GrainGenes Allele Report: Sh (Hordeum)

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Allele	Sh (Hordeum)
Reference	Laurie DA et al. (1995) RFLP mapping of five major genes and eight quantitative trait loci controlling flowering time in a winter x spring barley (Hordeum vulgare L.) cross. Genome 38:575-585.
Gene	Sh (Hordeum)
Germplasm	Germplasm Igri (barley) Laurie DA et al. (1995) RFLP mapping of five major genes and eight quantitative trait loci controlling flowering time in a winter x spring barley (Hordeum vulgare L.) cross. Genome 38:575-585.
Phenotype	In DH lines derived from an Igri x Triumph cross, increased flowering time (days to heading) in unvernalized plants, but not in plants that had undergone a vernalization treatment (5 degrees C, 8h light for 6 wk). Model fitting revealed a 0.9d delay in autumn-sown plants and a 1.0d delay in spring-sown plants (1).
Property	Dominant
Interactions	Presence of Sh2 allele (and possibly Ppd-H2 Triumph-type allele) mask effect of this Sh allele. Allele also interacted with eps4L, eps6L.1, eps6L.2, and eps7L 'earliness per se' QTL (1).
Wheat Gene Catalog Reference	1 Laurie DA et al. (1995) RFLP mapping of five major genes and eight quantitative trait loci controlling flowering time in a winter x spring barley (Hordeum vulgare L.) cross. Genome 38:575-585.