由不同菌株和病毒株在具有不同宿主抗性的甘作物中共同感染而产生的相互和内致病原相互作用
Nuraizat Abidin1, Ming P You1,2, Martin J Barbetti1,2
1School of Agriculture and Environment, University of Western Australia, Crawley, WA 6009, Australia.
Plant disease
|September 10, 2024
概括
研究了中的真菌 (Leptosphaeria maculans) 和病毒 (卜马赛克病毒) 病原体之间的共感染相互作用. 病原体相互作用因宿主耐药性,隔离物,接种方法和时间而异,影响疾病严重程度和病毒水平.
科学领域:
- 植物病理学 植物病理学
- 菌类学 菌类学是指菌类学.
- 病毒学 病毒学
背景情况:
- 菌和病毒植物病原体之间的共感染相互作用尚未得到充分研究.
- 了解这些相互作用对于管理兰花 (Brassica napus) 的作物疾病至关重要.
研究的目的:
- 为了研究中的Leptosphaeria maculans (真菌) 和花马赛克病毒 (TuMV,病毒) 之间的共感染相互作用.
- 确定宿主耐药性,病原体隔离,注射方法和时间如何影响这些相互作用.
主要方法:
- 对L. maculans分离物 (P11,UWA192) 和TuMV (12.1) 有不同的抗性.
- 在同一天或3-7天的时间间隔内,顺序地对花进行注射.
- 测量了L. maculans带状腺疾病指数 (%CDI),TuMV系统性感染症状强度 (SI) 和病毒度 (VC).
主要成果:
- L. maculans感染通过宿主耐药性和在一定程度上通过TuMV共感染被抑制.
- 通过L. maculans的共感染,TuMV感染 (SI和VC) 减少,特别是当宿主耐药性存在时.
- 相互作用的结果高度依赖于特定的病原体分离物,宿主耐药性水平,接种时间和方法 (整体与半).
结论:
- 在甘油共感染中,病原体内部和病原体间的相互作用是复杂的和高度可变的.
- 宿主耐药性在调节疾病发展和病原体传播方面发挥着重要作用.
- 接种策略 (时间,方法和病原体组合) 极大地影响了真菌-病毒共感染的结果.
关键词:
布拉斯卡纳普斯 (Brassica napus) 是一种植物.莱普托斯法利亚黄斑菌 (Leptosphaeria maculans) 是一种共同感染是一种共感染.带状腺体疾病的严重程度主体的抵抗力 宿主的抵抗力病原体间和病原体内相互作用.抗击突破性菌株的阻力系统性获得阻力系统感染的叶子症状强度和病毒度.轮马赛克病毒 轮马赛克病毒更多相关视频
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