Cadophora sabaouae sp. nov. and Phaeoacremonium Species Associated with Petri Disease on Grapevine Propagation Material and Young Grapevines in Algeria

Cadophora sabaouae sp. nov. and Phaeoacremonium Species Associated with Petri Disease on Grapevine Propagation Material and Young Grapevines in Algeria
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DOI：
10.1094/pdis-11-20-2380-re
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发表时间：
2021-11-01
期刊：
PLANT DISEASE
影响因子：
4.5
通讯作者：
Berraf-Tebbal, Akila
Berraf-Tebbal, Akila
中科院分区：
农林科学2区
文献类型：
--
作者：
Aigoun-Mouhous, Wassila;Mahamedi, Alla Eddine;Berraf-Tebbal, Akila

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对阿尔及利亚不同地区苗圃和有症状葡萄幼苗的无症状葡萄繁殖材料进行了实地调查，收集了70株phaeoacremonium样分离株和3株cadophora样分离株。根据i3 -微管蛋白（tub2）和actin的形态和DNA序列数据，共鉴定出最小Phaeoacremonium（22株）、委内瑞拉Phaeoacremonium（19株）、寄生Phaeoacremonium（17株）、澳大利亚Phaeoacremonium（8株）和巴西Phaeoacremonium（4株）5种Phaeoacremonium。后两种（P. australiense和P. iranianum）为阿尔及利亚首次报道。通过多位点系统发育分析（内部转录间隔段、管b2和翻译伸长因子1- α）和形态特征，将Cadophora属的3个分离株（WAMC34、WAMC117和WAMC118）描述为一个新种，命名为Cadophora sabaouae sp. nov.。所有鉴定的菌种均对葡萄藤插枝具有致病性。
A field survey conducted on asymptomatic grapevine propagation material from nurseries and symptomatic young grapevines throughout different regions of Algeria yielded a collection of 70 Phaeoacremonium-like isolates and three Cadophora-like isolates. Based on morphology and DNA sequence data of I3-tubulin (tub2) and actin, five Phaeoacremonium species were identified including Phaeoacremonium minimum (22 isolates), Phaeoacremonium venezuelense (19 isolates), Phaeoacremonium parasiticum (17 isolates), Phaeoacremonium australiense (8 isolates), and Phaeoacremon bun ira nianu m (4 isolates). The latter two species (P. australiense and P. iranianum) were reported for the first time in Algeria. Multilocus phylogenetic analyses (internal transcribed spacer, tub2, and translation elongation factor 1-alpha) and morphological features, allowed the description of the three isolates belonging to the genus Cadophora (WAMC34, WAMC117, and WAMC118) as a novel species, named Cadophora sabaouae sp. nov. Pathogenicity tests were conducted on grapevine cuttings cultivar Cardinal. All the identified species were pathogenic on grapevine cuttings.