高光谱成像技术在小麦生物和非生物胁迫分析中的应用

摘要：小麦作为世界三大粮食作物之一，主要生长在干旱半干旱地区，特别易受各种逆境因素的影响。准确地识别和评 估小麦的胁迫水平对于在其栽培中实施有效的植物保护策略至关重要。近年来，高光谱成像（（ HSI）已成为一种重要的非 破坏性技术，提供了空间和光谱的见解下检查的主题。这项技术在诊断小麦作物的胁迫方面具有相当大的潜力。本文主 要探讨了HSI在分析小麦生物和非生物胁迫中的应用，展示了其在识别各种条件，如温度胁迫，营养失衡，干旱，盐碱， 真菌感染和其他害虫相关问题方面的有效性。 简要介绍了HSI技术的基本原理和高光谱传感器系统平台的基本组成。研 究表明，高光谱传感器可以安装在不同的设备平台上，可以有效地应用于实验室，温室和野外环境。此外，HSI还可以在 不同尺度上监测生物或非生物胁迫对小麦生理状态的影响。最后，总结了高光谱技术在小麦逆境监测中的局限性，并提 出了未来的研究方向。

关键词：高光谱成像；小麦；生物胁迫；非生物胁迫。

期刊：Computers and Electronics in Agriculture

DOI：https://doi.org/10.1016/j.compag.2024.109008

设备：GaiaSky

The application of hyperspectral imaging for wheat biotic and abiotic stress analysis: A review

Abstract：Wheat (Triticum aestivum L.), as one of the three major food crops, predominantly thrives in arid and semi-arid regions of the world, and it is particularly vulnerable to various stress factors. Promptly identifying and assessing the levels of stress in wheat is crucial for implementing effective plant protection strategies in its cultivation. In recent years, hyperspectral imaging (HSI) has emerged as a significant non-destructive technology, offering both spatial and spectral insights into the subject under examination. This technology holds considerable potential in diagnosing stress in wheat crops. This review primarily explores the utilization of HSI in analyzing both biotic and abiotic stress in wheat, showcasing its effectiveness in identifying various conditions such as temperature stress, nutritional imbalances, drought, salinity-alkalinity, fungal infections, and other pest-related issues. The basic principle of HSI technology and the basic components of the hyperspectral sensor system platform are briefly introduced. Research shows that hyperspectral sensors can be mounted on different equipment platforms and can be effectively applied in laboratory, greenhouse, and field environment. In addition, HSI can also monitor the effects of biotic or abiotic stress on the physiological state of wheat at different scales. Finally, the limitations of hyperspectral technology in monitoring wheat stress are summarized and future research needs are proposed.

Keywords：Hyperspectral imaging, Wheat, Biotic stress, Abiotic stress.