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通过PEG6000种子原始化提高番茄植物的盐耐受性:诱导抗氧化活性和减轻氧化应激

Nasratullah Habibi^1,2, Shafiqullah Aryan³, Naveedullah Sediqui¹

¹Graduate School of Agriculture, Tokyo University of Agriculture, 1-1-1 Sakuragaoka, Setagaya-ku, Tokyo 156-8502, Japan.

Plants (Basel, Switzerland)

|May 14, 2025

概括

聚乙烯甘醇 (PEG6000) 种子原料增强番茄盐耐受性,通过增强抗氧化防御和改善离子平衡. 这种方法为在盐水条件下提高作物生产率提供了一个有希望的策略.

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:

盐应激严重限制了作物生产率,并对植物生理学和水果质量产生负面影响.
制定减轻盐分压力的战略对于可持续农业至关重要.

研究的目的:

调查聚乙烯糖醇 (PEG6000) 种子原料的有效性,以提高*Solanum lycopersicum*"Micro-Tom"中的盐耐受性.
评估PEG6000原始化对抗氧化活性,离子稳态,透平衡和盐应激下水果质量的影响.

主要方法:

*Solanum lycopersicum*"Micro-Tom"的种子用1.2 MPa的PEG6000进行了开.
植物受到了不同度的NaCl (0, 50, 100, 150, 200毫米).
测量包括离子含量,糖和有机酸水平,氧化应激标志物,抗氧化酶活性,酸 (ABA),聚胺相关酶,蛋白质含量和相对水含量.

主要成果:

在150毫米的NaCl下,PEG6000原始化增加了32%的叶子 (K+),并减少了28%的 (Na+) 积累.
果显示葡萄糖,果糖和糖糖的增加,酸的减少.
在中等盐度下,减少了35%和29%的甲酸 (MDA) 和电解质泄漏.
在100和150毫米NaCl下,增强了30-45%的抗氧化酶活性 (SOD,POD,CAT,APX).
酸 (ABA) 含量增加和与聚胺相关的酶活动.
提高了20%的蛋白质含量和18%的相对水含量.

结论:

PEG6000种子原始化显著提高番茄的盐耐受性.
化改善了植物的防御机制,透调整和盐应激下的离子平衡.
用PEG6000进行种子化是一种可行的策略,可以在盐水环境中提高番茄的产量和质量.

关键词:

抗氧化剂活性抗氧化剂活性水果质量水果的质量.盐的压力是盐的压力.种子初始化种子初始化在这里,我们可以看到子的子.

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