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外源性黑激素调节干旱压力下的葡萄子薄荷中的生理反应,植物化学概况和精油生产
Sara Rezaei1, Abdollah Javanmard2, Naser Sabaghnia1
1Department of Plant Production and Genetics, Faculty of Agriculture, University of Maragheh, P.O. Box 55187-79842, Maragheh, Iran.
Scientific reports
|April 26, 2025
概括
在干旱压力下,黑素的应用显著提高了葡萄子薄荷的生长和精油生产. 这项研究优化了灌和黑激素水平,以获得最大的产量和质量.
科学领域:
- 农业科学 农业科学
- 植物生理学 植物生理学
- 植物化学 植物化学
背景情况:
- 干旱压力会对作物产量和质量产生负面影响.
- 黑色素 (N-乙-5-甲西胺) 是植物有效的抗压剂.
- 葡萄薄荷 (Mentha suaveolens × Mentha piperita) 是一种有价值的芳香草.
研究的目的:
- 在不同的灌水平和黑激素处理下,优化葡萄薄荷的干产量和精油含量.
- 模拟干旱压力和黑激素对葡萄子薄荷生理性质的影响.
主要方法:
- 中央复合设计被用来评估两个因素:灌水平 (25-75%的田间容量) 和黑激素度 (0-300 mM).
- 测量的主要参数包括生物质产量,精油的数量和质量,总,黄和叶绿素含量以及生理性质.
- 进行统计分析以确定最佳条件.
主要成果:
- 严重的干旱压力 (25%FC) 将葡萄薄荷生物质减少了73%.
- 使用155毫米拉托尼,生物质产量增加了92.2%,增加了33.4%,黄增加了55.1%,精油含量增加了45.3%,精油产量增加了143%.
- 预测最大的叶绿素,,黄和精油产量的最佳条件是65%的FC和240毫米的氨酸. 林纳醇和林纳醇酸盐的最大含量发生在50%的FC和155毫米的氨酸.
结论:
- 黑素的应用,特别是155mM,在干旱压力下显著增强葡萄薄荷的生长,生物质,以及精油的数量和质量.
- 优化灌和黑激素治疗可以减轻干旱压力影响,提高作物生产率.
- 黑色素是一种有前途的生物刺激剂,可提高芳香植物在水有限的环境中的弹性和产量.
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