在各种灌方案下,探索奇托桑对抗氧化系统和Hypericum perforatum L.中高素含量的作用
Rayhaneh Amooaghaie1,2, Nafiseh Rajaie3
1Plant Science Department, Faculty of Science, Shahrekord University, Shahrekord, Iran. rayhanehamooaghaie@yahoo.com.
BMC plant biology
|July 3, 2025
概括
叶片酸盐的应用增强了圣约翰草对缺水的抵御力,增强了生物质和药用化合物. 在轻度压力下使用200毫克L-1基托观察到最佳结果,改善了植物健康和制药价值.
科学领域:
- 农业科学 农业科学
- 植物生理学 植物生理学
- 生物化学 生物化学
背景情况:
- 在一些药用植物中,已知基托桑对应激耐受性和二次新陈代谢的益处.
- 奇托桑对圣约翰草 (Hypericum perforatum L) 缺乏水分的耐受性的影响基本上尚未被探索.
研究的目的:
- 为了评估不同度的奇托桑在不同缺水条件下对圣约翰草的影响.
- 为了确定改善植物生物质,药用化合物含量和应力耐受性的最佳酸盐度.
主要方法:
- 实地实验评估了在不同灌间隔 (7,10,13天) 下的叶子奇托应用 (0,100,200,400毫克L-1).
- 测量包括生物质,高素,总含量 (TPC),DPPH清除活性,相对水含量,叶绿素,H,O,马隆迪甲基,,催化酶和过氧化酶活性.
主要成果:
- 生物质随着灌间隔的增加而减少,但桑的应用增加了生物质,TPC和高素含量.
- 在温和的水应激下,200 mg L-1 基托桑产生了最高的超素和 TPC,与最大的 DPPH 活性相关.
- 素改善了水含量,叶绿素和抗氧化酶活动,同时降低了缺水情况下的氧化应激标志物 (H2O2,MDA).
结论:
- 叶片素的应用,特别是200毫克L-1的应用,可以显著提高圣约翰草的生产力和在缺水的情况下的药品质量.
- 奇托桑通过增强生理和生化防御机制来减轻水应激.
- 高度的奇托桑 (400毫克L-1) 可能会产生有害影响,强调最佳应用的重要性.
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