在波多黎各可可可的真菌病原体
1Foreign Disease-Weed Science Research Unit, United States Department of Agriculture-Agricultural Research Service, Fort Detrick, MD 21702, USA.
Plants (Basel, Switzerland)
|November 25, 2023
概括
波多黎各 波多黎各 波多黎各
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.
- 热带农业 热带农业
背景情况:
- 波多黎各的可可生产正在扩大.
- 疾病的病因和程度以前是未知的.
- 盆栽腐烂和树枝衰退很普遍.
研究的目的:
- 在波多黎各确定可可病原体.
- 确定常见真菌物种的毒性.
- 为疾病管理策略提供信息.
主要方法:
- 整个岛屿的可可农场的调查.
- 使用DNA测序对真菌病原体进行隔离和鉴定.
- 接种研究,以评估可可豆和茎的毒性.
主要成果:
- Diaporthe spp. 的一个例子. (48%) 和Lasiodiplodia spp. 的使用. (25%) 是最常见的分离物.
- 鉴定出Lasiodiplodia theobromae和Diaporthe tulliensis是普遍存在的物种.
- 在L.I.L.里面, theobromae和Phytophthora palmivora导致了比D.D.大得多的病变. 塔利尼斯人 (Tulliensis) 是一个
结论:
- 拉西奥迪普洛迪亚theobromae和Diaporthe tulliensis是波多黎各常见的可可病原体.
- 这些真菌与Phytophthora palmivora一起,影响了可可的健康.
- 了解这些病原体有助于选择有效的杀菌剂来控制疾病.
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