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使用微生物组分析开发用于棉花白菌的生物控制剂
Wanyi Zhang1,2,3, Jingjing Wang4,5, Peng Wu1,2,6
1Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin, 300308, China.
通过比较健康和患病的棉花植物的微生物组,确定了有效的生物控制菌株. 细菌菌株在子和实地试验中显著降低了垂菌的发病率,为疾病管理提供了有前途的战略.
科学领域:
- 植物病理学 植物病理学
- 微生物学 微生物学
- 农业科学 农业科学
背景情况:
- Verticillium枯对棉花生产构成重大威胁.
- 对Verticillium枯的有效生物控制剂有限.
- 了解植物微生物组可以帮助发现生物控制菌株.
研究的目的:
- 为了确定棉花的有效生物控制菌株Verticillium wilt. wilt.
- 为了比较健康和患病的棉花植物的微生物组.
- 评估选择的生物控制菌株的疗效.
主要方法:
- 对棉花根,根球和土壤进行比较微生物组分析.
- 对微生物菌株进行查,以检测它们是否对Verticillium dahliae V991.1.e具有抗性.
- 盆栽和田间实验,以评估生物控制剂减少疾病.
主要成果:
- Verticillium dahliae改变了根,树根圈和土壤的细菌和真菌社区.
- 细菌菌株,特别是Bacillus amyloliquefaciens M9和Bacillus cereus R19,表现出强烈的对抗性.
- 在实地试验中,生物控制应用减少了高达88.46%的垂虫发病率.
结论:
- 对比微生物组分析对于选择生物控制菌株是有效的.
- 精选的Bacillus菌株显示出对控制棉花Verticillium wilt.的巨大潜力.
- 微生物组引导的选择为生物控制发现提供了一种新的方法.
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