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GrainGenes Marker Report: Ch2 (Triticum)

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Gene	Ch2 (Triticum)
Gene Class	Hybrid chlorosis, type 1
Allele	Ch2 (Triticum) ch2 (Triticum)
Locus	Ch2
Reference	Hermsen JGTh (1966) Hybrid necrosis and red hybrid chlorosis. Proceedings of the 2nd International Wheat Genetics Symposium, Hereditas Supplement, Lund, Sweden 2:439-452. Metzger RJ WGS-95-1333-Ref#709. Hermsen JGTh WGS-95-1333-Ref#373.
Chromosome	3D Tsunewaki K and Kihara H (1961) F1 monosomic analysis of Triticum macha. Wheat Information Service 12:1-2.
Chromosome Arm	3DL Koba T and Tsunewaki K (1978) Mapping of the s and Ch2 genes on chromosome 3D of common wheat. Wheat Information Service 45:18-20. McIntosh RA WGS-95-1333-Ref#660.
Germplasm	Hexaploid stock Chinese Spring Tsunewaki K and Kihara H (1961) F1 monosomic analysis of Triticum macha. Wheat Information Service 12:1-2. Chinese Spring Hermsen JGTh (1966) Hybrid necrosis and red hybrid chlorosis. Proceedings of the 2nd International Wheat Genetics Symposium, Hereditas Supplement, Lund, Sweden 2:439-452.
Comment	Allelic variation at the Ch2 locus is suggested in 373 and 709. Prelude, Reward and Red Bobs are exceptional in producing severe symptoms and death at an early stage. Konosu 25 may carry a weak allele (709). Different alleles in C306 (strong) and Sonalika (medium) were suggested in 501. Hexaploid stock: T. vavilovi.
Wheat Gene Catalog Reference	373 Hermsen JGTh WGS-95-1333-Ref#373. 709 Metzger RJ WGS-95-1333-Ref#709.
Info Source	McIntosh RA et al. (1995) Catalogue of gene symbols for wheat. Proceedings of the 8th International Wheat Genetics Symposium 1333-1500.
Data Curator	Hart, Gary E. 95.08.24
Locus Associated with Gene	Ch2
Type	Gene
Chromosome	3D
Chromosome Arm	3DL
Map	Triticum-Genes-3D 43.5
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Map Data	Wheat genes
2 Point Data	Centromere/Ch2#1
Associated Gene	Ch2 (Triticum)
Gene Class	Hybrid chlorosis, type 1
Reference	Koba T and Tsunewaki K (1978) Mapping of the s and Ch2 genes on chromosome 3D of common wheat. Wheat Information Service 45:18-20.

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