同注射时间影响了菌干癌病原体Leptosphaeria maculans和Leptosphaeria biglobosa之间的物种间相互作用
Evren Bingol1, Aiming Qi1, Chinthani Karandeni-Dewage1
1Centre for Agriculture, Food and Environmental Management Research, School of Life and Medical Sciences, University of Hertfordshire, Hatfield, UK.
Pest management science
|September 28, 2023
概括
莱普托斯法利亚黄斑菌和莱普托斯法利亚大球菌之间的联合注射时间显著影响了它们的相互作用. 早期引入时,Leptosphaeria biglobosa会抑制L. maculans的生长和毒素的产生,但如果晚些时候引入,这种效果就会消失.
科学领域:
- 植物病理学 植物病理学
- 菌类相互作用 菌类相互作用
- 农业科学 农业科学
背景情况:
- 福马茎癌是由Leptosphaeria maculans (Plenodomus lingam) 和Leptosphaeria biglobosa (Plenodomus biglobosus) 引起的,是油菜的一种重要强奸病.
- 莱普托斯菲利亚黄斑菌产生植物毒素西罗德斯PL.
- 之前的研究表明,L. biglobosa在同时接种疫苗时会对抗西罗德斯PL的产生.
研究的目的:
- 调查顺序注射时间对L. maculans和L. biglobosa之间的跨物种相互作用的影响.
- 了解病原体引入的顺序和时间间隔如何影响它们的竞争.
- 阐明体外对抗性相互作用背后的机制.
主要方法:
- 实验是在液体培养中进行的.
- 连续接种L. maculans,然后在1,3,5或7天的间隔内接种L. biglobosa,反之亦然.
- 对照组包括单个病原体注射和同时联合注射.
主要成果:
- 在与L. maculans注射之前或同时注射时,Leptosphaeria biglobosa抑制了L. maculans的生长和Sirodesmin PL的产生.
- 当L. biglobosa在L. maculans.接种5天或7天后接种时,对手性的效应会减弱.
- 病原体接触的时间极大地影响了物种间竞争的结果.
结论:
- 病原体相互作用的时间方面在很大程度上决定了L. maculans和L. biglobosa之间的竞争结果.
- 早期引入L. biglobosa (在L. maculans之前或在3天内) 抑制了L. maculans及其毒素的产生.
- 对宿主植物进行进一步的研究至关重要,以了解这些相互作用,以便有效地管理phoma干癌.
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