Variable level of genetic dominance controls important agronomic traits in rice populations under water deficit condition

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Plant Biology

Main article text

 

Introduction

Materials and Methods

Crossing and development of F1 and F2 populations

Measurement of traits

Estimation of heterosis

Determination gene actions

Scaling test for the model adequacy

Gene effects and allelic interactions

Estimation of heritability and calculation of genetic advance upon selection (GS)

Statistical analysis

Results

Variations of traits in populations under normal and water deficit conditions

Heterosis and degree of dominance

Gene actions of generation means

Genetic variance, genetic variability, heritability and genetic advance

Discussion

Mean performance and heterosis

Degree of dominance and genetic components of generation mean

Degree of dominance, additive and dominance gene action

Non-allelic interaction

Genetic variance, genetic variability, heritability and genetic advance

Conclusion

Supplemental Information

Supplementary Tables.

DOI: 10.7717/peerj.14833/supp-1

Additional Information and Declarations

Competing Interests

The authors have no conflict of interest to disclose.

Author Contributions

Hamada M. Hassan conceived and designed the experiments, performed the experiments, analyzed the data, prepared figures and/or tables, authored or reviewed drafts of the article, and approved the final draft.

Adel A. Hadifa conceived and designed the experiments, performed the experiments, analyzed the data, prepared figures and/or tables, authored or reviewed drafts of the article, and approved the final draft.

Sara A. El-leithy conceived and designed the experiments, analyzed the data, prepared figures and/or tables, authored or reviewed drafts of the article, and approved the final draft.

Maria Batool conceived and designed the experiments, analyzed the data, prepared figures and/or tables, authored or reviewed drafts of the article, and approved the final draft.

Ahmed Sherif conceived and designed the experiments, analyzed the data, prepared figures and/or tables, authored or reviewed drafts of the article, and approved the final draft.

Ibrahim Al-Ashkar conceived and designed the experiments, prepared figures and/or tables, authored or reviewed drafts of the article, and approved the final draft.

Akihiro Ueda conceived and designed the experiments, authored or reviewed drafts of the article, and approved the final draft.

Md Atikur Rahman performed the experiments, authored or reviewed drafts of the article, and approved the final draft.

Mohammad Anwar Hossain conceived and designed the experiments, authored or reviewed drafts of the article, and approved the final draft.

Ayman Elsabagh conceived and designed the experiments, authored or reviewed drafts of the article, and approved the final draft.

Data Availability

The following information was supplied regarding data availability:

The raw data is available in the Supplemental File.

Funding

This work was funded by the Researchers Supporting Project number (RSP2023R298), King Saud University, Riyadh, Saudi Arabia. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.

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