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  1. JIRCAS International Symposium Proceedings
  1. JIRCAS International Symposium Proceedings
  2. 2016: Legumes Improve Our Livelihood!

Toward the development of soybean varieties resistant to rust disease

https://doi.org/10.34556/0002000763
https://doi.org/10.34556/0002000763
98d31948-2812-4e7e-a438-50139612395b
名前 / ファイル ライセンス アクション
International_symp2016_-105-114.pdf International_symp2016_-105-114 (759.0 KB)
Item type 国際農研デフォルトアイテムタイプ(フル)(1)
公開日 2025-03-19
タイトル
タイトル Toward the development of soybean varieties resistant to rust disease
言語 en
その他のタイトル
その他のタイトル ダイズさび病抵抗性品種の開発を目指して
言語 ja
作成者 Yamanaka, Naoki

× Yamanaka, Naoki

en Yamanaka, Naoki
Japan International Research Center for Agricultural Sciences

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アクセス権
アクセス権 open access
アクセス権URI http://purl.org/coar/access_right/c_abf2
主題
主題 Asian soybean rust, Breeding, Gene pyramiding, Marker-assisted selection (MAS), Resistant variety
内容記述
内容記述タイプ Abstract
内容記述 Soybean is highly imporatnt for Japan as it is widely used in producing traditional soy foods as well as soybean oil. However, the domestic soybean demand in Japan is mostly meet by imports from other countries. Therefore, it is important for us to ensure stable soybean production in the coutries which supply large amount of soybean to the world market. South American coutries such as Brazil, Argentina, and Paraguay produce more than half of soybean in the world market. But in the tropical and subtropical regions of these countries, a soybean disease, Asian soybean rust (ASR) caused by Phakopsora pachyrhizi is one of the most serious threats to soybean growers together with drought. Thus, JIRCAS has been carrying out collaborative researches on the development of ASR-resistant cultivars with our pertner institutions in South America for more than 10 years.
Firstly, we have developed a reliable method of evaluating ASR resistance in soybean and surveyed geographical and annual variations of ASR pathogen in South America (Yamanaka et al. 2010). Our results reveal that virulence of South American ASR pathogen is highly variable and strong (Akamatsu et al. 2013). Therefore, a resistant cultivar carrying sutable ASR resistance cannot be expected by simply introducing single known major ASR resistance gene. Secondly, we have developed soybean breeding materials and tools which are useful in South America. Specifically, we have 1) identified resistance genes/alleles in the ASR-resistant soybean genotypes whose resistance genes/alleles were unknown (Hossain et al. 2015; Yamanaka et al. 2015a; Yamanaka et al. 2016); 2) explored DNA markers for newly and previously identified resistance loci, and 3) developed and evaluated soybean breeding materials carrying multiple ASR resistance genes (Lemos et al. 2011).
Through these works, it appears that introducing multiple resistance genes into single soybean genotype brings high ASR resistance. This high resistance also acts synergistically in gene pyramided soybean lines, when they are inoculated with the P. pachyrhizi races which are virulent to each of the pyramided genes (Yamanaka et al. 2015b). JIRCAS and our partner institutions in South America have carried out some marker-assisted breeding programs to introduce this high ASR resistance in South American soybean cultivars by utilizing the gene pyramided lines.
言語 en
内容記述
内容記述タイプ Other
内容記述 JIRCAS International Symposium 2016, Session 2: Legumes all over the world : Use of the diversity for improvement
Chair: Kazuo Nakashima
言語 en
出版者
出版者 Japan International Research Center for Agricultural Sciences (JIRCAS)
言語
言語 eng
資源タイプ
資源タイプ識別子 http://purl.org/coar/resource_type/c_c94f
資源タイプ conference presentation
出版タイプ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
ID登録
ID登録 10.34556/0002000763
ID登録タイプ JaLC
関連情報
関連タイプ isPartOf
識別子タイプ DOI
関連識別子 https://doi.org/10.34556/0002000749
関連名称 Legumes Improve Our Livelihood!
書誌情報 en : JIRCAS International Symposium Proceedings : Legumes Improve Our Livelihood!

巻 2016, p. 105-114, 発行日 2017-02
会議記述
会議名 JIRCAS International Symposium 2016 : Legumes Improve Our Livelihood!
主催機関 Japan International Research Center for Agricultural Sciences (JIRCAS)
開催期間 2016-12-02
開催会場 U Thant International Conference Hall, United Nations University
開催国 JPN
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