(Loegering, 1975)
Synonym
Srpl (Loegering, 1975).
Low Infection Type
;2- (Roelfs and McVey, 1979).
Environmental Variability
Unknown.
Origin
Common wheat cv. Chinese Spring.
Pathogenic Variability
Most P. graminis f. sp. tritici isolates are virulent.
Reference Stocks
v: Chinese Spring; the contrasting line lacking Sr9f is ISr9a-Ra C.I.14169 (Loegering, 1975).
Use in Agriculture
Wheat possesses many resistance genes such as Sr9f that can be detected with laboratory cultures possessing unusual genes for avirulence. Most of these genes are not catalogued and are of little agricultural importance.
Plate
None available.