Molecular Breeding for Rainfed Lowland Rice in the Mekong Region(Improving the Quality of Food in Asia, <Special Issue>Proceedings of The Fifth Asian Crop Science Conference)

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概要

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• In the past 20 years, the rice-breeding program in Thailand had little success in developing new cultivars to replace Kao Dawk Mali 105 (KDML105) and Kao Khor 6 (RD6) for the rainfed lowland rice environments. The main reason for the poor adoption of new cultivars by farmers is the susceptibility to diseases and unacceptable grain qualities. The conventional breeding program also takes at least 15 years from initial crossing to the release of new cultivars. A new breeding strategy can be established to shorten the period for cultivar improvement by using marker-assisted selection (MAS), rapid generations advance (RGA), and early generation testing in multi-locations for grain yield and qualities. Four generation of MAS backcross breeding were conducted to transfer genes and QTL for bacterial blight resistance (BLB), submergence tolerance (SUB), brown plant hopper resistance (BPH) and blast resistance (BL) into KDML105. Selected backcross lines, introgressed with target gene/QTL, were tolerant to SUB and resistant to BLB, BPH and BL. The agronomic performance and grain quality of these lines were as good as or better than KDML105.

• 日本作物学会の論文

著者

• Fukai Shu

  School of Land and Food Sciences,The University of Queensland

• Fukai Shu

  School Of Land Crop And Food Sciences The University Of Queensland

• Fukai Shu

  School Of Land And Food Sciences The University Of Queensland

• Toojinda Theerayut

  Rice Gene Discovery, National Center for Genetic Engineering and Biotechnology, Kasetsart University

• Tragoonrung Somvong

  DNA Technology Laboratory, National Center for Genetic Engineering and Biotechnology, Kasetsart Univ

• Vanavichit Apichart

  Agronomy Department, Kasetsart University, Kampangsaen Campus

• Siangliw Jonaliza

  Rice Gene Discovery, National Center for Genetic Engineering and Biotechnology, Kasetsart University

• Pa In

  Rice Gene Discovery, National Center for Genetic Engineering and Biotechnology, Kasetsart University

• Jantaboon Jutarat

  Rice Gene Discovery, National Center for Genetic Engineering and Biotechnology, Kasetsart University

• Siangliw Meechai

  Rice Gene Discovery, National Center for Genetic Engineering and Biotechnology, Kasetsart University

• Pa In

  Rice Gene Discovery National Center For Genetic Engineering And Biotechnology Kasetsart University K

• Siangliw Meechai

  Rice Gene Discovery National Center For Genetic Engineering And Biotechnology Kasetsart University K

• Jantaboon Jutarat

  Rice Gene Discovery National Center For Genetic Engineering And Biotechnology Kasetsart University K

• Siangliw Jonaliza

  Rice Gene Discovery National Center For Genetic Engineering And Biotechnology Kasetsart University K

• Toojinda Theerayut

  Rice Gene Discovery National Center For Genetic Engineering And Biotechnology Kasetsart University K

• Vanavichit Apichart

  Agronomy Department Kasetsart University Kampangsaen Campus

• Tragoonrung Somvong

  Dna Technology Laboratory National Center For Genetic Engineering And Biotechnology Kasetsart Univer

関連論文

• Effect of Plot Size on Accuracy of Yield Estimation of Rainfed Lowland Rice Genotypes with Different Plant Heights and Grown under Different Soil Fertility Conditions
• Molecular Breeding for Rainfed Lowland Rice in the Mekong Region(Improving the Quality of Food in Asia, Proceedings of The Fifth Asian Crop Science Conference)
• Identification of Nutrients Limiting Rice Growth in Soils of Northeast Thailand under Water-Limiting and Non-Limiting Conditions
• Effects of Soil Clay Content on Water Balance and Productivity in Rainfed Lowland Rice Ecosystem in Northeast Thailand(Agronomy)
• Estimating Percolation and Lateral Water Flow on Sloping Land in Rainfed Lowland Rice Ecosystem(Diversified Cropping Systems for Asia, Proceedings of The Fifth Asian Crop Science Conference)
• Hybridization Technique for Bambara Groundnut
• Plant Breeding Strategies for Rainfed Lowland Rice in Northeast Thailand

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