2011 Fiscal Year Final Research Report
The mapping of useful traits related to fruit quality using F2 self population and breeding of high quality cultivars in Pyrus
| Project/Area Number |
20380021
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| Research Category |
Grant-in-Aid for Scientific Research (B)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Horticulture/Landscape architecture
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| Research Institution | Tottori University |
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Principal Investigator |
ITAI Akihiro 鳥取大学, 農学部, 准教授 (10252876)
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| Co-Investigator(Kenkyū-buntansha) |
KODAMA Motoichiro 鳥取大学, 農学部, 教授 (00183343)
YAMAMOTO Toshiya (独)農業・食品産業技術総合研究機構, 果樹研究所, 上席研究員 (60355360)
MURAYAMA Hideki 山形大学, 農学部, 教授 (40230015)
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| Project Period (FY) |
2008 – 2011
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| Keywords | ナシ / 自殖F2集団 / 糖組成 / インベルターゼ / SSR / Marker Assisted selection(MAS) |
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| Research Abstract |
A long juvenile phase and high level of heterozygosity due to a strict gametophytic incompatibility have limited the parental combinations in pear breeding programs. Marker-assisted selection(MAS) is considered to be a powerful tool for increasing selection efficiency by identifying favorable genetic combinations. In this research, we have developed DNA markers for sucrose content responsible for taste improvement. Moreover, DNA markers linked to black spot and scab resistance were developed. These markers should be useful for the selection of seedlings with good taste and disease resistance.
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[Journal Article] Oligoarray analysis of gene expression in ripening Japanese pear fruit2010
Author(s)
Nishitani, C., Shimizu, T., Fujii, H., Hosaka, F., Terakami, S., Nakamura, Y., Itai, A., Yamaguchi-Nakamura, A. and Yamamoto, T.
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Journal Title
Scientia Horticulturae
Volume: 124
Pages: 195-203
Peer Reviewed
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