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QTL mapping for heading date and plant height using a RIL population in rice in different photoperiod environments

Author

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  • Hong-Wei Zhang

    (Rice Research Institute, Guizhou Academy of Agricultural Sciences, Guiyang, P.R. China
    Key Laboratory of Crop Gene Resources and Germplasm Innovation in Karst Mountainous Areas, Ministry of Agriculture and Rural Affairs, Guiyang, P.R.China)

  • Ling-Zhi Wang

    (Qiandongnan Miao and Dong Autonomous Prefecture Academy of Agricultural Sciences, Kaili, P.R.China)

  • Ying Xie

    (Rice Research Institute, Guizhou Academy of Agricultural Sciences, Guiyang, P.R. China
    Key Laboratory of Crop Gene Resources and Germplasm Innovation in Karst Mountainous Areas, Ministry of Agriculture and Rural Affairs, Guiyang, P.R.China)

  • Hao Liu-Gen

    (Rice Research Institute, Guizhou Academy of Agricultural Sciences, Guiyang, P.R. China
    Key Laboratory of Crop Gene Resources and Germplasm Innovation in Karst Mountainous Areas, Ministry of Agriculture and Rural Affairs, Guiyang, P.R.China)

  • Zhen-Zhen Wang

    (Rice Research Institute, Guizhou Academy of Agricultural Sciences, Guiyang, P.R. China
    Key Laboratory of Crop Gene Resources and Germplasm Innovation in Karst Mountainous Areas, Ministry of Agriculture and Rural Affairs, Guiyang, P.R.China)

  • Chong-Fen Yi

    (Rice Research Institute, Guizhou Academy of Agricultural Sciences, Guiyang, P.R. China
    Key Laboratory of Crop Gene Resources and Germplasm Innovation in Karst Mountainous Areas, Ministry of Agriculture and Rural Affairs, Guiyang, P.R.China)

  • Hui Guo

    (Rice Research Institute, Guizhou Academy of Agricultural Sciences, Guiyang, P.R. China
    Key Laboratory of Crop Gene Resources and Germplasm Innovation in Karst Mountainous Areas, Ministry of Agriculture and Rural Affairs, Guiyang, P.R.China)

  • Yu Gan

    (Rice Research Institute, Guizhou Academy of Agricultural Sciences, Guiyang, P.R. China
    Key Laboratory of Crop Gene Resources and Germplasm Innovation in Karst Mountainous Areas, Ministry of Agriculture and Rural Affairs, Guiyang, P.R.China)

  • Guan-Lun Xiang

    (Rice Research Institute, Guizhou Academy of Agricultural Sciences, Guiyang, P.R. China
    Key Laboratory of Crop Gene Resources and Germplasm Innovation in Karst Mountainous Areas, Ministry of Agriculture and Rural Affairs, Guiyang, P.R.China)

  • Yan Zhi-Qiang

    (Rice Research Institute, Guizhou Academy of Agricultural Sciences, Guiyang, P.R. China
    Key Laboratory of Crop Gene Resources and Germplasm Innovation in Karst Mountainous Areas, Ministry of Agriculture and Rural Affairs, Guiyang, P.R.China)

  • Ze Song

    (Institute of Crop Germplasm Resources, Guizhou Academy of Agricultural Sciences, Guiyang, P.R.China
    Key Laboratory of Crop Gene Resources and Germplasm Innovation in Karst Mountainous Areas, Ministry of Agriculture and Rural Affairs, Guiyang, P.R.China)

  • Zhan-Lie Yang

    (Institute of Crop Germplasm Resources, Guizhou Academy of Agricultural Sciences, Guiyang, P.R.China)

Abstract

Heading date determines rice seasonal and regional adaptation, while plant height is an important trait related to rice lodging resistance. In this study, a recombinant inbred line population was used to detect quantitative trait loci (QTLs) for both traits in long-day (LD) and short-day (SD) environments. Three and two QTLs for heading date were detected in LD and SD environments, respectively. Notably, qHD8 and qHD10 were commonly detected in both environments. Five and four QTLs for plant height were identified in LD and SD environments, respectively. Among them, qPH3, qPH5 and qPH6 showed no pleiotropic effects on heading date and were detected in both environments. These three QTLs are considered to be the primary targets for improving rice plant height. Additionally, two genomic regions exhibited pleiotropic effects on both heading date and plant height. The alleles delayed the heading date while simultaneously increasing plant height. This study indicated that most QTLs for heading date are sensitive to photoperiod and have pleiotropic effects on plant height, thereby complicating their application in breeding programs. These findings provide useful information for the breeding of rice varieties with desired heading dates and plant heights.

Suggested Citation

  • Hong-Wei Zhang & Ling-Zhi Wang & Ying Xie & Hao Liu-Gen & Zhen-Zhen Wang & Chong-Fen Yi & Hui Guo & Yu Gan & Guan-Lun Xiang & Yan Zhi-Qiang & Ze Song & Zhan-Lie Yang, 2024. "QTL mapping for heading date and plant height using a RIL population in rice in different photoperiod environments," Czech Journal of Genetics and Plant Breeding, Czech Academy of Agricultural Sciences, vol. 60(3), pages 119-125.
    • Handle: RePEc:caa:jnlcjg:v:60:y:2024:i:3:id:2-2024-cjgpb
    DOI: 10.17221/2/2024-CJGPB
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