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Genotype by environment interaction for grain yield in foxtail millet (Setarai italica) using AMMI model and GGE Biplot

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Abstract

Genotype by environment interaction (GEI) is a major limiting factor in the regional planting and breeding of cultivars. The objective of this study was to assess GEI for grain yield in foxtail millet cultivars grown in northwest China and identify promising genotypes and representative seed production environments. The study used 12 genotypes in eight environments, representative of early-maturing growing areas. Additive main effects and multiplicative interaction (AMMI) and genotype and genotype by environment (GGE) biplot analysis were used to analyze the data. AMMI analysis of variance (ANOVA) indicated that genotype (G), environment (E), and GEI effects were highly significant (p < 0.01), with contributions to total observed variation of 19.5%, 43.4%, and 28.6%. Six stability parameters based on AMMI were used to analyze yielding stability. YG35, FH9, DT29, and ZZG21 were more stable. The correlation coefficients between the six parameters were > 0.8. Subsequently, genotypes YG35, ZZG21, and DT29 were identified as stable and high yield potential based on genomic selection index (GSI). GGE biplot analysis revealed the same cultivars (YG35, ZZG21, and DT29) as the best performers for being closest to the ideal cultivar. The test sites were classified into two mega-environments using GGE biplot analysis for genotype assessment and seed production. Chifeng (CF) and Wulumuqi (XJ) were identified as the closest to the ideal test site, with relatively strong discriminatory ability and representativeness. Therefore, the findings of this study provide insights for the regional planting and breeding of foxtail millet in the future.

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Abbreviations

AMMI:

Additive main effects and multiplicative interaction

ASI:

AMMI Stability Index

ASV:

AMMI stability value

AVAMGE:

Sum across environments of absolute value of genotype-environment interaction modelled

GEI:

Genotype by environment interaction

GGE:

Genotype and genotype by environment

IPCA:

Interaction principal component axis

MASI:

Modified AMMI Stability Index

MASV:

Modified AMMI stability value

MET:

Multi-environment trial

WAAS:

The weighted average of the absolute scores

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Acknowledgements

The authors thank Qingtai Zhang for the assistant of the data analysis. This work was supported by the Basic Research program of Shanxi Province (No. 202103021223136), Doctoral Research project of Shanxi Agricultural University (No. 2021BQ40) and (No. 2021BQ60), the Doctor Foundation of Crop Science Institute of Shanxi Academy of Agricultural Sciences (No. ZB2002).

Funding

The Basic Research program of Shanxi Province, No. 202103021223136, Haiying Zhang, Doctoral Research project of Shanxi Agricultural University, No. 2021BQ40, Haiying Zhang, No. 2021BQ60, Zhiwei Feng, the Doctor Foundation of Crop Science Institute of Shanxi Academy of Agricultural Sciences, No. ZB2002, Haiying Zhang

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Authors

Contributions

HZ contributed statistical analysis and drafted the manuscript; QW, JW, XY, and FQ performed the experiments and collected the data; HZ and XY prepared figures and tables; QW and XY revised the language of this manuscript; HZ, CS, and ZF conceived and designed the research.

Corresponding authors

Correspondence to Changqing Sun or Qian Wang.

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The authors declare that the research was conducted in the absence of any commercial or financial relationships.

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Communicated by Zhong-Hua Chen.

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Zhang, H., Feng, Z., Wang, J. et al. Genotype by environment interaction for grain yield in foxtail millet (Setarai italica) using AMMI model and GGE Biplot. Plant Growth Regul 99, 101–112 (2023). https://doi.org/10.1007/s10725-022-00885-y

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  • DOI: https://doi.org/10.1007/s10725-022-00885-y

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