Pathogenic与泰国北部一年生和多年生作物有关的真菌(sordariomyetes)。

IF 2.8 2区 生物学 Q2 MYCOLOGY
Mycokeys Pub Date : 2025-05-09 eCollection Date: 2025-01-01 DOI:10.3897/mycokeys.117.137112
Maryam Fallahi, Alireza Armand, Fatimah Al-Otibi, Kevin D Hyde, Ruvishika S Jayawardena
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引用次数: 0

摘要

植物致病性真菌在植物宿主中引起严重疾病,可能导致作物数量和质量的显著下降。在这项研究中,我们分离并鉴定了威胁泰国北部一年生和多年生作物成功种植的致病真菌。从泰国清莱、清迈和萨贡那空省的19种不同作物中收集了叶斑、果腐、萎蔫和枯死症状的样本。从183株分离株中,选取27株进行分子分析和多基因系统发育研究,基于其不同的寄主范围、地理分布和初步形态学评估。鉴定出种类最多样化的4个真菌属——炭疽菌属(Colletotrichum)、Diaporthe、镰刀菌属(Fusarium)和Neopestalotiopsis,以及23个分类群,包括4个新种。炭疽菌属6种(炭疽菌属、果孢菌属、makassarense菌属、plurivorum菌属、siamense菌属、spaethianum菌属),蝶孢菌属6种(Diaporthefistulosi、d.h ongenicola、d.r ossae、d.s sennicola、d.s siamensis),镰刀菌属5种(fusariumbubalum、f.l languescens、f.n nirenbergiae、f.s lawesiense、f.t tanahbumbuensis),新建立多毛孢菌属3种(Neopestalotiopsisformicidarum、n.t obromicola sp. nov),N.zakeelii,以及3个未指明的分类群)。此外,还报告了14项新的宿主记录和8项新的地理记录。对所选菌株进行了致病性试验,结果证实了其对寄主植物的致病性。这项研究为泰国北部植物病原真菌物种多样性提供了新的见解。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Pathogenic fungi (Sordariomycetes) associated with annual and perennial crops in Northern Thailand.

Phytopathogenic fungi induce severe diseases in plant hosts, potentially leading to significant crop quantity and quality reductions. In this study, we isolated and identified pathogenic fungi that threaten the successful cultivation of annual and perennial crops in northern Thailand. Samples with leaf spots, fruit rot, wilting, and dieback symptoms were collected from 19 different crops in Chiang Rai, Chiang Mai, and Sakon Nakhon provinces in Thailand. Out of 183 isolates, 27 were selected for molecular analysis and multi-gene phylogenetic study based on their diverse host range, geographical distribution, and an initial morphological assessment. Four of the most species-diverse fungal genera - Colletotrichum, Diaporthe, Fusarium, and Neopestalotiopsis - were identified, along with 23 taxa, including four novel species. Six species of Colletotrichum (Colletotrichumabelmoschi sp. nov., C.fructicola, C.makassarense, C.plurivorum, C.siamense, and C.spaethianum), six species of Diaporthe (Diaporthefistulosi sp. nov., D.hongkongensis, D.melongenicola sp. nov., D.rosae, D.sennicola, and D.siamensis), five species of Fusarium (Fusariumbubalinum, F.languescens, F.nirenbergiae, F.sulawesiense, and F.tanahbumbuense), and three species of Neopestalotiopsis (Neopestalotiopsisformicidarum, N.theobromicola sp. nov., and N.zakeelii, along with three unspecified taxa), were isolated and characterized in this study. Additionally, fourteen new host records and eight new geographical records are reported. Pathogenicity tests were carried out for selected strains, and the results confirmed their pathogenicity on their host plants. This study offers new insights into the diversity of species of plant pathogenic fungi in northern Thailand.

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来源期刊
Mycokeys
Mycokeys MYCOLOGY-
CiteScore
5.90
自引率
12.10%
发文量
66
审稿时长
6 weeks
期刊介绍: MycoKeys is a peer-reviewed, open-access, online and print, rapidly produced journal launched to support free exchange of ideas and information in systematics and biology of fungi (including lichens). All papers published in MycoKeys can be freely copied, downloaded, printed and distributed at no charge for the reader. Authors are thus encouraged to post the pdf files of published papers on their homepages or elsewhere to expedite distribution. There are no restrictions nor charge for color.
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