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致病性特征的Berkeleyomyces basicola引起胡卜的黑色根腐烂的病原性特征
Miljan Grkinić1, Mira Vojvodić2, Dušan Nikolić3
1University of Belgrade - Faculty of Agriculture, Department of Phytopathology, Belgrade, Serbia; beomiljan@gmail.com.
Plant disease
|September 10, 2025
概括
伯克利菌 (Berkeleyomyces basicola) 导致胡卜的黑色腐烂,影响根和幼苗. 洗机显著增加了疾病发病率,这表明收获前感染是可能的.
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.
背景情况:
- 伯克利菌 (Berkeleyomyces basicola) 是塞尔维亚最近报告的一种病原体.
- 这种真菌在胡卜根和幼苗上引起显著的疾病症状.
研究的目的:
- 为了研究胡卜上的Berkeleyomyces basicola的致病性.
- 为了确定收获后洗处理对疾病发病率的影响.
- 评估胡卜在收获前可能感染B. basicola. 的可能性.
主要方法:
- 在胡卜根和幼苗上进行注射测试.
- 收获后处理分析,比较机器和手动洗.
- 用于病原体识别的形态和多部位遗传学分析 (ITS,LSU,MCM7).
- 科赫的假设通过人工注射得到证实.
主要成果:
- 机器洗过的胡卜显示了75%的疾病发病率,而手动洗过的胡卜则为15%.
- B. basicola成功地感染了受伤的胡卜根和幼苗.
- 疫苗注射后7天,受伤和没有受伤的根部都出现了症状.
- 只有受伤的胡卜幼苗被B. basicola.感染和分泌.
结论:
- 在塞尔维亚,B. basicola对胡卜生产构成重大威胁.
- 机器洗的做法可能会加剧收获后疾病.
- 胡卜感染B. basicola可能比以前想象的更早,包括收获前的阶段.
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