First Report of <i>Fusarium redolens</i> Causing Crown Rot of Wheat (<i>Triticum</i> spp.) in Turkey

Gebremariam, E. Shikur; Karakaya, Aziz; Erginbaş-Orakci, Gül; Dababat, Abdelfattah A.; Sharma‐Poudyal, Dipak; Paulitz, T. C.

doi:10.1094/pdis-01-15-0128-pdn

Cited by 5 publications

(4 citation statements)

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“…As species of the genus Fusarium were isolated from asymptomatic weeds, they could, most probably, be regarded as endophytes; however, more research is needed to identify the extent and nature of the symptomless associations between fungal and weed species. The combination of results from previous studies (Jenkinson & Parry, ; Jasenka, ; Pereyra & Dill‐Macky, ; Ilic et al ., ; Gebremariam et al ., ) with our recently published data on F. graminearum (Suproniene et al ., ), which established Fusarium species from weeds as important pathogens of wheat, and these results that demonstrated a high prevalence of pathogenic Fusarium spp. within the organs and tissues of weeds indicate that weeds play an important role as possible inoculum sources for disease initiation in cereal crops.…”

Section: Discussionsupporting

confidence: 71%

“…In addition, our study confirms previous studies of 29 other weed species as alternative hosts of Fusarium spp. (Helbig & Carroll, ; Jenkinson & Parry, ; Caesar, ; Jasenka, ; Inch & Gilbert, ; Leslie et al ., ; Pereyra & Dill‐Macky, ; Ilic et al ., ; Postic et al ., ; Gebremariam et al ., ; Stefańczyk et al ., ). We found these 29 weed species serve as hosts to previously unreported Fusarium species, with 251 weed– Fusarium combinations that were, to our knowledge, previously undescribed.…”

Section: Discussionmentioning

confidence: 99%

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Asymptomatic weeds are frequently colonised by pathogenic species of Fusarium in cereal‐based crop rotations

et al. 2019

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Summary Several Fusarium species cause harmful cereal diseases, such as fusarium head blight and crown rot, which, during pathogenesis, may result in significant grain yield and quality losses. Several species of agricultural weed are believed to be alternative and reservoir hosts for Fusarium spp.; however, studies have not comprehensively evaluated those weed species in cropping systems that may harbour these fungi. The objective of this study was to determine weed species in cereal‐based crop rotations that are asymptomatically colonised by Fusarium spp. We sampled all species of weed present in fields that were managed under six different crop sequences in 2015 and 2016. The study yielded 2326 single‐spore isolates of Fusarium spp. derived from various organs of asymptomatic weeds. Isolates were identified morphologically and then confirmed using PCR with species‐specific primers and/or sequencing of tef1α gene fragments. Isolates of nine Fusarium spp. were obtained from 689 of the 744 individuals collected that represented 56 weed species. Each weed species harboured at least one species of Fusarium, and >80% were colonised by 3–9 Fusarium spp. In total, we identified 27 dicotyledonous weed species that were previously undocumented as Fusarium hosts and 251 new weed × Fusarium species combinations were revealed. Consequently, there is a greater risk of negative Fusarium impacts on cereal crops than was previously thought. We suggest effective weed management and inversion soil tillage may help mitigate these impacts.

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Section: Discussionsupporting

confidence: 71%

Section: Discussionmentioning

confidence: 99%

Asymptomatic weeds are frequently colonised by pathogenic species of Fusarium in cereal‐based crop rotations

et al. 2019

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“…For example, while AG 2-1 was consistently isolated from wheat roots in Canada, the isolates of this AG did not typically cause disease on wheat [ 78 ]. Fusarium redolens , on the other hand, has only been identified as a wheat pathogen in Canada [ 79 ], Turkey [ 80 ], and Kazakhstan [ 34 ].…”

Section: Discussionmentioning

confidence: 99%

Fungal Pathogens Associated with Crown and Root Rot of Wheat in Central, Eastern, and Southeastern Kazakhstan

Bozoğlu

İmren

Amer

et al. 2022

JoF

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Kazakhstan is the fourteenth largest wheat producer in the world. Despite this fact, there has not been a comprehensive survey of wheat root and crown rot. A quantitative survey was conducted for the purpose of establishing the distribution of fungi associated with root and crown rot on wheat (Triticum spp.). During the 2019 growing season, samples were taken from the affected plants’ roots and stem bases. A total of 1221 fungal isolates were acquired from 65 sites across the central (Karagandy region), eastern (East Kazakhstan region), and southeastern (Almaty region) parts of the country and identified using morphological and molecular tools. The internal transcribed spacer (ITS), translation elongation factor 1-alpha (EF1-α), and glyceraldehyde-3-phosphate dehydrogenase (GAPDH) sequences were successfully used to identify the species of fungal isolates. It was found that Bipolaris sorokiniana (44.80%) and Fusarium acuminatum (20.39%) were the most predominant fungal species isolated, which were present in 86.15 and 66.15% of the fields surveyed, respectively, followed by F. equiseti (10.16%), Curvularia spicifera (7.62%), F. culmorum (4.75%), F. oxysporum (4.10%), F. redolens (2.38%), Rhizoctonia solani AG2-1 (1.06%), Nigrospora oryzae (0.98%), C. inaequalis (0.90%), F. pseudograminearum (0.74%), F. flocciferum (0.74%), Macrophomina phaseolina (0.66%), F. cf. incarnatum (0.33%), Fusarium sp. (0.25%), and F. torulosum (0.16%). A total of 74 isolates representing 16 species were tested via inoculation tests on the susceptible Triticum aestivum cv. Seri 82 and the results revealed that F. culmorum and F. pseudograminearum, B. sorokiniana, Fusarium sp., R. solani, F. redolens, C. spicifera, C. inaequalis, and N. oryzae were virulent, whereas others were non-pathogenic. The findings of this investigation demonstrate the presence of a diverse spectrum of pathogenic fungal species relevant to wheat crown and root rot in Kazakhstan. To the best of our knowledge, this is the first report of F. pseudograminearum, Fusarium sp., C. spicifera, and C. inaequalis as pathogens on wheat in Kazakhstan.

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“…They have been reported from West Asia, North Africa (Egypt, Tunisia, Morocco), USA, Canada, Australia and Türkiye (Smiley et al, 2005;Tunali et al, 2008;Chakraborty et al, 2010). Fusarium culmorum has been reported as the prevalent species causing foot rot in Türkiye (Aktaş et al, 1996;Nicol et al, 2004b;Hekimhan et al, 2004;Bentley, 2006;Tunali et al, 2008;Akgul, 2008;Hekimhan, 2010;Gebremariam et al, 2018). Diseased plants are characterized by colonization of wheat stems, crown and root tissues leading to a honey-brown discoloration of the leaf sheaths and lower stem, and necrosis of the crown region (Cook, 1981;Cook and Veseth, 1991;Klein, 1991).…”

Section: Introductionmentioning

confidence: 99%

Identification of Genetic Resistance to the Crown and Root Rot Caused by Fusarium culmorum and Cereal Cyst Nematode (Heterodera filipjevi) in the Turkish Cereal Varieties

ERGİNBAŞ>

KILINÇ

Laasli

et al. 2022

Uluslararası Tarım Ve Yaban Hayatı Bilimleri Dergisi

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Soilborne pathogens associated with cereals cause significant yield losses throughout the world. Among soilborne pathogens Heterodera filipjevi and Fusarium culmorum are two main destructive causal agents that attack the roots and crowns of cereals and have been reported as the most prevalent species in Türkiye. A total of 245 Turkish cereal varieties consisting of wheat, oat, triticale and rye which were registered between 1931 to 2013; were tested for their resistance to Fusarium culmorum and Heterodera filipjevi. The varieties were screened under controlled and/or field conditions for two successive growing seasons. The bread wheat ‘Murat-1’ was the most resistant variety for both pathogens. The durum wheats ‘Yelken 2000’ and ‘Yılmaz 98’ were found the most promising varieties for resistance to F. culmorum and H. filipjevi, respectively. The triticale ‘Umranhanim’ ranked moderately resistant at adult plant stage while ‘Presto’ and ‘Melez 2001’ were ranked moderately resistant at seedling stage for Fusarium culmorum. The findings of this study are important for the global wheat breeding programs as those genotypes are still being used in crosses for new genotype development.

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First Report of Fusarium redolens Causing Crown Rot of Wheat (Triticum spp.) in Turkey

Cited by 5 publications

References 5 publications

Asymptomatic weeds are frequently colonised by pathogenic species of Fusarium in cereal‐based crop rotations

Asymptomatic weeds are frequently colonised by pathogenic species of Fusarium in cereal‐based crop rotations

Fungal Pathogens Associated with Crown and Root Rot of Wheat in Central, Eastern, and Southeastern Kazakhstan

Identification of Genetic Resistance to the Crown and Root Rot Caused by Fusarium culmorum and Cereal Cyst Nematode (Heterodera filipjevi) in the Turkish Cereal Varieties

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