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白木香枝枯病病原菌的鉴定 被引量:13

Identification of pathogen of Aquilaria sinensis dieback disease
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摘要 目的:明确白木香枝枯病的病原菌,确定其是否能够诱导白木香产生沉香。方法:通过形态特征观察、rDNA-ITS序列测定分析、柯赫氏法则验证确定病原菌及其分类地位。结果:分析结果表明,侵染白木香Aquilaria sinensis的病原菌为可可毛色二孢Lasiodiplodia theobromae,该菌可诱导沉香产生。结论:首次明确白木香枝枯病的病原菌为可可毛色二孢,为利用真菌诱导白木香结香研究提供理论基础。 The research focused on identification the pathogen of Aquilaria sinensis dieback disease and confirmation the function of inducing agarwood formation by fungi. Method: The morphological observation, rDNA ITS sequence analyses, Koch's postulates and pathogenicity test were used to identify the isolates. Result: The isolates of the causal agent was Lasiodiplodia theobromae, which induced the plant to produce highly valuable agarwood. Conclusion: The first report of dieback disease of Aquilaria sinensis caused by L. theobromae, and our research results laid a theoretical foundation for agarwood production by using fungus.
出处 《中国中药杂志》 CAS CSCD 北大核心 2013年第11期1707-1711,共5页 China Journal of Chinese Materia Medica
基金 国家自然科学基金项目(31000136 81173481) 国家"十二五"科技支撑计划项目(2011BAI01B07) 北京市自然科学基金项目(6102024) 教育部新世纪优秀人才支持计划项目(2008) 高等学校博士学科点专项科研基金项目(20091106120009) 海南省中药现代化专项项目(2010ZY001 2012ZY002) 海南省重大科技研发专项(ZDZX20100006)
关键词 白木香枝枯病 可可毛色二孢 沉香 Aquilaria sinensis dieback disease Lasiodiplodia theobromae agarwood
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