Genetic relationships of soybean cyst nematode resistance originated in Gedenshirazu and PI84751 on Rhg1 and Rhg4 loci

Soybean cyst nematode (SCN) (Heterodera glycines Ichinohe) is one of the most damaging pests of soybean (Glycine max (L.) Merr.). Host plant resistance has been the most effective control method. Because of the spread of multiple SCN races in Hokkaido, the Tokachi Agricultural Experiment Station has...

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Veröffentlicht in:Breeding science. - 1998. - 61(2012), 5 vom: 01. Jan., Seite 602-7
1. Verfasser: Suzuki, Chika (VerfasserIn)
Weitere Verfasser: Tanaka, Yoshinori, Takeuchi, Toru, Yumoto, Setsuzo, Shirai, Shigehisa
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2012
Zugriff auf das übergeordnete Werk:Breeding science
Schlagworte:Journal Article Rhg1-g Rhg1-s Rhg4 race resistance genes soybean cyst nematode
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520 |a Soybean cyst nematode (SCN) (Heterodera glycines Ichinohe) is one of the most damaging pests of soybean (Glycine max (L.) Merr.). Host plant resistance has been the most effective control method. Because of the spread of multiple SCN races in Hokkaido, the Tokachi Agricultural Experiment Station has bred soybeans for SCN resistance since 1953 by using 2 main resistance resources PI84751 (resistant to races 1 and 3) and Gedenshirazu (resistant to race 3). In this study, we investigated the genetic relationships of SCN resistance originating from major SCN resistance genes in Gedenshirazu and PI84751 by using SSR markers. We confirmed that race 1 resistance in PI84751 was independently controlled by 4 genes, 2 of which were rhg1 and Rhg4. We classified the PI84751- type allele of Rhg1 as rhg1-s and the Gedenshirazu-type allele of Rhg1 as rhg1-g. In the cross of the Gedenshirazu-derived race 3-resistant lines and the PI84751-derived races 1- and 3-resistant lines, the presence of rhg1-s and Rhg4 was responsible for race 1-resistance. These results indicated that it was possible to select race 1 resistant plants by using marker-assisted selection for the rhg1-s and Rhg4 alleles through a PI84751 origin × Gedenshirazu origin cross 
650 4 |a Journal Article 
650 4 |a Rhg1-g 
650 4 |a Rhg1-s 
650 4 |a Rhg4 
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650 4 |a resistance genes 
650 4 |a soybean cyst nematode 
700 1 |a Tanaka, Yoshinori  |e verfasserin  |4 aut 
700 1 |a Takeuchi, Toru  |e verfasserin  |4 aut 
700 1 |a Yumoto, Setsuzo  |e verfasserin  |4 aut 
700 1 |a Shirai, Shigehisa  |e verfasserin  |4 aut 
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773 1 8 |g volume:61  |g year:2012  |g number:5  |g day:01  |g month:01  |g pages:602-7 
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