文献类型： 外文期刊
作者： Feng, Di 1 ; Zhang, Wenjing 1 ; Zheng, Chunlian 4 ; Tang, Guangmu 1 ; Adili, Yilinuer 1 ; Ge, Chunhui 1 ; Xu, Wanli 1 ;
作者机构： 1.Xinjiang Acad Agr Sci, Inst Agr Resource & Environm, Urumqi 830091, Peoples R China
2.Minist Agr & Rural Affairs, Key Lab Saline Alkali Soil Improvement & Utilizat, Urumqi, Peoples R China
3.Weifang Univ Sci & Technol, Weifang 262700, Shandong, Peoples R China
4.Hebei Acad Agr & Forestry Sci, Inst Dryland Farming, Hengshui 053000, Peoples R China
关键词： Plant extracts; Drought stress; Saline-alkali stress; Stress resistance; Regulatory mechanisms
期刊名称：INDUSTRIAL CROPS AND PRODUCTS （ 影响因子：6.2； 五年影响因子：6.2 ）
ISSN： 0926-6690
年卷期： 2025 年 233 卷
页码：
收录情况： SCI
摘要： Drought and saline-alkali stress significantly inhibit plant growth. Exogenous plant extracts, an effective approach to mitigate abiotic stresses, have drawn extensive attention. However, a systematic summary of their mechanisms remains incomplete. This review summarizes recent advances in the role of plant extracts in enhancing drought and salt tolerance, including extraction methods such as solvent extraction, ultrasoundassisted extraction, and microwave-assisted extraction, as well as application methods like foliar spraying, seed treatment, and soil application. Researches indicate that plant extracts improve stress resistance through synergistic mechanisms: 1) accumulation of osmotic adjustment substances to maintain cellular osmotic balance; 2) enhancement of antioxidant enzyme activity to reduce reactive oxygen species accumulation and membrane lipid peroxidation; 3) regulation of selective ion uptake to maintain Na+/K+ homeostasis; 4) modulation of hormone signaling pathways to optimize stomatal behavior and root development; 5) protection of photosynthetic systems to stabilize chlorophyll content and photochemical efficiency; and 6) improvement of nutrient absorption and metabolic allocation. Despite these benefits, challenges such as unstable active components and high costs persist. Future research should integrate multi-omics technologies to elucidate molecular mechanisms, optimize extraction processes, and explore synergistic effects with exogenous substances like calcium signaling to promote large-scale applications in sustainable agriculture.
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