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Hybrid Deep Learning Approaches for Improved Genomic Prediction in Crop Breeding

Author

Listed:
  • Ran Li

    (Information Technology Research Center, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China
    College of Modern Agriculture and Ecological Environment, Heilongjiang University, Harbin 150080, China
    These authors contributed equally to this work.)

  • Dongfeng Zhang

    (Information Technology Research Center, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China
    These authors contributed equally to this work.)

  • Yanyun Han

    (Information Technology Research Center, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China)

  • Zhongqiang Liu

    (Information Technology Research Center, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China)

  • Qiusi Zhang

    (Information Technology Research Center, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China)

  • Qi Zhang

    (Information Technology Research Center, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China)

  • Xiaofeng Wang

    (Information Technology Research Center, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China)

  • Shouhui Pan

    (Information Technology Research Center, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China
    Beijing PAIDE Science and Technology Development Co., Ltd., Beijing 100097, China)

  • Jiahao Sun

    (Information Technology Research Center, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China
    College of Agronomy, Northwest A&F University, Yangling 712100, China)

  • Kaiyi Wang

    (Information Technology Research Center, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China
    National Innovation Center for Digital Seed Industry, Beijing 100097, China)

Abstract

Genomic selection plays a crucial role in breeding programs designed to improve quantitative traits, particularly considering the limitations of traditional methods in terms of accuracy and efficiency. Through the integration of genomic data, breeders are able to obtain more accurate predictions of breeding values. In this study, we proposed and evaluated four deep learning architectures—CNN-LSTM, CNN-ResNet, LSTM-ResNet, and CNN-ResNet-LSTM—that are specifically designed for genomic prediction in crops. After conducting a comprehensive evaluation across multiple datasets, including those for wheat, corn, and rice, the LSTM-ResNet model exhibited superior performance by achieving the highest prediction accuracy in 10 out of 18 traits across four datasets. Additionally, the CNN-ResNet-LSTM model demonstrated notable results, showcasing the best predictive performance for four traits. These findings underscore the efficacy of hybrid models in identifying complex patterns, as they integrate skip connections to mitigate the vanishing gradient problem and enable the extraction of hierarchical features while elucidating intricate relationships among genetic markers. Our analysis of SNP sampling indicated that maintaining SNP counts within the range of 1000 to the full set significantly influences prediction efficiency. Furthermore, we conducted a comprehensive comparative analysis of predictive performance among random selection, marker-assisted selection, and genomic selection utilizing wheat datasets. Collectively, these results provide significant insights into crop genetics, enhancing breeding predictions and advancing global food security and sustainability.

Suggested Citation

  • Ran Li & Dongfeng Zhang & Yanyun Han & Zhongqiang Liu & Qiusi Zhang & Qi Zhang & Xiaofeng Wang & Shouhui Pan & Jiahao Sun & Kaiyi Wang, 2025. "Hybrid Deep Learning Approaches for Improved Genomic Prediction in Crop Breeding," Agriculture, MDPI, vol. 15(11), pages 1-25, May.
  • Handle: RePEc:gam:jagris:v:15:y:2025:i:11:p:1171-:d:1667636
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