在Gloriosa superba中的土壤传播病原体的表征和致病性:单个和多个病原体共感染对疾病反应的影响
Shanmuga Priya Dhanabalan1, Iruthayasamy Johnson1, Parthiban V Kumaresan1
1Department of Plant Pathology, Tamil Nadu Agricultural University, Coimbatore 641003, India.
Plant disease
|June 27, 2024
概括
在土壤中传播的病原体,如Macrophomina phaseolina威胁到荣耀百合 (Gloriosa superba) 的种植. 马克罗福米纳 (Macrophomina phaseolina) 造成了相当大的损害,相当于联合感染,突出了它对这种药用植物的影响.
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.
- 医学植物学 医学植物学
背景情况:
- (Gloriosa superba) 是一种含有素的有价值的药用植物.
- 土壤传播的真菌病原体对荣耀百合种植构成重大威胁,造成印度的经济损失.
- 发现的关键病原体包括Macrophomina phaseolina (干根腐烂),Fusarium oxysporum (腐烂),以及Agroathelia rolfsii (茎腐烂).
研究的目的:
- 描述影响Gloriosa superba的主要土壤传播病原体.
- 调查单个和联合真菌感染的致病性和影响.
- 了解这种重要的药用植物中真菌病的复杂性.
主要方法:
- 菌病原体的形态特征.
- 用核糖体DNA内部转录的间隔器,calmodulin (CAL) 和翻译延长因子1-alpha (TEF-1α) 基因序列进行了家族遗传学分析.
- 涉及Gloriosa superba的人工注射的致病性测试.
主要成果:
- 马克罗福米纳 (macrophomina phaseolina) 导致了显著的结核病变 (7.54±0.01毫米) 和90%的苗木死亡率.
- 单单M. phaseolina感染的严重程度与与三种病原体同时接种疫苗相比较.
- 由M. phaseolina引起的干根腐烂成为Glory lily的主要土壤传播疾病.
结论:
- 马克罗福米纳 (Macrophomina phaseolina) 是一种高毒性病原体,是Gloriosa superba.的一种高毒性病原体.
- 这项研究提供了首次对Glory lily.中的土壤传播病原体感染组合的详细分析.
- 了解这些真菌病对于可持续种植药用植物至关重要.
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