使用Trichoderma harzianum可以通过增加抗氧化酶活性来提高印度末的盐耐受性和产量
Kartik Chandra Saha1, Md Kafil Uddin1, Pallab Kumer Shaha2
1Department of Agricultural Chemistry, Bangladesh Agricultural University, Mymensingh, 2202, Bangladesh.
Heliyon
|January 6, 2025
概括
Trichoderma harzianum通过改善营养吸收和抗氧化活性来增强印度子的生长和盐应激下的产量. 这种有益的真菌增强了作物弹性和营养质量,为盐水农业条件提供了可持续的解决方案.
科学领域:
- 农业科学 农业科学
- 植物病理学 植物病理学
- 土壤微生物学 土壤微生物学
背景情况:
- 盐度压力显著降低了全球的作物生长和产量.
- 三体物种以其促进植物生长的能力而闻名,特别是在非生物压力下.
- 印度子 (Brassica juncea) 是一种重要的油作物,容易受到盐的压力.
研究的目的:
- 为了评估Trichoderma harzianum对印度末基因型在盐水条件下的生长,产量,营养吸收和抗氧化能力的影响.
- 为了比较不同Trichoderma应用方法 (堆肥和悬浮) 的疗效.
- 为了识别优越的印度子基因型,以在度下种植,使用Trichoderma增强.
主要方法:
- 一个双因子实验,使用一个完全随机的设计与四个复制品.
- 通过堆肥和悬浮物将Trichoderma harzianum应用到土壤中.
- 评估植物生长参数,产量,营养含量 (N,P,S,Ca,Mg,K,Na),叶绿素,素,油含量以及抗氧化酶活性 (SOD,CAT,APX,POD).
主要成果:
- 在盐水条件下,Trichoderma harzianum的应用显著改善了印度子基因型的生长,产量,叶绿素,林和油含量 (EC 9.28 dS m-1).
- T. harzianum增强营养吸收 (N,P,S,Ca,Mg,K) 和减少 (Na) 积累,导致较低的Na/K比率.
- 与对照组相比,T. harzianum的堆肥应用平均增加了23%的种子产量.
- 与Tori-7相比,BD-7104基因型在用Trichoderma治疗时在盐水压力下表现优越.
结论:
- 特里科德尔玛harzianum通过增强植物耐受性,营养同化和抗氧化剂防御机制,有效地减轻印度末中的盐应激.
- 应用T. harzianum,特别是作为堆肥,为改善印度末在盐土中的产量和营养质量提供了一个有希望的策略.
- 建议将BD-7104基因型与T. harzianum堆肥 (TdC12.5) 结合起来,在盐度压力下种植,以获得最佳结果.
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