臭氧压力对作物生产率的影响:对粮食安全的威胁
Ambikapathi Ramya1, Periyasamy Dhevagi1, Ramesh Poornima1
1Department of Environmental Sciences, Tamil Nadu Agricultural University, Tamil Nadu, 641003, India.
Environmental research
|August 5, 2023
概括
热层臭氧 (O3) 严重损害作物质量和产量,威胁全球粮食安全. 这篇评论详细介绍了臭氧层.
科学领域:
- 环境科学 环境科学
- 植物科学 植物科学
- 农业科学 农业科学
背景情况:
- 热带层臭氧 (O3) 是一种主要的植物毒性空气污染物.
- 暴露于O3会对作物质量和生产率产生负面影响,对粮食安全构成风险.
- 多模型模拟表明当前和未来的O3水平威胁着全球粮食供应.
研究的目的:
- 审查O3污染的植物毒性及其对粮食安全的威胁.
- 编制区域O3度并分析作物反应.
- 评估O3保护剂对减轻植物毒性的作用.
主要方法:
- 全球历史和当前O3度的汇编.
- 对作物生理,生化和产量反应的审查.
- 对O3效应的经验数据的定量分析.
- 评估O3保护剂的有效性.
主要成果:
- 臭氧暴露对作物的生理特征,光合作用色素,生长和产量属性产生不利影响.
- 数据分析证实O3对作物表现的负面影响.
- 在农业地区普遍存在的O3度是有害的.
结论:
- 臭氧污染对作物生产和粮食安全构成重大威胁.
- 了解O3的影响对于制定缓解策略至关重要.
- 需要政策干预和科学对策来解决O3植物毒性问题.
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