| 王晓宇,李增平,张宇,单金雪,吴如慧.油梨茎腐病新病原菌的分离鉴定[J].中国南方果树,2020,49(4): |
| 油梨茎腐病新病原菌的分离鉴定 |
| Isolation and Identification of a new pathogen Causing Stem Rot on Persea Americana |
| 投稿时间：2019-12-10 修订日期：2020-03-06 |
| DOI：10.13938/j.issn.1007-1431.20190730 |
| 中文关键词: 油梨 茎腐病 南方灵芝 生物学特性 |
| 英文关键词:Persea americana stem rot Ganoderma australe biological characteristic |
| 基金项目:国家天然橡胶产业技术体系(No.CARS-33-BC1)。 |
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| 中文摘要: |
| 【目的】2019年2月在云南省河口市的油梨活树上发现了一种茎腐病，本研究的目的是明确该病病原菌种类及其生物学特性。【方法】通过形态学鉴定及分子检测的方法鉴定该病原菌种类，并从温度、pH、培养基类型及光照条件等方面对该病原菌的生物学特性进行研究。【结果】通过形态学鉴定及分子检测，确定该病病原菌为南方灵芝[Ganoderma australe（Fr.)Pat.]；该病病原菌菌落生长的最适温度为30℃，最适pH为6，最适培养基为PDA，黑暗条件有利于该病原菌生长。 |
| 英文摘要: |
| [Purpose]In February 2019, a stem rot disease was found on Persea americana in Hekou City, Yunnan Province. The purpose of this study was to identify the species and biological characteristics of the pathogen . [Method]The species of the pathogen was identified by morphological identification and molecular detection, and the biological characteristics of the pathogen were studied in temperature, pH, medium types and light conditions. [Result]By morphological characteristics and molecular detection, the pathogen was identified as Ganoderma australe（Fr.)Pat..The most suitable temperature of the pathogen was 30℃. The best pH of the pathogen was 6. The most suitable culture medium of the pathogen was PDA. The mycelium of the pathogen grew well on dark condition. |
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