Unveiling Drought-Resilient Pathways: Integrating High Throughput Phenotyping and Multivariate Modeling to Enhance Barley Adaptation Climate Change
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Safae Ouahid, Anna Elisabeth Backhaus, José-Antonio Jimenez, Andrea Visioni, Miguel Sanchez-Garcia. (23/10/2023). Unveiling Drought-Resilient Pathways: Integrating High Throughput Phenotyping and Multivariate Modeling to Enhance Barley Adaptation Climate Change.
The increasing threat of climate change makes developing drought-resilient crops ever more important. Barley (Hordeum vulgare), is a highly drought-tolerant cereal and a key player in the future of farming. Moreover, the pivotal role of plant architecture, development patterns and roots in conferring drought tolerance to plants has been understudied, despite their potential importance for drought tolerance. In this context, we delve into the intricate interplay between barley plants and the environment - especially drought - with a distinct focus on leveraging multi-data integration and machine learning techniques to analyse high-throughput phenotyping data f rom the f ield. By employing automated ground-based platforms, such as the Phenomobile equipped with multi-spectral, RGB cameras, LiDAR and the Physiotron - a lysimeter with a multi-sensor bridge - that provides controlled environmental conditions for indepth study of roots, for monitoring responses to stress with unmatched precision, we can capture large data encompassing many critical phenotypic indicators at plot and f ield level. This large dataset is subjected to multivariate modeling to discover complex relationships between multiple traits and environmental factors. We concentrate on predicting complex traits such as root traits, biomass accumulation, yield, stress responses that are fundamental to barley's resilience under stress. Leveraging the power of machine learning with phenomics and genotypic data holds the promise of unraveling the complex relationships between genetic makeup and observable traits enabling us to understand the fundamental genetic drivers of various phenotypic characteristics. By identifying hidden correlations and interdependencies, our models will enable the prediction of phenotypic traits of interest under different stress conditions, offering invaluable insights into barley's drought resistance potential and performance. Our work will highlight the importance of data integration and machine learning to unlock the potential of agricultural research.
- Agricultural Research Knowledge 
Backhaus, Anna Elisabethhttps://orcid.org/0000-0001-5202-9372