Noninvasive Abiotic Stress Phenotyping of Vascular Plant in Each Vegetative Organ View

Abstract

The last decades have witnessed a rapid development of noninvasive plant phenotyping, capable of detecting plant stress scale levels from the subcellular to the whole population scale. However, even with such a broad range, most phenotyping objects are often just concerned with leaves. This review offers a unique perspective of noninvasive plant stress phenotyping from a multi-organ view. First, plant sensing and responding to abiotic stress from the diverse vegetative organs (leaves, stems, and roots) and the interplays between these vital components are analyzed. Then, the corresponding noninvasive optical phenotyping techniques are also provided, which can prompt the practical implementation of appropriate noninvasive phenotyping techniques for each organ. Furthermore, we explore methods for analyzing compound stress situations, as field conditions frequently encompass multiple abiotic stressors. Thus, our work goes beyond the conventional approach of focusing solely on individual plant organs. The novel insights of the multi-organ, noninvasive phenotyping study provide a reference for testing hypotheses concerning the intricate dynamics of plant stress responses, as well as the potential interactive effects among various stressors.

Plant phenotyping relevance

非侵襲的な植物ストレス表現型計測、とくに多器官の光学フェノタイピング技術を中心に扱うレビューであり、方法論が主題である。

Code and data availability

This is a review article on noninvasive abiotic stress phenotyping. The supplied blocks contain no authors' phenotype datasets, plant images, sensor data, analysis code, trained models, or supplements with such assets; all cited works are prior publications, and no data or code availability statements with public URLs.

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