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420 Móricz, Á., Otta, K. H., Ott, P. G., Tyihák, E. (2004) New horizon in the characterization of the action of mycotoxins separated by TLC or OPLC. In: Sz. Nyiredy (ed.) Proc. Intern. Symp. on Planar

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Berardo, N., Pisacane, V., Battilani, P., Scandolara, A., Pietri, A., Marocco, A. 2005. Rapid detection of kernel rots and mycotoxins in maize by near-infrared reflectance spectroscopy. J. Agricul. and Food Chem

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Forage plants may become contaminated by mycotoxins already on the cropland as a result of mould infection, the degree of which can be diminished by the use of appropriate agrotechnical methods or resistant plant cultivars. During storage, the main goal is to prevent further mould infection and mycotoxin contamination. In that period, the moisture content of feedstuffs and the mould contamination of storage spaces, which can be minimised by the use of fungicidal products, are the most critical factors. Feed manufacturing processes do not substantially decrease the mycotoxin content of feedstuffs, and the efficiency of the recommended chemical and/or heat treatment procedures is also questionable as they are expensive and may reduce the nutrient content. To minimise the adverse effects of mycotoxins on animals, the use of products capable of binding and biologically transforming mycotoxins is also recommended; however, such products have varying efficacy.

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Fusarium head blight (FHB) of cereals is one of the most important pre-harvest diseases worldwide. One possible method to reduce the intensity of FHB and mycotoxin levels is to apply fungicides to wheat at the flowering stage. This paper reports the efficacy of fungicides to control FHB and reduce the associated mycotoxin biosynthesis. In a two-year experiment eight combinations of fungicides were tested. Ear inoculation with a suspension of conidia of Fusarium culmorum representing the DON chemotype, confirmed by PCR assay, was conducted during anthesis. All fungicides significantly reduced FHB severity. The best control and the highest wheat yield were obtained after the application of spiroxamine + prothioconazole at GS 29-32, combined with prothioconazole + fluoxastrobin at GS 49-55 (yield 166.5% of the control) or tebuconazole and prothioconazole (165.8%). All the other protection programs resulted in higher yields (117.1–138.5% of the control). A clear relation was observed between the disease intensity and mycotoxin concentrations.

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Cereal Research Communications
Authors:
K. Gromadzka
,
M. Wit
,
K. Górna
,
J. Chełkowski
,
A. Waśkiewicz
,
P. Ochodzki
, and
R. Warzecha

. Bezuidenhout , S.C. , Gelderblom , W.C.A. , Gorst-Allman , C.P. , Horak , R.M. , Marasas , W.F.O. , Spiteller , G. , Vleggaar , R. 1988 . Structure elucidation of the fumonisins, mycotoxins from Fusarium moniliforme . J. Chem. Soc

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Champeil, A., Fourbet, J.F., Doré, T., Rossignol, L. 2004. Influence of cropping system on Fusarium head blight and mycotoxin levels in winter wheat. Crop Protection 23 :531–537. Rossignol L

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Gavrilova, O., Gagkaeva, T., Burkin, A., Kononenko, G., Loskutov, I. 2008. Susceptibility of aot germplasm to Fusarium infection and mycotoxin accumulation in grains. Abstract V-*, Eighth International Oat Conference Minneapolis June 28–July 2. 2008

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graminearum species complex. Eur. J. Plant Pathol. (in press) Tóth, B., Mesterházy, Á., Nicholson, P., Téren J., Varga, J. 2004. Mycotoxin production and molecular variability of European and American Fusarium

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Cereal Research Communications
Authors:
P. Matušinsky
,
M. Váňová
,
L. Tvarůžek
,
I. Polišenská
,
M. Janeček
, and
V. Smutný

. Champeil , A. , Doré , T. , Fourbet , J.F. 2004 a: Fusarium head blight: epidemiological origin of the effects of cultural practices on head blight attack and the production of mycotoxins by Fusarium in wheat grains . Plant Sci. 166

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Alma, A., Lessio, F., Reyneri, A., Blandino, M. 2005. Relationships between Ostrinia nubilalis Hübner (Lepidoptera Crambidae), crop technique and mycotoxin contamination of corn kernel in Northwestern Italy

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