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在盐水条件下,原料调解了的生长和的产量改善

Saber Hussain¹, Shakil Ahmed¹, Waheed Akram²

¹Institute of Botany, University of the Punjab, Lahore, Pakistan.

International journal of phytoremediation

|September 27, 2023

概括

用 (Se) 培育 (Brassica rapa) 的种子显著改善了盐分耐受性. 在盐的压力下,Se-primed种子表现出增强的发芽,生长和产量,通过提高抗氧化活性和营养吸收来提高产量.

科学领域:

植物科学植物科学
农业科学农业科学
生物化学生物化学

背景情况:

盐的毒性严重影响作物产量和质量,阻碍营养吸收,光合作用和植物生长.
种子初始化是一种有效的策略,可以提高植物对非生物应激的耐受性,例如盐度.
(Se) 已因其在减轻植物应激反应方面的潜在作用而得到认可.

研究的目的:

为了研究化 (Na2SeO3) 种子原料的有效性,以减轻卜 (Brassica rapa L.) 的盐应激.
评估Se化对在盐度下的生理,生化和分子反应的影响.
评估Se priming对卜产量和营养含量的影响.

主要方法:

在田间条件下,用不同度的化 (Se) 进行了化,并在田间条件下进行了200mM盐应激.
分析了生理参数 (发芽,叶绿素含量,气体交换) 和生物化学标记 (H2O2,MDA,).
进行了抗氧化酶 (CAT,POD,SOD,APX) 的基因表达分析和in-silico分子对接研究.

主要成果:

盐应激减少了发芽,叶绿素和气体交换,但Se初始化显著改善了这些参数.
开降低了氧化应激标志物 (H2O2,MDA,) 和增加了总含量.
治疗提高了K+/Na+比率,提高了抗氧化基因表达的调节,改善了营养素的吸收 (Ca,P,Mg,Zn),从而提高了产量属性.

结论:

化种子原料化是一种有前途的方法,可以减轻卜 (Brassica rapa) 的盐应激.
化增强了植物的防御机制,改善了生理功能,并在盐水条件下提高了作物产量.
这些发现支持使用Se种子化作为一种可持续的策略,以改善盐受影响环境中的作物弹性.

关键词:

抗氧化剂 B. 拉帕.基因表达基因表达基因表达它们是ROS受体.一个个个个个个的.盐的压力是盐的压力.

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