AUTHOR=Weng Shizhuang TITLE=Editorial: Spectroscopy, imaging and machine learning for crop stress JOURNAL=Frontiers in Plant Science VOLUME=14 YEAR=2023 URL=https://www.frontiersin.org/journals/plant-science/articles/10.3389/fpls.2023.1240738 DOI=10.3389/fpls.2023.1240738 ISSN=1664-462X