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Article

Population Genetic Analyses and Trichothecene Genotype Profiling of Fusarium pseudograminearum Causing Wheat Crown Rot in Henan, China

1
Wheat Research Institute, Henan Academy of Agricultural Sciences, Zhengzhou 450002, China
2
Plant Science College, Tibet Agriculture & Animal Husbandry University, Linzhi 860000, China
3
Institute for Agro-Food Standards and Testing Technology, Ministry of Agriculture, Shanghai Academy of Agricultural Sciences, Shanghai 201403, China
*
Authors to whom correspondence should be addressed.
The authors contributed equally to this work.
J. Fungi 2024, 10(4), 240; https://doi.org/10.3390/jof10040240
Submission received: 6 February 2024 / Revised: 20 March 2024 / Accepted: 20 March 2024 / Published: 22 March 2024
(This article belongs to the Special Issue Fungal Plant Pathogens)

Abstract

In China, Fusarium pseudograminearum has emerged as a major pathogen causing Fusarium crown rot (FCR) and caused significant losses. Studies on the pathogen’s properties, especially its mating type and trichothecene chemotypes, are critical with respect to disease epidemiology and food/feed safety. There are currently few available reports on these issues. This study investigated the species composition, mating type idiomorphs, and trichothecene genotypes of Fusarium spp. causing FCR in Henan, China. A significant shift in F. pseudograminearum-induced FCR was found in the present study. Of the 144 purified strains, 143 were F. pseudograminearum, whereas only 1 Fusarium graminearum was identified. Moreover, a significant trichothecene-producing capability of F. pseudograminearum strains from Henan was observed in this work. Among the 143 F. pseudograminearum strains identified, F. pseudograminearum with a 15ADON genotype was found to be predominant (133 isolates), accounting for 92.36% of all strains, followed by F. pseudograminearum with a 3ADON genotype, whereas only one NIV genotype strain was detected. Overall, a relatively well-balanced 1:1 ratio of the F. pseudograminearum population was found in Henan. To the best of our knowledge, this is the first study that has examined the Fusarium populations responsible for FCR across the Henan wheat-growing region.
Keywords: Fusarium crown rot; Fusarium pseudograminearum; trichothecene genotype; mating type Fusarium crown rot; Fusarium pseudograminearum; trichothecene genotype; mating type

Share and Cite

MDPI and ACS Style

Zhang, J.; Zhang, J.; Wang, J.; Zhang, M.; Li, C.; Wang, W.; Suo, Y.; Song, F. Population Genetic Analyses and Trichothecene Genotype Profiling of Fusarium pseudograminearum Causing Wheat Crown Rot in Henan, China. J. Fungi 2024, 10, 240. https://doi.org/10.3390/jof10040240

AMA Style

Zhang J, Zhang J, Wang J, Zhang M, Li C, Wang W, Suo Y, Song F. Population Genetic Analyses and Trichothecene Genotype Profiling of Fusarium pseudograminearum Causing Wheat Crown Rot in Henan, China. Journal of Fungi. 2024; 10(4):240. https://doi.org/10.3390/jof10040240

Chicago/Turabian Style

Zhang, Jianzhou, Jiahui Zhang, Jianhua Wang, Mengyuan Zhang, Chunying Li, Wenyu Wang, Yujuan Suo, and Fengping Song. 2024. "Population Genetic Analyses and Trichothecene Genotype Profiling of Fusarium pseudograminearum Causing Wheat Crown Rot in Henan, China" Journal of Fungi 10, no. 4: 240. https://doi.org/10.3390/jof10040240

APA Style

Zhang, J., Zhang, J., Wang, J., Zhang, M., Li, C., Wang, W., Suo, Y., & Song, F. (2024). Population Genetic Analyses and Trichothecene Genotype Profiling of Fusarium pseudograminearum Causing Wheat Crown Rot in Henan, China. Journal of Fungi, 10(4), 240. https://doi.org/10.3390/jof10040240

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