International Database for Barley Genes and Barley Genetic Stocks
BGS 591, Reaction to Puccinia hordei 14 (barley leaf rust), Rph14
Stock number: BGS 591
Locus name: Reaction to Puccinia hordei 14 (barley leaf rust)
Locus symbol: Rph14
Previous nomenclature and gene symbolization:
None.
Inheritance:
Monofactorial incomplete dominant (2, 3).
Location is unknown.
Description:
The seedling reaction to most isolates of Puccinia hordei ranges from chlorotic flecks to small lesions (2). Variability in seedling test conditions may alter the size and type of lesion observed. The seedling reaction of heterozygotes is frequently intermediate between that of resistant and susceptible seedlings (3).
No images
Origin of mutant:
Natural occurrence in PI 531901-1 (PI 584760) from Egypt (3).
Mutational events:
Rph14.ab in PI 584760 (GSHO 1592) (1, 2).
Mutant used for description and seed stocks:
Rph14.ab in PI 584760 (GSHO 1592); Rph14.ab in Bowman (PI 483237)*2 (GSHO 2325); Rph14.ab in Bowman*5 (PI 643163, BW686, NGB 22392).
References:
1. Franckowiak, J.D., Y. Jin, and B.J. Steffenson. 1997. Recommended allele symbols for leaf rust resistance genes in barley. Barley Genet. Newsl. 27:36-44.
2. Jin, Y., G.H. Cui, B.J. Steffenson, and J.D. Franckowiak. 1996. New leaf rust resistance genes in barley and their allelic and linkage relationships with other Rph genes. Phytopathology 86:887-890.
3. Jin, Y., and B.J. Steffenson. 1994. Inheritance of resistance to Puccinia hordei in cultivated and wild barley. J. Hered. 85:451-454.
Prepared:
J.D. Franckowiak and Y. Jin. 1998. Barley Genet. Newsl. 28:32.
