Morphological, phylogenetic, and pathogenic analyses of <i>Fusarium andiyazi</i> associated with sugar beet root diseases

Taha, Eihab Mohamed

doi:10.1080/03235408.2020.1829873

Cited by 3 publications

(4 citation statements)

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“…Sugar beet is the principal industrial crop grown in the extensive agricultural lands of the Khenifra-Beni Mellal region (Farhaoui et al, 2023) (Cao et al, 2012;Hanson & Hill, 2004;Harveson & Rush, 1997;Taha, 2020).…”

Section: Discussionmentioning

confidence: 99%

“…The current study details the first report revealing that F. solani , F. equiseti , F. proliferatum , F. brachygibbosum , F. falciforme , F. culmorum , and F. nygamai are causative agents of root rot in sugar beets grown in Morocco. In fact, Fusarium species have been reported as causative agents of sugar beet RTR in other sugar beet growing regions around the world like the USA, China, Egypt, and the United Kingdom (Cao et al, 2012; Hanson & Hill, 2004; Harveson & Rush, 1997; Taha, 2020).…”

Section: Discussionmentioning

confidence: 99%

“…In the USA, F. solani (Hanson & Lewellen, 2007) and F. equiseti (Khan et al, 2021) have been reported to be causative agents of root rots in sugar beet. In addition, the pathogen F. andiyazi can induce RTR in sugar beet seedlings in Egypt (Taha, 2020). In China, Cao et al (2018) reported that F. brachygibbosum , F. nygamai , F. proliferatum F. redolens , and F. tricinctum have also been isolated from diseased roots of sugar beet.…”

Section: Introductionmentioning

confidence: 99%

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Characterization and pathogenicity of Fusarium species causing sugar beet root rot in Morocco

Farhaoui

Alami

Gachara

et al. 2023

Journal of Phytopathology

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The sugar beet crop ranks second globally among the plant species grown mainly for sugar production. In Morocco, the area under sugar beet farming occupies approximately 57,000 ha yielding more than 3 million tons of roots. However, sugar beet root‐tip rot (RTR) caused by Fusarium spp. dramatically reduces the anticipated yields, the purity of the resulting juice, and the sugar concentration. The current study aimed at identifying and characterizing the Fusarium species responsible for the root rot in sugar beet grown in the Khenifra‐Beni Mellal region of Morocco. In this survey, 69 isolates of Fusarium were sampled from sugar beet roots showing typical symptoms of root rot from 2019 to 2021. After screening based on the pathogenicity test, 28 isolates were selected and identified based on morphological features and sequence analyses of the ribosomal internal transcribed spacer (ITS) region and translation elongation factor 1 α 34 (TEF‐1 α). Fusarium oxysporum was the most frequently identified species, followed closely by F. solani, F. equiseti, F. nygmai, F. brachygibbosum, F. proliferatum, F. culmorum, and F. falciforme. Six weeks after inoculations under greenhouse conditions, the studied isolates caused internal vascular discoloration and tip rot of sugar beet roots, with disease incidences ranging from 37.5% to 100.0% and a disease index between 30.3% and 70.5%. Isolates belonging to F. solani were the most aggressive. Moreover, the majority of isolates significantly reduced plant growth. To our knowledge, this research article is the first report of Fusarium species inducing RTR in sugar beet in Morocco.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Characterization and pathogenicity of Fusarium species causing sugar beet root rot in Morocco

Farhaoui

Alami

Gachara

et al. 2023

Journal of Phytopathology

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“…Fusarium andiyazi was first reported in sorghum ( Sorghum bicolor L.) in Africa and the United States [ 19 ] and was considered one of the most virulent species causing rot and stalk rot on sorghum seedlings [ 20 , 21 , 22 ]. Up to date, F. andiyazi has been reported to cause disease on many plants worldwide, such as pokkah boeng on sugarcane [ 23 , 24 , 25 ], ear and root rot in maize [ 26 , 27 ], vascular wilts in oriental melons [ 28 ], wilting disease in tomatoes [ 29 ], Bakanae on rice [ 16 , 18 , 30 , 31 ] and seedling wilt and root rot on sugar beets [ 32 ]. However, there are no reports of F. andiyazi causing disease in Z. latifolia .…”

Section: Discussionmentioning

confidence: 99%

Identification and First Report of Fusarium andiyazi Causing Sheath Rot of Zizania latifolia in China

Zhu

et al. 2021

Plants

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Zizania latifolia is a perennial plant native to East Asia. The swollen culm of Z. latifolia is a popular vegetable and traditional herbal medicine consumed in China and some other Asian countries. From 2019 to 2021, a sheath rot disease was found in Zhejiang Province of China. Symptoms mainly occurred in the leaf sheath showing as brown necrotic lesions surrounded by yellow halos. The pathogen fungal isolates were isolated from the affected sheaths. Ten representative isolates were selected for morphological and molecular identification by phylogenetic analyses of the translation elongation factor 1-α (TEF1) and the RNA polymerase II subunit beta (RPB2) gene regions. Based on the combined datasets, the fungal isolates were identified as Fusarium andiyazi. Koch’s postulates were confirmed by pathogenicity test, re-isolation and re-identification of the fungal isolates. To the best of our knowledge, this is the first report of sheath rot caused by F. andiyazi in Z. latifolia in China.

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Fungal Root Rots of Sugar Beets: A Review of Common Causal Agents and Management Strategies

et al. 2023

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Morphological, phylogenetic, and pathogenic analyses of Fusarium andiyazi associated with sugar beet root diseases

Cited by 3 publications

References 45 publications

Characterization and pathogenicity of Fusarium species causing sugar beet root rot in Morocco

Characterization and pathogenicity of Fusarium species causing sugar beet root rot in Morocco

Identification and First Report of Fusarium andiyazi Causing Sheath Rot of Zizania latifolia in China

Fungal Root Rots of Sugar Beets: A Review of Common Causal Agents and Management Strategies

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