First report of Fusarium concentricum and F. verticillioides causing leaf spot on Trachelospermum jasminoides in China

IF 2.5 2区农林科学 Q1 AGRONOMY Crop Protection Pub Date : 2024-12-12 DOI:10.1016/j.cropro.2024.107071

Mengting Jiang, Yifei Wang, Qiuqin Wang, Xiuyu Zhang, Yu Wan, Yinjuan Zhao

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Abstract

Trachelospermum jasminoides (Lindl.) Lem. Is widely used in landscaping. In August 2023, leaf spot disease in T. jasminoides was observed in the city parks and foresty districts of Nanjing, Jiangsu Province, China. Symptoms of the disease include gray‒white spots of different sizes and round or irregular shapes, and late leaf spots are very prone to crumbling, the formation of perforation symptoms, and leaf scorching and shedding. Pathogenic fungi were isolated from diseased leaves and identified as Fusarium concentricum and F. verticillioides on the basis of morphological features and multilocus phylogenetic analyses of the internal transcribed spacer (ITS) region, RNA polymerase II subunit B (RPB2), calmodulin (CaM), β-tubulin (TUB2) and translation elongation factor 1-alpha (TEF1-α) gene sequences. Pathogenicity tests revealed that F. concentricum and F. verticillioides can cause leaf spot on T. jasminoides. This study is the first report of F. concentricum and F. verticillioides causing leaf spot on T. jasminoides in China and provides a solid theoretical foundation for the scientific prevention and control of this disease.

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引起茉莉叶斑病的镰刀菌和黄萎病镰刀菌在国内首次报道

茉莉花（英文）登月舱。广泛应用于园林绿化。2023年8月，在江苏省南京市城市公园和林区观察到茉莉叶斑病。该病的症状为大小不一、形状圆形或不规则的灰白色斑点，晚期叶斑极易碎裂，形成穿孔症状，叶片灼落。从病叶中分离到病原菌，通过形态学特征和内部转录间隔区（ITS）、RNA聚合酶II亚基B （RPB2）、钙调蛋白（CaM）、β-微管蛋白（TUB2）和翻译伸长因子1-α (TEF1-α)基因序列的多位点系统发育分析，鉴定为镰刀菌（Fusarium concentricum）和黄萎病菌（F. verticillioides）。致病性试验表明，集中镰刀菌和黄萎病镰刀菌可引起茉莉叶斑病。本研究是国内首次报道集中镰刀菌和黄萎病镰刀菌引起茉莉花叶斑病，为科学防治该病害提供了坚实的理论基础。

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来源期刊

Crop Protection 农林科学-农艺学

CiteScore

6.10

自引率

3.60%

发文量

200

审稿时长

29 days

期刊介绍： The Editors of Crop Protection especially welcome papers describing an interdisciplinary approach showing how different control strategies can be integrated into practical pest management programs, covering high and low input agricultural systems worldwide. Crop Protection particularly emphasizes the practical aspects of control in the field and for protected crops, and includes work which may lead in the near future to more effective control. The journal does not duplicate the many existing excellent biological science journals, which deal mainly with the more fundamental aspects of plant pathology, applied zoology and weed science. Crop Protection covers all practical aspects of pest, disease and weed control, including the following topics: -Abiotic damage- Agronomic control methods- Assessment of pest and disease damage- Molecular methods for the detection and assessment of pests and diseases- Biological control- Biorational pesticides- Control of animal pests of world crops- Control of diseases of crop plants caused by microorganisms- Control of weeds and integrated management- Economic considerations- Effects of plant growth regulators- Environmental benefits of reduced pesticide use- Environmental effects of pesticides- Epidemiology of pests and diseases in relation to control- GM Crops, and genetic engineering applications- Importance and control of postharvest crop losses- Integrated control- Interrelationships and compatibility among different control strategies- Invasive species as they relate to implications for crop protection- Pesticide application methods- Pest management- Phytobiomes for pest and disease control- Resistance management- Sampling and monitoring schemes for diseases, nematodes, pests and weeds.