Effect of temperature on head blight of wheat caused by <i>Fusarium culmorum</i> and <i>F. graminearum</i>

Brennan, J. M.; Egan, Damian; Cooke, B. M.; Doohan, Fiona M.

doi:10.1111/j.1365-3059.2005.01157.x

Cited by 94 publications

(90 citation statements)

References 28 publications

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“…• C (Marin et al, 1995;Brennan et al, 2005). Consequently, the number of days with an average moisture of >90% was considered over the 6 months covering the trials (beginning of May until the end of October) as well as the number of days with rain showers of >5 mm (spore release).…”

Section: Resultsmentioning

confidence: 99%

Lower mycotoxin levels in Bt maize grain

Folcher

Délos²,

Marengue³

et al. 2010

Agron. Sustain. Dev.

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-Mycotoxins produced by Fusarium spp. during plant cultivation induce severe diseases in animal and humans. In 2007 a European Union regulation set maximum concentrations of mycotoxins in maize and derivatives of 4000 ppb for fumonisins B 1 and B 2 , 1750 ppb for deoxynivalenol, and 350 ppb for zearalenone. To assess the safety of French maize food, investigations are currently being carried out by the national Biological Risk Monitoring network. Here, 84 plots were cropped with the Bt maize MON 810 and its isogenic non-Bt counterpart in 2005 and 2006 in Southwestern France. Mycotoxin levels were measured in grain at harvest. Fumonisins B 1 and B 2 , deoxynivalenol, and zearalenone were analysed by liquid chromatography-mass spectrometry. The data were analysed statistically using non-parametric tests for mycotoxins and analysis of variance for weather variables. As the climate was homogenous inside the experimental area, the transgenic event introduced into the maize was the only key parameter which differed between Bt and non-Bt maize plots. Our results show that Bt maize decreased concentrations of fumonisins by 90% and zearalenone by 50%, whereas the concentration of deoxynivalenol was slightly increased. Those findings suggest a competition among Fusarium species that produce fumonisins or trichothecenes. According to the European regulation, 93% of the Bt maize crops can be sold, compared with only 45% for non-Bt maize plots. Our results thus show that Bt maize improved food safety by greatly reducing mycotoxin levels in field crops in Southwestern France.Bt MON810 maize / fumonisins B 1 and B 2 / deoxynivalenol / zearalenone / Regulation 1126/2007

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Section: Resultsmentioning

confidence: 99%

Lower mycotoxin levels in Bt maize grain

Folcher

Délos²,

Marengue³

et al. 2010

Agron. Sustain. Dev.

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“…The association and influences of these climatic factors on FHB have been well documented (Brennan et al 2005). Other factors that may enhance the genotype-by-year interaction are variation in the precision of inoculation timing and inconsistency of the isolates' aggressiveness.…”

Section: Discussionmentioning

confidence: 99%

Response of oat cultivars to Fusarium infection with a view to their suitability for food use

et al. 2010

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Oats as a source of antioxidants and complex polysaccharides are currently an important component in human nutrition. Producing healthy, safe and high-quality grain for this purpose depends upon growing oat cultivars with improved resistance to diseases caused by Fusarium spp. producing mycotoxins. Thirteen cultivars of naked (Ábel, Detvan, Izák and Avenuda) and covered (Zvolen, Auron, Atego, Flämingsstern, Kanton, Viktor, Zlaťák, Euro and Ardo) oats were inoculated with conidial suspensions of F. culmorum isolate in the field at flowering in 2006 and 2007. After harvest, reduction in thousand-kernel weight (R-TKW), reduction in panicle-kernel weight (R-PKW), and deoxynivalenol (DON) content in grain and hulls were determined. The ELISA immunochemical method was employed for the quantitative analyses of DON. Values of yield components (R-TKW; R-PKW) were 35.4% and 31.1% lower in dehulled covered oats than in naked oat cultivars. The DON accumulation was highest in hulls as compared with DON content in kernels of naked and covered oat cultivars. Accumulation of DON in dehulled covered cultivars was 34.4% lower than the average contamination in naked cultivars. When the cultivars were compared, there were positive correlations between R-TKW and R-PKW and also between DON content and R-PKW. With a view to growing oat cultivars for production of cereal foods, it was shown that dehulling of covered oat grain resulted in substantially reduced DON content.

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“…Environmental factors play an important role in pathogenesis (Doohan et al, 2003). When warm and wet weather coincides with flowering and early kernel filling period, fungus can easily infect barley plants and develop FHB (Brennan et al, 2005;Cai, 2008). Fusarium pathogens attack barley spikes after their emergence from the flag leaf sheat in the late-milk to soft dough stages of seed development (Bushnell et al, 2003).…”

Section: Introductionmentioning

confidence: 99%

Occurrence of Fusarium head blight of barley in Slovakia

Bíliková¹,

Hudec²

2014

JCEA

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Fusarium head blight and the negative influence of this dangerous disease is current worldwide problem. The aim of this work was the evaluation of incidence and severity of Fusarium head blight of barley according to different pre-crop in different locations of Slovakia. Occurrence of Fusarium head blight (FHB) was documented during two consecutive years in June 2011-2012 under the natural Fusarium infections in fields with spring barley (Hordeum vulgare). Observations were conducted at four different localities in four climatic regions in Slovakia. Incidence and severity of FHB were evaluated at the growth stages early milk to late milk in three replications. Each replication contained 100 spikes, the incidence of FHB was calculated as FHB index. During the observed period, the infestation of affected heads by FHB ranged from 0 -12.67 %. The average infestation of heads was 5.16 % in 2011 and 5.42 % in 2012 year. Predominance intensity of FHB on infection heads were 5% or less in each locality. Higher FHB infestations were reached at Špačince (2011), Soblahov (2012) with higher precipitation when comparing long-term average. Conversely, the lowest FHB incidence was in locality with lowest precipitation in June (Veľké Úľany -2011(Veľké Úľany - , Špačince -2012. Important influence in the severity of FHB infection had also crop rotation. The highest FHB incidence was observed in localities where was maize use as a precrop (Špačince, 2011(Špačince, -12.67 %, Soblahov, 2012.

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Effect of temperature on head blight of wheat caused by Fusarium culmorum and F. graminearum

Cited by 94 publications

References 28 publications

Lower mycotoxin levels in Bt maize grain

Lower mycotoxin levels in Bt maize grain

Response of oat cultivars to Fusarium infection with a view to their suitability for food use

Occurrence of Fusarium head blight of barley in Slovakia

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