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Zhen Wang¹, Manoj Kumar Solanki², Ajay Kumar³

¹Guangxi Key Laboratory of Agricultural Resources Chemistry and Biotechnology, Agricultural College, Yulin Normal University, Yulin 537000, China.

Microbiological research

|October 3, 2023

概括

像Streptomyces菌株这样的促进植物生长的草原细菌 (PGPR) 修改了甘根的微环境. 这些微生物通过改变土壤和根特征来增强代谢,抗干旱和抗病能力.

科学领域:

植物科学植物科学
微生物学微生物学
土壤科学土壤科学

背景情况:

环境变化引入了影响植物生长的生物和非生物压力.
促进植物生长的草原细菌 (PGPR) 正在研究减轻这些压力.
了解PGPR对根微环境的影响至关重要.

研究的目的:

为了研究两种PGPR菌株Streptomyces griseorubiginosus BTU6和S. chartreusis WZS021对甘的影响.
为了比较根球土壤物理化学特征和根结构的修改.
为了阐明植物应激弹性中PGPR介导的变化.

主要方法:

用S. griseorubiginosus BTU6和S. chartreusis WZS021.021对甘进行注射.
在甘根中分析代谢指标.
评估树根和根的微生物群落组成 (细菌和真菌).
评估土壤的化学特性和酶活性.

主要成果:

S. chartreusis WZS021增加了代谢活动,并丰富了循环的微生物 (Pseudomonas,Gemmatimona).
治疗S. chartreusis导致了阿斯伯吉路斯的主导地位,从而赋予了抗干旱能力.
S. griseorubiginosus BTU6减少了Xanthomonas的丰富性,并增加了Gemmatimona,从而增强了对疾病的抵抗力.
这两种菌株都显著改变了土壤化学,酶活性和微生物群落,具有菌株特异性的影响.

结论:

在甘根微环境中,PGPR菌株会引起明显的修饰.
这些修改增强了植物的利用,干旱和疾病抵抗力.
研究结果强调了PGPR在提高植物对环境压力的弹性方面的潜力.

关键词:

抗旱能力抗旱能力这是PGPR的PGPR.球环境球环境这种病名为Streptomyces.

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