有益微生物联盟通过调节树根圈中的细菌群体和增强植物营养物质获取来改善冬季麦的表现
Jan Helge Behr1, Ioannis D Kampouris2, Doreen Babin2
1Leibniz Institute of Vegetable and Ornamental Crops (IGZ), Plant-Microbe Systems, Großbeeren, Germany.
Frontiers in plant science
|September 15, 2023
概括
一个微生物联盟有效地殖民了冬季的麦根,改善了植物的表现,特别是在有机农业系统中. 这表明微生物接种剂在可持续农业中的潜力.
科学领域:
- 农业微生物学 农业微生物学
- 植物与土壤的相互作用
- 可持续农业 可持续农业
背景情况:
- 土壤条件和农业实践显著影响微生物联盟对植物的有效性.
- 成功的植物微生物相互作用取决于微生物免疫剂在树根圈中的建立.
- 了解不同种植系统下的微生物注射剂的建立和植物反应至关重要.
研究的目的:
- 调查整个生长季节在冬季的麦芽根层中建立微生物联盟的情况.
- 评估微生物联盟对传统和有机农业下的植物表现的影响.
- 分析联盟对树枝球细菌社区组装的影响.
主要方法:
- 在长期实地试验中,用微生物联盟 (Pseudomonas sp.,Bacillus atrophaeus,Trichoderma harzianum) 接种冬季麦.
- 在根球和根相关土壤 (秋季和春季) 中使用选择性涂层量化微生物注射剂密度.
- 分析植物性能,营养状况和树枝球细菌群体组成 (16S rRNA基因测序).
主要成果:
- 在整个早期生长周期中,观察到微生物联盟在冬季的麦芽球和根相关土壤中的高殖民密度.
- 农业实践主要影响了树枝球细菌群落,但微生物联盟也改变了社区的组成.
- 微生物联盟的注射显著改善了冬季麦的营养状况和性能,特别是在有机农业条件下.
结论:
- 应用微生物联盟在秋季接种时,在整个冬季休眠期间证明了有效性.
- 该联盟为提高植物性能做出了贡献,突出了其对有机农业系统的潜力,其营养供应有限.
- 基于微生物的解决方案为提高农作物生产率和农业可持续性提供了一个有希望的途径.
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