Fusarium spp. Associated With Leaf Blight of Hosta (Hosta plantaginea L.) in China

IF 1.1 4区农林科学 Q3 PLANT SCIENCES

Journal of Phytopathology Pub Date : 2025-01-12 DOI:10.1111/jph.70010

Chenyang Jiao, Li Zhang, Xi Xu, Xilang Yang, Lifeng Guo, Xiangjing Wang, Wensheng Xiang, Junwei Zhao

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引用次数: 0

Abstract

Hosta (Hosta plantaginea L.) is a perennial herbaceous plant belonging to the family Liliaceae. It is widely cultivated for its decorative foliage and dainty, colourful flowers. Fusarium is a globally prevalent plant pathogen. During 2020–2021, 116 Fusarium isolates were isolated from 300 hosta leaf blight samples collected from eight cities in China, and 65 representative isolates we selected for further study. The 65 isolates were identified based on the concatenated sequences of the tef1 and rpb2 genes, which grouped them into 12 Fusarium species, including F. acuminatum (27.59%), F. verticillioides (15.52%), F. oxysporum (10.34%), F. armeniacum (10.34%), F. ipomoeae (8.62%), F. proliferatum (6.9%), F. subglutinans (6.9%), F. humuli (3.45%), F. petersiae (3.45%), F. brachygibbosum (3.45%), F. graminearum (1.72%), and F. compactum (1.72%). Pathogenicity tests demonstrated that all Fusarium isolates exhibited high pathogenicity towards hosta leaves. Whereas in F. proliferatum isolates were found to be the most pathogenic. All Fusarium species obtained in this study are first reported as the causal agents of hosta leaf blight in China except F. oxysporum and F. ipomoeae. The current research offers insights into disease management, phylogenetic relationships amongst Fusarium species and the diversity of Fusarium species associated with hosta leaf blight.

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来源期刊

Journal of Phytopathology 生物-植物科学

CiteScore

2.90

自引率

0.00%

发文量

审稿时长

4-8 weeks

期刊介绍： Journal of Phytopathology publishes original and review articles on all scientific aspects of applied phytopathology in agricultural and horticultural crops. Preference is given to contributions improving our understanding of the biotic and abiotic determinants of plant diseases, including epidemics and damage potential, as a basis for innovative disease management, modelling and forecasting. This includes practical aspects and the development of methods for disease diagnosis as well as infection bioassays. Studies at the population, organism, physiological, biochemical and molecular genetic level are welcome. The journal scope comprises the pathology and epidemiology of plant diseases caused by microbial pathogens, viruses and nematodes. Accepted papers should advance our conceptual knowledge of plant diseases, rather than presenting descriptive or screening data unrelated to phytopathological mechanisms or functions. Results from unrepeated experimental conditions or data with no or inappropriate statistical processing will not be considered. Authors are encouraged to look at past issues to ensure adherence to the standards of the journal.