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Trichothecene mycotoxins in kernels and head fusariosis susceptibility in winter triticale

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Abstract

A single isolates ofFusarium graminearum Schwabe KF 366 andFusarium culmorum (W.G.Sm.) Sacc. KF 365 were used to infect 10 genotypes (9 lines and one cultivar) of winter triticale, 1 rye cultivar and 1 wheat cultivar, and amounts of mycotoxins in kernels were analysed at the same stage of development. One genotype of triticale CHD 353/79 and rye “Chodan” were found to be most resistant towards both species infection with lowest amount of mycotoxins (deoxynivalenol) content in kernels and also the lowest yield reduction. The most susceptible line CZR 142 cumulated in kernels about ten times higher amount of mycotoxins (up 53 mg DON/kg and 16 mg 3AcDON/kg, and 5 mg zearalenone/kg). GenerallyF, culmorum formed higher level of mycotoxins in kernels of infected heads thanF. graminearum. In kernels of more susceptible genotypes except deoxynivalenol, 3 acetyldeoxynivalenol and zearalenone also were present.

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Kiecana, I., Perkowski, J., Chełkowski, J. et al. Trichothecene mycotoxins in kernels and head fusariosis susceptibility in winter triticale. Mycotox Res 3, 53–56 (1987). https://doi.org/10.1007/BF03192028

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Keywords

  • Graminearum
  • Fusarium Head Blight
  • Trichothecene
  • Zearalenone
  • Deoxynivalenol