Guo Jianrong, Shan Changdan, Zhang Yifan, Wang Xinlei, Tian Huaying, Han Guoliang, Zhang Yi, Wang Baoshan
Shandong Provincial Key Laboratory of Plant Stress, College of Life Science, Shandong Normal University, Ji'nan, China.
College of Forestry Engineering, Shandong Agriculture and Engineering University, Ji'nan, China.
Front Plant Sci. 2022 Apr 27;13:854116. doi: 10.3389/fpls.2022.854116. eCollection 2022.
As the area of salinized soils increases, and freshwater becomes more scarcer worldwide, an urgent measure for agricultural production is to use salinized land and conserve freshwater resources. Ornamental flowering plants, such as carnations, roses, chrysanthemums, and gerberas, are found around the world and have high economic, ornamental, ecological, and edible value. It is therefore prudent to improve the salt tolerance of these important horticultural crops. Here, we summarize the salt-adaptive mechanisms, genes, and molecular breeding of ornamental flowering crops. We also review the genome editing technologies that provide us with the means to obtain novel varieties with high salinity tolerance and improved utility value, and discuss future directions of research into ornamental plants like salt exclusion mechanism. We considered that the salt exclusion mechanism in ornamental flowering plants, the acquisition of flowers with high quality and novel color under salinity condition through gene editing techniques should be focused on for the future research.
随着全球盐碱化土壤面积增加，淡水资源日益稀缺，农业生产的一项紧迫措施是利用盐碱地并保护淡水资源。康乃馨、玫瑰、菊花和非洲菊等观赏花卉植物遍布全球，具有很高的经济、观赏、生态和食用价值。因此，提高这些重要园艺作物的耐盐性是明智之举。在此，我们总结了观赏花卉作物的盐适应机制、基因和分子育种。我们还综述了基因组编辑技术，这些技术为我们提供了获得高耐盐性和更高实用价值新变种的手段，并讨论了观赏植物如排盐机制等未来的研究方向。我们认为，观赏花卉植物的排盐机制，以及通过基因编辑技术在盐胁迫条件下获得高品质和新颜色花朵应是未来研究的重点。
