Detection of QTLs for panicle-related traits using an indica × japonica recombinant inbred line population in rice

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Detection of QTLs for panicle-related traits using an indica × japonica recombinant inbred line population in rice https://t.co/AvaREVmHdV @thePeerJ https://t.co/5ZXiB7XoZa
Plant Biology

Main article text

 

Introduction

Materials & methods

Plant materials and field trials

Phenotypic evaluation

DNA marker analysis and genetic map

QTL mapping

Data analysis

Results

Phenotypic variance

Correlation analysis of the nine panicle-related traits

QTLs detected by PCR-based low-density genetic map

QTLs detected by high-density SLAF linkage map

Stable QTLs detected by the two maps across the two years

Discussion

Conclusions

Supplemental Information

QTLs detected by high-density mapping in 2015.

HD, Heading date; PL, Panicle length; NPB, Number of primary branches; NSB, Number of secondary branches; NGPP, Number of grains per panicle; NPPP, Number of panicles per plant; NFGPP, Number of filled grains per panicle; SSR, Seed-setting rate; GYPP, Grain yield per plant; A, Additive effect of replacing a Huannghuazhan allele with a JZ1560 allele; R2, Proportion of the phenotypic variation explained by the QTL.

DOI: 10.7717/peerj.12504/supp-1

QTLs detected by high-density mapping in 2016.

HD, Heading date; PL, Panicle length; NPB, Number of primary branches; NSB, Number of secondary branches; NGPP, Number of grains per panicle; NPPP, Number of panicles per plant; NFGPP, Number of filled grains per panicle; SSR, Seed-setting rate; GYPP, Grain yield per plant; A, Additive effect of replacing a Huannghuazhan allele with a JZ1560 allele; R2, Proportion of the phenotypic variation explained by the QTL.

DOI: 10.7717/peerj.12504/supp-2

Genotype and phenotype raw data in 2015.

DOI: 10.7717/peerj.12504/supp-3

Genotype and phenotype raw data in 2016.

DOI: 10.7717/peerj.12504/supp-4

Additional Information and Declarations

Competing Interests

The authors declare that they have no competing interests.

Author Contributions

Guan Li performed the experiments, prepared figures and/or tables, authored or reviewed drafts of the paper, and approved the final draft.

Yichen Cheng performed the experiments, authored or reviewed drafts of the paper, and approved the final draft.

Man Yin analyzed the data, prepared figures and/or tables, and approved the final draft.

Jinyu Yang analyzed the data, prepared figures and/or tables, and approved the final draft.

Jiezheng Ying conceived and designed the experiments, prepared figures and/or tables, authored or reviewed drafts of the paper, and approved the final draft.

Changlan Zhu conceived and designed the experiments, authored or reviewed drafts of the paper, and approved the final draft.

Data Availability

The following information was supplied regarding data availability:

The raw data is available as a Supplemental File.

Funding

This work was supported by grants from the National Natural Science Foundation of China (Grant Nos. 31860373 and 32072050), the Key R&D Projects in Jiangxi Province of China (Grant No. 20192ACB60009), the Chinese High-yielding Transgenic Program (Grant No. 2016ZX08001-004) and the Zhejiang Provincial Natural Science Foundation of China (Grant No. LQ21C130003). The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.

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