Gene Symbold |
Class
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Level 1
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Reaction to Puccinia striiformis Westend.
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Level 2
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Designated genes for resistance to stripe rust
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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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Yr2
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Allele
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Synonyms
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U{1622}
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Symbol comment
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Recessive {1351}.
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Chromosomes
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7B{746,186,184}
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Germplasms
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v:Derius{230}, v:Flevina{1431}, v:Hana, v:HD2329{1352}, v:Kalyansona{1351,1352}, v:Laketch{050}, v:Leda{1430}, v:Manella{1431}, v:Merlin{1622}, v:Odra{071}, v:PBW54{1352}, v:PBW120{1352}, v:Slavia{073,071}, v:Soissonais Desprez{851}, v:WG377{1352}, v:WH147{1352}, v:WL711{1352}, v:WL1562{1352}, v2:Avocet (U.K.) Yr1 Yr6{1459}, v2:Brigand Yr14{083}, v2:Cleo Yr3c{1457}, v2:Cleo Yr3c Yr14{1431}, v2:Fenman Yr1{1459}, v2:Flamingo Yr6{1430}, v2:Flevina Yr7{1430}, v2:Galahad (heterogeneous) Yr1 Yr14{1459}, v2:Garant Yr7{230}, v2:Hardi Yr7{230}, v2:Heines Kolben Yr6{611}, v2:Heines Peko Yr6Yr25{746}, v2:Heines VII Yr25{851}, v2:Ibis Yr1{604}, v2:Lely Yr7{1430}, v2:Liberator Yr3c{1431}, v2:Longbow Yr1 Yr6{083}, v2:Mardler Yr1 Yr3a Yr4a Yr13{1459}, v2:Maris Beacon Yr3b Yr4b{1459}, v2:Maris Huntsman Yr3a Yr4a Yr13{604}, v2:Maris Nimrod Yr13{1459}, v2:Marksman Yr1 (heterogeneous) Yr13{1459}, v2:Mithras Yr1 Yr6{1459}, v2:Nautica Yr9{1430}, v2:Norman Yr6{083}, v2:Rapier Yr4{083}, v2:Rothwell Perdix Yr1{604}, v2:Sonalika YrA{1352}, v2:Stella Yr3{1430}, v2:Sylvia Yr1{1430}, v2:Tadorna Yr1{1431}, v2:Viginta Yr3a Yr4a{073,071}, v2:Wizard (heterogeneous) Yr14{1459}, v2:Yamhill Yr3a Yr4a, v2:Zdar Yr4a{073}
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Comment
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Yr2 originally referred to a gene in Heines VII conferring resistance to European pathotypes. However, Heines VII possesses an additional resistance gene Yr25 {1351} which can be detected with a geographically wider range of pathogen isolates. Yr2 is present in Kalyansona {1351} and a range of spring wheats distributed by CIMMYT.
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