最北端植物病原真菌，Rhytisma arcticum sp. nov.:加拿大Ellesmere岛一新种的形态和分子特征

IF 1.3 4区农林科学 Q3 FORESTRY

Forest Pathology Pub Date : 2023-06-19 DOI:10.1111/efp.12818

Shota Masumoto

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引用次数: 0

摘要

描述了一种新的真菌病原体，Rhytisma arcticum，引起加拿大埃尔斯米尔岛北极柳焦油斑病。叠层、子囊和子囊孢子明显小于柳树上的其他Rhytisma物种，这是其独特的形态特征。rDNA内转录间隔段(ITS)和大亚基(LSU)序列分析表明，该种与斯匹次卑尔根岛报道的R. polare亲缘关系较近。本研究描述了一种新的植物病原体在世界最北端的位置之一。

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The northernmost plant pathogenic fungus, Rhytisma arcticum sp. nov.: Morphological and molecular characterization of a novel species from Ellesmere Island, Canada

A novel fungal pathogen, Rhytisma arcticum, is described, causing tar spot disease on Salix arctica in Ellesmere Island, Canada. Stromata, asci and ascospores—distinctly smaller than other Rhytisma species found on Salix—are its distinctive morphological features. rDNA internal transcribed spacer (ITS) and large-subunit (LSU) sequence analyses revealed a close relation of this species to R. polare previously reported on Spitsbergen Island. This study describes a novel plant pathogen species in one of the northernmost locations of the world.

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来源期刊

Forest Pathology 农林科学-林学

CiteScore

2.70

自引率

0.00%

发文量

审稿时长

12-24 weeks

期刊介绍： This peer reviewed, highly specialized journal covers forest pathological problems occurring in any part of the world. Research and review articles, short communications and book reviews are addressed to the professional, working with forest tree diseases caused by fungi, bacteria, nematodes, viruses, and phytoplasms; their biology, morphology, and pathology; disorders arising from genetic anomalies and physical or chemical factors in the environment. Articles are published in English. Fields of interest: Forest pathology, effects of air pollution and adverse environmental conditions on trees and forest ecosystems.