Weed species within cereal crop rotations can serve as alternative hosts for Fusarium graminearum causing Fusarium head blight of wheat

Supronienė, Skaidrė; Kadžienė, Gražina; Irzykowski, Witold; Šneideris, Donatas; Ivanauskas, Algirdas; Sakalauskas, Simonas; Serbiak, Pawel; Svegzda, Povilas; Auškalnienė, O.; Jędryczka, M.

doi:10.1016/j.funeco.2018.10.002

Cited by 34 publications

(37 citation statements)

References 34 publications

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“…Moreover, some weed species have been identified as alternative hosts of FGSC, and their potential significance in the development of FHB epidemics has been demonstrated (Inch and Gilbert, ; Pereyra and Dill‐Macky, ; Landschoot et al , ; Postic et al , ; Mourelos et al , ; Lofgren et al , ; Suproniene et al , ). The FGSC isolates from weeds were also pathogenic on wheat under artificial infection conditions (Pereyra and Dill‐Macky, ; Lofgren et al , ; Suproniene et al , ). Although the presence of FGSC in weeds has been demonstrated, the role of FGSC inoculum in weed species in influencing FHB in rice remains largely unknown.…”

Section: Introductionmentioning

confidence: 99%

“…Fusarium head blight epidemics and the contamination of cereal grains with mycotoxins depend not only on climate conditions during anthesis but also on many agronomic factors, such as fungicide applications, variety resistance, crop rotation, crop residues, and weed management (Koch et al , ; Mourelos et al , ; Suproniene et al , ). Thus, integrated strategies for the control of FHB are mandatory to reduce FHB epidemics and FGSC populations.…”

Section: Introductionmentioning

confidence: 99%

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Gramineous weeds near paddy fields are alternative hosts for the Fusarium graminearum species complex that causes fusarium head blight in rice

Dong

Zhang

et al. 2020

Plant Pathology

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The objective of this study was to evaluate the potential role of gramineous weeds present near paddy fields as alternative hosts for the Fusarium graminearum species complex (FGSC) that causes fusarium head blight (FHB) in rice. A total of 142 weed samples were collected from 10 gramineous weed species near paddy fields from August to October 2018 in Jiangsu Province, China. Of the 145 isolates of seven Fusarium species isolated from the weed samples, F. asiaticum was the most abundant (86.9%), followed by F. fujikuroi (5.5%), F. proliferatum (2.8%), F. graminearum (2.1%), F. tricinctum (1.4%), F. acuminatum (0.7%), and F. sporotrichioides (0.7%). Genotype and mycotoxin analyses confirmed that 72.2% of F. asiaticum isolates were producers of deoxynivalenol (DON) with 3‐acetyl deoxynivalenol (3ADON), and the remainder were nivalenol (NIV) producers. Pathogenicity assays showed that both 3ADON and NIV chemotypes of F. asiaticum could cause FHB in rice, but NIV chemotypes were significantly (p < .05) more aggressive than 3ADON chemotypes. Three Fusarium mycotoxins, DON, NIV, and zearalenone, occurred naturally at low concentrations in the weed samples. Taken together, this study provides insight into the mycotoxin production and aggressiveness of F. asiaticum isolates from gramineous weeds in China.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Gramineous weeds near paddy fields are alternative hosts for the Fusarium graminearum species complex that causes fusarium head blight in rice

Dong

Zhang

et al. 2020

Plant Pathology

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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: Discussionmentioning

confidence: 65%

“…Primers (Table ) used in this study for amplification of fragments of the tef1α gene region and its sequencing were designed at IPG PAS, Poznan (Suproniene et al ., ), by comparing genomic sequences from a number of Fusarium species available in the National Center for Biotechnology Information (NCBI) database to identify conserved regions of the tef1α gene. Each 12 μL reaction mixture contained 1 μl of genomic DNA, 0.2 m m DNTs, 1× PCR buffer, 3 m m MgCl 2 1 μ m wirzTEF‐F1 and wirzTEF‐R3 primer, 0.5 U of DreamTaq™ (Thermo Fisher Scientific).…”

Section: Methodsmentioning

confidence: 99%

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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“…Weeds cause considerable economic costs to agriculture and natural resources in terms of crop loss, loss of land utility, health-related problems and the costs of control (Hamill et al, 2004). Besides these direct implications, weeds can also serve as alternate hosts to insect pests and pathogens, often resulting in additional operating costs and increased risk of diseases (Suproniene et al, 2019).…”

Section: Introductionmentioning

confidence: 99%

Development of herbicides resistance in Apera spica-venti in Lithuania

Auškalnienė

Kadžienė

Stefanovičienė

et al. 2020

Zemdirbyste-Agriculture

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For decades, farmers have been increasingly reliant on herbicides for effective weed management. Repetitive longterm application of herbicides with the same mode of action has resulted in the evolution of herbicide resistance woldwide. The crops most affected by weed resistance in Europe are winter cereals, and one of the worst weeds is silky bent grass (Apera spica-venti (L.) P. Beauv.). Seeds of A. spica-venti were collected from across Lithuania from the farmer's fields, where this weed was not controlled despite herbicide application. A total of 159 populations of A. spica-venti were tested in greenhause studies over the period of 2016-2018. In the experiments, the resistance of A. spica-venti to the following herbicides was assessed: methyliodosulphuron natrium, sulphosulphuron and pyroxsulam (aceto-lactate synthase (ALS) inhibitors), fenoxaprop-P-ethyl and pinoxaden (acetyl-coenzyme A carboxylase (ACCase) inhibitors) and isoproturon (photosystem II (PSII) inhibitor). It was found that of the 159 seed samples tested, 43% showed little response to ALS inhibitors, sulphosulphuron, methyliodosulphuron and pyroxulam. Most of the tested populations were resistant to sulphosulphuron, while the fewest populations were resistant to pyroxulam, but all populations resistant to pyroxulam were resistant to both other ALS inhibitors, methyliodosulphuron natrium and sulphosulphuron. Growing resistance of A. spica-venti to ALS inhibitors will greatly restrict the choice of herbicides currently available for weed control in spring; therefore, autumn herbicide application in winter cereals in the future can become very important, especially in the fields, where A. spica-venti is highly distributed.

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Weed species within cereal crop rotations can serve as alternative hosts for Fusarium graminearum causing Fusarium head blight of wheat

Cited by 34 publications

References 34 publications

Gramineous weeds near paddy fields are alternative hosts for the Fusarium graminearum species complex that causes fusarium head blight in rice

Gramineous weeds near paddy fields are alternative hosts for the Fusarium graminearum species complex that causes fusarium head blight in rice

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

Development of herbicides resistance in Apera spica-venti in Lithuania

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