Claim · model-written summary
Scaling tests showed many traits were influenced by gene interactions (epistasis), so simple additive models were inadequate.
- Taxon
- Bread Wheat
Triticum aestivumt0 - Outcome
- interactions among genes (epistasis)e0
Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleTreatmentComparatorSettingDirectionValueQualifier
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Bread Wheat”
e0“Scaling tests revealed that many traits were influenced by interactions among genes (epistasis), so simple additive models were inadequate”
Title
Six-Parameter Genetic Analysis for Grain Yield and Related Traits of Three Bread Wheat Crosses
M. T. El. Shehab El Deen; M. S. Genedy; A. M. Sharshar Journal of Plant Production 2026. doi:10.21608/jpp.2026.455650.1551
Other claims from this paper (7)
- Observation Mean values of F2 were generally lower than those of F1.
- Observation Some F2 individuals exceeded the parental limits, suggesting transgressive segregation.
- Observation All traits were governed by additive and non-additive effects, with dominance more pronounced than additive effects in most cases.
- Observation Broad-sense heritability estimates were generally elevated.
- Observation Narrow-sense heritability was low to moderate.
- Observation Expected genetic advance was small to moderate across most characteristics.
- Observation The F1 of the third cross (Misr4 x Line1) had the highest mean grain yield and superior component performance.