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Species Identification and Pathogenicity Analysis of the Pathogen of Fusarium Crown Rot of Wheat in Shaanxi and Shanxi Provinces
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Jiaqi LI1, Caiye WANG1, Liuyun XI1, Fuli XIA1, Jiale ZHANG1, Chunlian LI2, Feizhou XIE3, Xiangjie YIN4, Weiliang QI5, Yantian ZHU4, Fengping YUAN1, Zhensheng KANG1, Dejun HAN2, Qingdong ZENG1
Journal of Triticeae Crops | 2025, 45(4) : 528 - 535
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Journal of Triticeae Crops | 2025, 45(4): 528-535
• Disease and Pest Contro •
Species Identification and Pathogenicity Analysis of the Pathogen of Fusarium Crown Rot of Wheat in Shaanxi and Shanxi Provinces
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Jiaqi LI1, Caiye WANG1, Liuyun XI1, Fuli XIA1, Jiale ZHANG1, Chunlian LI2, Feizhou XIE3, Xiangjie YIN4, Weiliang QI5, Yantian ZHU4, Fengping YUAN1, Zhensheng KANG1, Dejun HAN2, Qingdong ZENG1
Affiliations
  • 1.College of Plant Protection/State Key Laboratory for Crop Stress Resistance and High-Efficiency Production, Northwest A&F University, Yangling, Shaanxi 712100, China
  • 2.College of Agronomy, Northwest A&F University, Yangling, Shaanxi 712100, China
  • 3.Plant Protection Station of Shaanxi Province, Xi'an, Shaanxi 710003, China
  • 4.Plant Protection and Quarantine Station of Shanxi Province, Taiyuan, Shanxi 030001, China
  • 5.Longdong University, Qingyang, Gansu 745000, China
Published: 2025-04-15 doi: 10.7606/j.issn.1009-1041.2025.04.12
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In order to study the species composition and differences in pathogenicity of Fusarium crown rot of wheat pathogens in Shaanxi and Shanxi Provinces, 663 strains displaying crown rot symptoms were systematically collected from 35 sampling sites in Shaanxi and Shanxi provinces in the spring of 2023. Subsequently, five strains were randomly selected from each sampling site for pathogen isolation, and morphological observation and the molecular identification of ITS and trichothecene biosynthetic 1(Tri1) sequences were carried out. 138 strains were isolated from 175 cultures, and 85 strains of Fusarium spp. were identified by morphological and sequence analysis: including 72 strains of Fusarium pseudograminearum (84.71%), 7 strains of F. tricinctum (8.24%), 3 strains of F. graminearum (3.53%), 2 strains of F. avenaceum (2.35%), and 1 strain of F. verticillioidis (1.18%). The results showed that F. pseudograminearum was identified as the dominant pathogen causing Fusarium crown rot of wheat in Shaanxi and Shanxi Provinces. Furthermore, 32 strains of F. pseudograminearum were randomly selected to identify the pathogenicity of wheat seedlings. It was found that there were significant differences in pathogenicity among different strains. In addition, the Tri1 gene specific marker was developed in this study. Although the polymorphism of Tri1 did not directly correspond to the difference in pathogenicity, the marker effectively distinguished between F. pseudograminearum and F. graminearum. In summary, this study confirmed that the dominant strain of Fusarium crown rot of wheat in Shaanxi and Shanxi Provinces were F. pseudograminearum, and the isolates of F. pseudograminearum from different samples had significant differences in pathogenicity at seedling stage of wheat.

Fusarium crown rot  /  Pathogen identification  /  Fusarium pseudograminearum  /  Pathogenicity analysis
Jiaqi LI, Caiye WANG, Liuyun XI, Fuli XIA, Jiale ZHANG, Chunlian LI, Feizhou XIE, Xiangjie YIN, Weiliang QI, Yantian ZHU, Fengping YUAN, Zhensheng KANG, Dejun HAN, Qingdong ZENG. Species Identification and Pathogenicity Analysis of the Pathogen of Fusarium Crown Rot of Wheat in Shaanxi and Shanxi Provinces[J]. Journal of Triticeae Crops, 2025 , 45 (4) : 528 -535 . DOI: 10.7606/j.issn.1009-1041.2025.04.12
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Year 2025 volume 45 Issue 4
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Article Info
doi: 10.7606/j.issn.1009-1041.2025.04.12
  • Receive Date：2024-03-09
  • Online Date：2026-09-11
  • Published：2025-04-15
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History
  • Received：2024-03-09
  • Revised：2024-05-07
Funding
Affiliations
    1.College of Plant Protection/State Key Laboratory for Crop Stress Resistance and High-Efficiency Production, Northwest A&F University, Yangling, Shaanxi 712100, China
    2.College of Agronomy, Northwest A&F University, Yangling, Shaanxi 712100, China
    3.Plant Protection Station of Shaanxi Province, Xi'an, Shaanxi 710003, China
    4.Plant Protection and Quarantine Station of Shanxi Province, Taiyuan, Shanxi 030001, China
    5.Longdong University, Qingyang, Gansu 745000, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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