摘要
类拟盘多毛孢真菌(Pestalotiopsis-like fungi)是危害蓝莓的一类重要病原菌。实验室前期对比发现有8株分离自蓝莓病样的类拟盘多毛孢菌单独聚成一支,并且与危害蓝莓的类拟盘多毛孢已知种相互区分,表明这8株菌有可能是危害蓝莓的新纪录种或新种。为明确这8株菌的种群分类地位,本研究对供试菌株进行形态学鉴定及系统发育分析,结果表明它们隶属于污斑新拟盘多毛孢Neopestalotiopsis foedans,这是该菌危害蓝莓在国内外的首次报道。在此基础上,进一步研究了该新纪录种不同菌株对辽宁省5个蓝莓主栽品种的致病能力,结果表明这8株菌的致病力具有明显分化,不同蓝莓品种均对强致病菌株较敏感,生产中应当加以重视。
Pestalotiopsis-like fungi are an important class of pathogens on blueberry.Based on comparison analysis with reported Pestalotiopsis-like fungi on blueberry,8 Pestalotiopsis-like isolates from blueberry were distinguished from those reported species and classified together in a single branch,which suggest that these isolates may be as a new record species or a novel species.Morphological and molecular phylogenetic methods were used to classify the 8 isolates,and the results suggested that they were Neopestalotiopsis foedans,which was the first report of N.foedans causing blueberry disease in the world.Further evidences showed that these 8 isolates had different virulence on five main blueberry cultivars in Liaoning Province.However,almost all tested cultivars were sensitive to the isolates with strong virulence,which should be considered in practice.
作者
曹莹
张爽
张娟
王亚娟
钱硕君
孙琰
严雪瑞
CAO Ying;ZHANG Shuang;ZHANG Juan;WANG Yajuan;QIAN Shuojun;SUN Yan;YAN Xuerui(Key Laboratory of Protected Horticulture,Ministry of Education,Shenyang Agricultural University,Shenyang 110866,China)
出处
《植物病理学报》
CAS
CSCD
北大核心
2023年第3期367-374,共8页
Acta Phytopathologica Sinica
基金
辽宁省兴辽英才计划项目(XLYC2002053)
辽宁省重点研发项目(2019JH2/10200009)
辽宁百千万人才工程资助项目(辽人社[2019]45号)
沈阳市科技计划资助项目(21-116-3-24)
关键词
蓝莓
类拟盘多毛孢
污斑拟盘多毛孢
致病力
blueberry
Pestalotiopsis-like fungi
Neopestalotiopsis foedans
pathogenicity
