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在试验室条件下,使用Aspergillus niger菌株ZRS14提高葡萄树的干旱应激弹性

Parisa Moslemi Nezhad Arani¹, Ali Akbar Mozafari², Morahem Ashengroph³

¹Department of Plant Production and Genetics, Faculty of Agriculture, University of Kurdistan, Sanandaj, Iran.

Plant cell reports

|October 17, 2025

概括

阿斯伯吉勒斯尼日尔ZRS14培养过物通过增强抗氧化活性和减少氧化应激来提高Rasheh葡萄树的干旱耐受性. 这一发现提供了一个有前途的策略,用于提高葡萄藤对水资源短缺的抵御力.

科学领域:

植物科学植物科学
微生物学微生物学
农业科学农业科学

背景情况:

由于气候变化和水资源短缺,干旱压力对葡萄酒种植构成重大威胁.
了解植物对干旱的反应和确定减缓策略对于粮食安全至关重要.

研究的目的:

为了研究Aspergillus niger ZRS14培养过物对Rasheh葡萄树生理和生化特征的影响,在聚乙烯糖醇 (PEG) 诱导的缺水条件下.
评估 A. niger ZRS14 的生物刺激潜力,以提高葡萄树的干旱耐受性.

主要方法:

葡萄树接受了不同度的PEG (0-6%) 来模拟干旱压力.
在不同的时间点应用了A. niger ZRS14的真菌培养过物.
测量了生理参数 (光合作用色素) 和生化标志物 (氧化应激指标,抗氧化酶,和黄含量).
使用了统计分析,包括主要组件分析 (PCA) 和分层集群分析 (HCA).

主要成果:

增加PEG度减少了光合作用色素和增加了氧化应激标志物 (H2O2,MDA).
A. niger ZRS14培养过剂的应用改善了色素水平,增强了抗氧化酶活性 (CAT,POD,SOD,APX),并增加了总含量 (TPC).
这种真菌过物减轻了氧化应激,并改善了葡萄树的整体干旱耐受性.

结论:

阿斯伯吉卢斯尼格尔ZRS14培养过剂显著提高了拉谢葡萄树的干旱耐受性.
生物刺激效应归因于改善的抗氧化活性和减少的氧化应激.
这项研究提出了一种新的方法,用于提高葡萄藤在水有限的环境中的弹性.

关键词:

黑色阿斯珀吉勒斯 (Aspergillus niger) 是一种葡萄酒 (Vitis vinifera) 是一种葡萄酒.层次集群分析 (HCA) 是一种层次集群分析.主要组成部分分析 (PCA)缺水压力是由于缺水造成的.

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