| Gene Symbold |
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Class
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Level 1
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Reaction to Puccinia graminis Pers.
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Level 2
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Level 3
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Level 4
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Symbol
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Wild Type
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Sr25
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Allele
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Symbol comment
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Derived from Thin. elongatum.
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Chromosomes
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7DL = T7DS.7DL-7Ae#1L{291,956,388,657}
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Germplasms
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i:Sears' CS 7D/7Ag translocations{956,1300}, i:Sr25/9*LMPG{685}, v:Agatha Sr5 Sr9g Sr12 Sr16 {956} = T4{1323}, v:Mutant 28{388}, v:Sears' 7A/7Ae#1L No. 12{330,1304}, v:Sears' 7D/7Ag#11 carries neither Sr25 nor Lr19{939}, su:Chinese Spring + 7Ae#1L(7D){1304}
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Comment
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See Lr19, reaction to Puccinia triticina.
Sr25/Lr19 often show complete linkage in wheat {956}.
Knott {681} obtained two mutants (28 and 235) of Agatha with reduced levels of yellow pigment in the flour. One of these mutants lacked Sr25. Marais {890} reported that a gene very similar to Sr25 was present in the putative Inia 66 x Thin. distichum derivative, Indis. Marais {890,892} also obtained mutants with reduced yellow pigment in Indis derivatives and some of these lacked Sr25.
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