First Report of Botryosphaeria dothidea Causing Leaf Blight on Magnolia liliiflora in China

IF 1.2 4区农林科学 Q3 PLANT SCIENCES

Journal of Phytopathology Pub Date : 2026-07-12 DOI:10.1111/jph.70360

Haoqin Pan, Jing Zhang, Cuicui Wang, Yanqing Li, Wenjuan Chi, Yingxin Ma, Bo Zheng

引用次数: 0

Abstract

Magnolia liliiflora is a widely cultivated ornamental plant in China. In September 2025, a leaf blight disease was observed on M. liliiflora in Shandong Province. A field survey of 60 plants showed that 40% of the plants were symptomatic, with 20%–30% of leaves affected per diseased plant. A fungus was consistently isolated from symptomatic leaf tissues. Based on morphological characteristics, phylogenetic analyses of ITS, TUB2 and TEF1-α gene sequences and pathogenicity tests, the isolates were identified as Botryosphaeria dothidea. To our knowledge, this is the first report of B. dothidea causing leaf blight on M. liliiflora worldwide, providing a foundation for future epidemiological studies and management strategies.

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中国白玉兰叶枯病病原菌报道初报

白玉兰是中国广泛种植的观赏植物。2025年9月，在山东省发现了百合叶枯病。对60株植物的实地调查表明，40%的植物有症状，每株病株的叶片受影响的比例为20%-30%。从有症状的叶组织中一直分离到一种真菌。根据形态特征、ITS、TUB2和TEF1-α基因序列的系统发育分析和致病性检测，鉴定分离株为多idea葡萄球孢菌。据我们所知，这是世界上第一次报道白僵菌引起百合叶枯病，为今后的流行病学研究和管理策略提供了基础。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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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.