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GrainGenes Gene Class Report: Sphaerococcum

Gene Class
Sphaerococcum
Reference
ReferenceSchmidt JW and Johnson VA (1966) Inheritance of the Sphaerococcum effect in tetraploid wheat. Wheat Information Service 22:5-6.
ReferenceBozzini A (1965) Sphaerococcoid, a radiation-induced mutation in Triticum durum Desf. Use of Induced Mutations in Plant Breeding. Proceedings of FAO/IEAE Meeting, Rome, Italy 375-383.
ReferenceSchmidt JW and Johnson VA (1963) A sphaerococcum-like tetraploid wheat. Crop Science 3:98-99.
ReferenceSchmidt JW et al. (1963) Inheritance of an incompletely dominant character in common wheat simulating Triticum sphaerococcum. Crop Science 3:261-264.
ReferenceJoppa LR WGS-95-1333-Ref#442.
Abbreviation
s
Character affected
Gross morphology
Gene
s1 (Triticum)
[ Show all 16 ]
Locus
Xgwm2-3A
[ Show all 10 ]
Comment
See 'Gene_Class : Spelt' for comments regarding the Q, C, and S1 genotypes of hexaploid wheats and the durum and carthlicum groups.
Sphaerococcum-like tetraploid wheats have been reported (93, 324, 908, 910), but comparisons between them, or with s2, have not been made. Whereas Schmidt & Johnson (907) reported a single recessive factor controlling the sphaerococcum character in tetraploid wheat, Joppa (442), using the same stock, found that two recessive genes were necessary to produce this phenotype.
Wheat Gene Catalog Reference
908
ReferenceSchmidt JW and Johnson VA (1966) Inheritance of the Sphaerococcum effect in tetraploid wheat. Wheat Information Service 22:5-6.
93
ReferenceBozzini A (1965) Sphaerococcoid, a radiation-induced mutation in Triticum durum Desf. Use of Induced Mutations in Plant Breeding. Proceedings of FAO/IEAE Meeting, Rome, Italy 375-383.
907
ReferenceSchmidt JW and Johnson VA (1963) A sphaerococcum-like tetraploid wheat. Crop Science 3:98-99.
910
ReferenceSchmidt JW et al. (1963) Inheritance of an incompletely dominant character in common wheat simulating Triticum sphaerococcum. Crop Science 3:261-264.
442
ReferenceJoppa LR WGS-95-1333-Ref#442.