Mapping and comparison of quantitative trait loci for soybean branching phenotype in two locations
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- Sayama Takashi
- National Institute of Agrobiological Sciences National Agricultural Research Center for Hokkaido Region
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- Hwang Tae-Young
- National Agricultural Research Center for Hokkaido Region Present address: National Institute of Crop Science
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- Yamazaki Hiroyuki
- Hokkaido Research Organization Tokachi Agricultural Experiment Station Present address: Hokkaido Research Organization Experiment Station
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- Yamaguchi Naoya
- Hokkaido Research Organization Tokachi Agricultural Experiment Station
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- Komatsu Kunihiko
- National Agricultural Research Center for Hokkaido Region National Agricultural Research Center for Kyushu Okinawa Region
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- Takahashi Masakazu
- National Agricultural Research Center for Kyushu Okinawa Region
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- Suzuki Chika
- Hokkaido Research Organization Tokachi Agricultural Experiment Station
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- Miyoshi Tomoaki
- Hokkaido Research Organization Tokachi Agricultural Experiment Station
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- Tanaka Yoshinori
- Hokkaido Research Organization Tokachi Agricultural Experiment Station
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- Xia Zhengjun
- National Institute of Agrobiological Sciences
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- Tsubokura Yasutaka
- National Institute of Agrobiological Sciences
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- Watanabe Satoshi
- National Institute of Agrobiological Sciences
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- Harada Kyuya
- National Institute of Agrobiological Sciences
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- Funatsuki Hideyuki
- National Agricultural Research Center for Hokkaido Region Present address: National Agricultural Research Center for Western Region
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- Ishimoto Masao
- National Institute of Agrobiological Sciences National Agricultural Research Center for Hokkaido Region
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The number and distribution of branches in soybean plants influence seed yield through effects on the efficiency of light utilization as well as on tolerance to lodging. We have developed recombinant inbred lines (RILs) from a cross between two experimental determinant lines, which differ in branching number. The 172 RILs were divided into four maturity groups according to their alleles for two maturity loci, E1 and E3, and were planted separately to avoid confounding effects of competition. The late-maturity RIL groups with the E1 genotype were grown in two different locations, whereas the early-maturity RIL groups with the e1 genotype were planted at one location. Analysis of all lines resulted in the identification of five quantitative trait loci (QTLs) for branching number, designated qBr1 to qBr5. Among these QTLs, qBr1 and qBr2 were mapped to the proximal regions of the E1 and E3 loci, respectively. The other three QTLs were mapped to regions distant from any known maturity loci and were detected only in the presence of the E1 genotype, indicating that they interact with qBr1. Our results suggest that branching number might be controlled genetically by the identified QTLs, even though the maturity loci substantially affect branching phenotype.<br>
収録刊行物
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- Breeding Science
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Breeding Science 60 (4), 380-389, 2010
日本育種学会
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詳細情報 詳細情報について
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- CRID
- 1390282679699542784
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- NII論文ID
- 130004146247
- 10027120269
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- NII書誌ID
- AA11317194
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- ISSN
- 13473735
- 13447610
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- NDL書誌ID
- 10925512
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可