The Relationship Analysis on Corn Stalk Rot and Ear Rot According to <i>Fusarium</i> Species and Fumonisin Contamination in Kernels

The Relationship Analysis on Corn Stalk Rot and Ear Rot According to <i>Fusarium</i> Species and Fumonisin Contamination in Kernels

<i>Fusarium</i> diseases, including corn root rot, sheath rot, stalk rot, and ear rot are frequently occurring in maize producing areas of China. <i>Fusarium</i> stalk rot and ear rot are the most serious diseases and often occur at the same time, but it is unclear whether th...

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Main Authors: Lina Li, Qing Qu, Zhiyan Cao, Zhengyu Guo, Hui Jia, Ning Liu, Yanhui Wang, Jingao Dong
Format: Article
Language:English
Published: MDPI AG 2019-06-01
Series:Toxins
Subjects:
corn stalk rot
<i>Fusarium</i> species
ear rot
fumonisins
Online Access:https://www.mdpi.com/2072-6651/11/6/320
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spelling doaj-eca734c9921d42f1823ff59d8f6dd3dd2020-11-24T21:54:17ZengMDPI AGToxins2072-66512019-06-0111632010.3390/toxins11060320toxins11060320The Relationship Analysis on Corn Stalk Rot and Ear Rot According to <i>Fusarium</i> Species and Fumonisin Contamination in KernelsLina Li0Qing Qu1Zhiyan Cao2Zhengyu Guo3Hui Jia4Ning Liu5Yanhui Wang6Jingao Dong7Plant Pathogenic Mycotoxin and Molecular Plant Pathology Laboratory of Hebei Agricultural University, Hebei Key Laboratory of Plant Physiology and Molecular Pathology, Hebei Agricultural University, Baoding 071001, ChinaPlant Pathogenic Mycotoxin and Molecular Plant Pathology Laboratory of Hebei Agricultural University, Hebei Key Laboratory of Plant Physiology and Molecular Pathology, Hebei Agricultural University, Baoding 071001, ChinaPlant Pathogenic Mycotoxin and Molecular Plant Pathology Laboratory of Hebei Agricultural University, Hebei Key Laboratory of Plant Physiology and Molecular Pathology, Hebei Agricultural University, Baoding 071001, ChinaMaize Research Institute to Shanxi Academy of Agriculture Sciences, Xinzhou 034000, ChinaPlant Pathogenic Mycotoxin and Molecular Plant Pathology Laboratory of Hebei Agricultural University, Hebei Key Laboratory of Plant Physiology and Molecular Pathology, Hebei Agricultural University, Baoding 071001, ChinaPlant Pathogenic Mycotoxin and Molecular Plant Pathology Laboratory of Hebei Agricultural University, Hebei Key Laboratory of Plant Physiology and Molecular Pathology, Hebei Agricultural University, Baoding 071001, ChinaPlant Pathogenic Mycotoxin and Molecular Plant Pathology Laboratory of Hebei Agricultural University, Hebei Key Laboratory of Plant Physiology and Molecular Pathology, Hebei Agricultural University, Baoding 071001, ChinaPlant Pathogenic Mycotoxin and Molecular Plant Pathology Laboratory of Hebei Agricultural University, Hebei Key Laboratory of Plant Physiology and Molecular Pathology, Hebei Agricultural University, Baoding 071001, China<i>Fusarium</i> diseases, including corn root rot, sheath rot, stalk rot, and ear rot are frequently occurring in maize producing areas of China. <i>Fusarium</i> stalk rot and ear rot are the most serious diseases and often occur at the same time, but it is unclear whether there is a correlation between <i>Fusarium</i> composition and disease occurrence. This study was conducted to clarify the relationship between the two diseases. A total of 49 corn stalk rot samples were collected from 15 regions of eight provinces in China from 2016 to 2018. The pathogens were isolated and identified separately from stalks, ear stems, and kernels. The contents of the fumonisins (FB<sub>1</sub> and FB<sub>2</sub>) were detected in kernels. The results showed that the main <i>Fusarium</i> species were found in corn kernels, ear stems and stalks at the same time. The results showed that 1201 strains of <i>Fusarium verticillioides</i>, 668 strains of <i>Fusarium oxysporum</i>, 574 strains of <i>Fusarium graminearum</i> species complex (FGSC), 318 strains of <i>Fusarium equiseti</i>, 95 strains of <i>Fusarium proliferatum</i>, and 40 strains of <i>Fusarium subglutinans</i> were isolated from 1470 corn kernels, 245 ear stems, and 1225 stalks randomly selected from 49 samples. The contamination rate of fumonisins in the 49 samples was 57.1% with an average content of 1.9 &#956;g/g, of which four samples exhibited higher levels as set by the European Commission (4.0 &#956;g/g). These results provide a certain association between stalk rot and ear rot and lay a foundation to study the relationships among <i>Fusarium</i> maize diseases.https://www.mdpi.com/2072-6651/11/6/320corn stalk rot<i>Fusarium</i> speciesear rotfumonisins
collection DOAJ
language English
format Article
sources DOAJ
author Lina Li
Qing Qu
Zhiyan Cao
Zhengyu Guo
Hui Jia
Ning Liu
Yanhui Wang
Jingao Dong
spellingShingle Lina Li
Qing Qu
Zhiyan Cao
Zhengyu Guo
Hui Jia
Ning Liu
Yanhui Wang
Jingao Dong
The Relationship Analysis on Corn Stalk Rot and Ear Rot According to <i>Fusarium</i> Species and Fumonisin Contamination in Kernels
Toxins
corn stalk rot
<i>Fusarium</i> species
ear rot
fumonisins
author_facet Lina Li
Qing Qu
Zhiyan Cao
Zhengyu Guo
Hui Jia
Ning Liu
Yanhui Wang
Jingao Dong
author_sort Lina Li
title The Relationship Analysis on Corn Stalk Rot and Ear Rot According to <i>Fusarium</i> Species and Fumonisin Contamination in Kernels
title_short The Relationship Analysis on Corn Stalk Rot and Ear Rot According to <i>Fusarium</i> Species and Fumonisin Contamination in Kernels
title_full The Relationship Analysis on Corn Stalk Rot and Ear Rot According to <i>Fusarium</i> Species and Fumonisin Contamination in Kernels
title_fullStr The Relationship Analysis on Corn Stalk Rot and Ear Rot According to <i>Fusarium</i> Species and Fumonisin Contamination in Kernels
title_full_unstemmed The Relationship Analysis on Corn Stalk Rot and Ear Rot According to <i>Fusarium</i> Species and Fumonisin Contamination in Kernels
title_sort relationship analysis on corn stalk rot and ear rot according to <i>fusarium</i> species and fumonisin contamination in kernels
publisher MDPI AG
series Toxins
issn 2072-6651
publishDate 2019-06-01
description <i>Fusarium</i> diseases, including corn root rot, sheath rot, stalk rot, and ear rot are frequently occurring in maize producing areas of China. <i>Fusarium</i> stalk rot and ear rot are the most serious diseases and often occur at the same time, but it is unclear whether there is a correlation between <i>Fusarium</i> composition and disease occurrence. This study was conducted to clarify the relationship between the two diseases. A total of 49 corn stalk rot samples were collected from 15 regions of eight provinces in China from 2016 to 2018. The pathogens were isolated and identified separately from stalks, ear stems, and kernels. The contents of the fumonisins (FB<sub>1</sub> and FB<sub>2</sub>) were detected in kernels. The results showed that the main <i>Fusarium</i> species were found in corn kernels, ear stems and stalks at the same time. The results showed that 1201 strains of <i>Fusarium verticillioides</i>, 668 strains of <i>Fusarium oxysporum</i>, 574 strains of <i>Fusarium graminearum</i> species complex (FGSC), 318 strains of <i>Fusarium equiseti</i>, 95 strains of <i>Fusarium proliferatum</i>, and 40 strains of <i>Fusarium subglutinans</i> were isolated from 1470 corn kernels, 245 ear stems, and 1225 stalks randomly selected from 49 samples. The contamination rate of fumonisins in the 49 samples was 57.1% with an average content of 1.9 &#956;g/g, of which four samples exhibited higher levels as set by the European Commission (4.0 &#956;g/g). These results provide a certain association between stalk rot and ear rot and lay a foundation to study the relationships among <i>Fusarium</i> maize diseases.
topic corn stalk rot
<i>Fusarium</i> species
ear rot
fumonisins
url https://www.mdpi.com/2072-6651/11/6/320
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