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Mapping Quantitative Trait Loci Controlling Cool-temperature Tolerance at Booting Stage in Temperate Japonica Rice.
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- Takeuchi Yoshinobu
- Institute of the Society for Techno-innovation of Agriculture, Forestry and Fisheries
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- Hayasaka Hiroshi
- Miyagi Prefecture Furukawa Agricultural Experiment Station
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- Chiba Bunya
- Miyagi Prefecture Furukawa Agricultural Experiment Station
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- Tanaka Isao
- Fukui Prefecture Agricultural Experiment Station
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- Shimano Tomotoshi
- Institute of the Society for Techno-innovation of Agriculture, Forestry and Fisheries
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- Yamagishi Masumi
- Research Institute of Agricultural Resources, Ishikawa Agricultural College Present address: Faculty of Life and Environmental Science, Shimane University
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- Nagano Kuniaki
- Miyagi Prefecture Furukawa Agricultural Experiment Station
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- Sasaki Takuji
- National Institute of Agrobiological Sciences
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- Yano Masahiro
- National Institute of Agrobiological Sciences
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Description
To identify the chromosomal regions controlling cool-temperature tolerance (CT) at booting stage of rice (Oryza sativa L.), we performed quantitative trait locus (QTL) analysis with doubled-haploid lines (DHLs). We constructed a linkage map with 135 restriction fragment length polymorphism (RFLP) markers and 34 random amplified polymorphic DNA (RAPD) markers using 212 DHLs derived from crosses between two cultivars, Akihikari (moderately cool-temperature susceptible) and Koshihikari (cool-temperature tolerant). Both parental cultivars belong to the temperate japonica group. The degree of tolerance of each DHL was measured as the degree of sterility in the field with a running cold-water system. Three QTLs were mapped one each to chromosomes 1, 7, and 11. The QTL with the largest effect, qCT-7, was mapped to chromosome 7 and explained 22.1% of the total phenotypic variation. The other two QTLs, qCT-1 and qCT-11, explained approximately 5% each. For all of the QTLs, alleles from Koshihikari increased the degree of CT. We also mapped QTLs for heading date and culm length, which are thought to affect CT.
Journal
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- Breeding Science
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Breeding Science 51 (3), 191-197, 2001
Japanese Society of Breeding
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Keywords
Details 詳細情報について
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- CRID
- 1390001204724062464
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- NII Article ID
- 130004145854
- 110001808099
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- NII Book ID
- AA11353132
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- ISSN
- 13473735
- 13447610
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- NDL BIB ID
- 5894999
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- Text Lang
- en
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- Data Source
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- JaLC
- NDL Search
- Crossref
- CiNii Articles
- OpenAIRE
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- Abstract License Flag
- Disallowed