在土壤中的草甘和酸盐处理对作物微生物有不同的影响,具体取决于物种,组织和生长阶段
Niina Smolander1, Benjamin Fuchs2,3, Marjo Helander1
1Department of Biology, University of Turku, 20014, Turku, Finland.
Scientific reports
|July 15, 2025
概括
基于甘酸盐的除草剂和酸盐肥料改变了与植物相关的微生物,减少了多样性,但增加了作物生物质. 这些农业化学品在植物类型,组织和生长阶段中表现出多种多样的效应,影响有益细菌.
科学领域:
- 农业科学 农业科学
- 微生物学 微生物学
- 环境科学 环境科学
背景情况:
- 基于草甘的除草剂 (GBHs) 对于除草控制至关重要,其向的是shikimate通路.
- GBHs对非目标微生物的影响,特别是那些具有shikimate通路的微生物,仍未得到充分研究.
- 预测GBH和肥料对土壤和植物微生物组的联合影响是具有挑战性的.
研究的目的:
- 研究GBH和酸盐肥料对土豆,法巴豆和麦中的内菌群体的影响.
- 评估这些农业化学品对植物生长和生物质的影响.
- 了解农业化学处理如何影响细菌多样性以及不同植物组织和生长阶段的有益微生物的丰富性.
主要方法:
- 对GBH和酸盐肥料对土豆,法巴豆和麦的影响的实验调查.
- 使用16S rRNA基因测序来分析内生细菌社区组成.
- 植物生长和地面生物质的测量是在夏末进行的.
主要成果:
- GBH治疗显著改变了土豆根 (夏季早期和夏季末期) 和豆豆根 (夏季末期) 的细菌群落.
- 酸盐治疗影响了土豆叶和茎 (夏末) 和豆豆叶 (夏初) 中的细菌群体.
- 这两种治疗方法都减少了土豆和麦中的细菌多样性,减少了土豆和豆豆中的有益细菌,但在所有作物中增加了地面生物质.
结论:
- 农业化学品,如GBH和化肥,对植物相关的细菌群体产生不同的影响,这取决于作物类型,组织和生长阶段.
- 虽然农用化学品可以提高作物产量,但它们也会导致微生物多样性和有益细菌的减少.
- 需要进一步的研究,以了解这些微生物组转变对整体作物健康和生态系统功能的长期影响.
关键词:
农业处理 农业处理农业化学品 农业化学品 农业化学品细菌群落是细菌群落的组成部分.内部植物 (Endophytes) 是一种内生植物.肥料 肥料 肥料 肥料非目标生物 非目标生物杀虫剂是一种杀虫剂.石基马特通道的路径更多相关视频
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