of several S sub(1) individuals to represent an S sub(0) individual permits the use of a Design II mating scheme for plants with only one pistillate flower per plant. Estimates of additive (V sub(A)) and dominance (V sub(D)) variance from this mating scheme will be biased upwards, when a sma...

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Veröffentlicht in:Theoretical and applied genetics 1985-01, Vol.70 (3), p.318-321
Hauptverfasser: Jones, L P, Compton, WA
Format: Artikel
Sprache:eng
Schlagworte:
dominance
mating
plant breeding
quantitative inheritance
sampling
statistical genetics
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Zusammenfassung:The use of several S sub(1) individuals to represent an S sub(0) individual permits the use of a Design II mating scheme for plants with only one pistillate flower per plant. Estimates of additive (V sub(A)) and dominance (V sub(D)) variance from this mating scheme will be biased upwards, when a small number (10) of individuals of each S sub(1) line are used. This bias can be computed, and the additive and dominance estimates can be corrected.
ISSN:0040-5752