生物化剂诱导的植物耐药性是通过与土壤微生物的相互作用来调节的
Shumaila Rasool1, Manon Groos2, S Emilia Hannula2,3
1Department of Terrestrial Ecology, Netherlands Institute of Ecology (NIOO-KNAW), Wageningen, The Netherlands. S.Rasool@nioo.knaw.nl.
居住在土壤中的微生物阻碍了昆虫病原菌在保护作物免受害虫的有效性. 这些直接或植物间接的相互作用影响害虫耐药性和土壤微生物群落,需要仔细评估生物注射剂.
科学领域:
- 农业科学 农业科学
- 微生物学 微生物学
- 生态生态学 生态生态学
背景情况:
- 昆虫病原菌是提高作物的重要生物注射剂.
- 与土壤微生物的相互作用会影响真菌的有效性和植物的耐药性.
- 了解直接与间接的微生物相互作用对于作物保护至关重要.
研究的目的:
- 研究土壤微生物对虫病原菌的直接和植物间接影响.
- 评估对植物对蜘蛛的耐药性的影响.
- 分析土壤微生物群落的变化.
主要方法:
- 在番茄植物中利用了分裂根系.
- 引入的虫病原性真菌 Metarhizium brunneum.um. 已经被引入.
- 对双斑蜘蛛的监控诱导耐药性.
- 分析了土壤真菌和细菌社区的组成.
主要成果:
- 居住在土壤中的微生物降低了M. brunneum诱导害虫耐药性的能力.
- 植物间接相互作用显著影响了耐药效率.
- 菌注射改变了土壤微生物的组成,而不是多样性.
- 即使没有直接的微生物接触,社区的组成也发生了变化.
结论:
- 直接和植物间接的微生物相互作用都会影响生物注射剂的疗效.
- 评估真菌生物注射剂对原生土壤社区的不良影响至关重要.
- 这项研究为可持续的农业实践提供了信息.
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