ISSN:
1432-2242
Keywords:
Puccinia graminis tritici
;
Puccinia recondita Tritici
;
Triticum aestivum
;
Rust resistance
;
Gene identification
Source:
Springer Online Journal Archives 1860-2000
Topics:
Biology
Notes:
Summary Genes for resistance toPuccinia graminis tritici andPuccinia recondita tritici identified in four South African wheats were:Sr6,Sr8a,Sr9e, andLr13 in ‘W3762’;Sr5,Sr8a,Sr9b,Sr12,Sr24,Lr13, andLr24 in ‘W3760’;Sr2,Sr24,SrC,Lr13, andLr24 in ‘W3751’; andSr7a,Sr23,Sr36, andLr16 in ‘W3755’. GenesSr2,Sr9e, andSr24 also conferred adult plant resistance to the predominant pathotypes ofP. graminis tritici. GenesSr7a,Sr23, andSrC, when present alone, did not confer acceptable adult plant resistance, even though low seedling reactions were associated with them when tested with the same pathotypes. Genetic recombination betweenLr13 andSr9e was estimated at 12.5%±2.3%.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF01186086
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