, 215:107 | Cite as

QTL analysis related to the flag-leaf angle related with it gene in rice (Oryza sativa L.)

  • Jeong-Gwan Ham
  • Hak Yoon Kim
  • Kyung-Min KimEmail author


In this study, quantitative trait loci (QTLs) for flag leaf angle and other traits were identified using rice double haploid population (DH population) derived from Cheongcheong × Nagdong. A total of 9 QTLs were identified for the four traits located on three different chromosomes of rice and analysis of interaction among the QTLs revealed additive effect for the leaf angle and epistatic main effect for decreasing flag-leaf angle. When a physical map was generated based on the detected QTLs, nine genes for qFA4, two genes for qFA11, seven genes for qPE3, and six genes for qCC11 were identified. These results provide a foundation for the functional characterization of the gene underlying the pleiotropic effects of qFA4 and for genetic improvement of the plant architecture and yield potential of rice.


Flag-leaf Genotypes Phenotypes QTL Rice Yield 



This work was supported by the National Research Foundation of Korea Grant funded by the Korean Government (NRF-2017R1D1A3B04028676).

Compliance with ethical standards

Conflict of interest

The author declares no conflict of interest.

Supplementary material

10681_2019_2434_MOESM1_ESM.docx (1.4 mb)
Supplementary material 1 (DOCX 1484 kb)


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Copyright information

© Springer Nature B.V. 2019

Authors and Affiliations

  1. 1.School of Applied Biosciences, College of Agriculture and Life ScienceKyungpook National UniversityDaeguKorea
  2. 2.Department of Global EnvironmentKeimyung UniversityDaeguKorea

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