除草剂对棕油种植园土壤细菌多样性,功能和共发生网络的影响
Nur Hailini Zainol Hilmi1,2, Nurul Shamsinah Mohd Suhaimi3,4, Nur Ardiyana Rejab5,6
1Institute of Biological Sciences, Faculty of Science,, Universiti Malaya, Kuala Lumpur, 50603, Malaysia. hailini@mpob.gov.my.
World journal of microbiology & biotechnology
|January 22, 2026
概括
在油棕种植园中以推剂量使用的酸和硫甲基除草剂对土壤细菌群落和功能的影响最小. 一些多样性变化是暂时的,有生物修复的潜力.
科学领域:
- 农业科学 农业科学
- 环境微生物学 环境微生物学
- 土壤科学 土壤科学
背景情况:
- 除草剂在农业中广泛使用,但它们对土壤微生物群落的影响尚不清楚.
- 了解这些影响对于油棕种植园中可持续的杂草管理至关重要.
研究的目的:
- 研究酸-和甲硫-甲基对油棕种植地的土壤细菌群落的影响.
- 评估9个月内对细菌多样性,丰度和功能概况的影响.
主要方法:
- 使用16S rRNA基因高通量测序来分析土壤细菌群落.
- 在树根球中应用了除草剂,采样时间长达9个月.
- FAPROTAX用于功能性概况预测.
主要成果:
- 除草剂并没有大大改变总体细菌的α或β多样性.
- 六个月后,Metsulfuron-methyl导致了香农和逆辛普森指数的暂时下降,后者在九个月后恢复.
- 拉塞斯细菌的数量增加了,这表明生物修复的潜力.
结论:
- 在推剂量下,酸和甲硫似乎对土壤细菌群落和油棕种植园中的功能产生了有限的不良影响.
- 土壤细菌网络的复杂性增加了酸-,但减少了硫-甲基.
- 对于Latescibacterota代谢化学化合物的潜力,需要进一步研究生物修复应用.
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