文献类型：期刊文献

中文题名：板栗枝枯病相关的壳囊孢属一新种

英文题名：A new species of Cytospora associated with Chinese chestnut dieback disease

作者：姜宁[1] 薛寒[1] 李永[1]

第一作者：姜宁

机构：[1]中国林业科学研究院森林生态环境与自然保护研究所,生物多样性保护国家林业和草原局重点实验室,北京100091

年份：2025

期号：1

起止页码：48-54

中文期刊名：树木医学

基金：中央级公益性科研院所基本科研业务费专项资金项目(CAFYBB2023MA012)

语种：中文

中文关键词：子囊菌;间座壳目;分子系统学;鉴定;板栗;壳囊孢属

外文关键词：Ascomycota;Diaporthales;molecular phylogeny;identification;Castanea mollissima;Cytospora

分类号：S763.15

摘要：板栗枝枯病和溃疡病是板栗栽培中的常见病害,对树木健康和板栗产量造成一定影响。在开展全国板栗栽培区病害调查的基础上,采集贵州省黔南州望谟县的板栗枝枯标本,采用组织分离法和单孢分离法获取病原菌菌株,结合形态学特征和分子系统学分析对分离的菌株进行鉴定。新获得的菌株CFCC 71068和N317B代表壳囊孢属的1个新物种,命名为微孢壳囊孢Cytospora minispora。研究结果丰富了板栗病原菌的种类,为后续的分类研究和病害防控提供基础资料。
Chinese chestnut(Castanea mollissima)dieback and canker diseases are common in plantations,affecting tree health and nut yield.Based on the nationwide disease survey of chestnut cultivation areas,fungal strains associated with diseases were obtained by tissue isolation and single-spore isolation methods from samples collected in Wangmo County,Qiannan Prefecture,Guizhou Province,China.Isolates were identified by combined morphological characteristics and molecular phylogeny.As a result,isolates CFCC 71068 and N317B represent a new species of the genus Cytospora,named Cytospora.minispora.The results enrich the category of chestnut pathogens and provide foundational data for subsequent taxonomic studies and disease control.