Application of ozone for reduction of mycological infection in wheat grain

• Autorzy: Raila A. , Lugauskas A. , Steponavicius D. , Railiene M. , Stepanoviciene A. , Zvicevicius E.
• Języki publikacji: EN

Abstrakty

EN

In 2004-2005 means were sought to clean grain from microbiological contamination during transportation and storage. For this purpose, grains with a moisture content of 23.2% of the “Tauras” variety were selected and ventilated daily for 8 hours until grain wetness was reduced to 14.0%. The effect of ventilation duration and ozone impact was evaluated according to the changes in grain contamination with micromycetes propagules (cfu•g-1), and alternation of micromycetes species on the grain surface. At drying grains by active ventilation with an ozone – air mixture, at O3 concentration of 700 ppb, the drying period was reduced by about 20%, and mycological contamination depends on initial grain moisture content (w): when w=15.2%, contamination was reduced by up to 2.2 times, and when w=22.0% – up to 3 times. At the same time, the composition of micromycetes species on the grain surface changed significantly: in non-ventilated grain there were detected micromycetes of 26 species, and in ventilated grain – of 11 species. Efficient ozone impact was established only when the mound of wet (w > 18.0%) grains was exposed to ozone.

Słowa kluczowe

EN

ozone; ventilation; application; grain; wheat grain; mycological infection; moisture content; micromycete; reduction

• Wydawca: -
• Czasopismo: Annals of Agricultural and Environmental Medicine
• Rocznik: 2006
• Tom: 13
• Numer: 2
• Opis fizyczny: p.287-294,fig.,ref.

Twórcy

autor

Raila A.

• Lithuanian University of Agriculture, Studentu 15A, LT-53362 Kaunas, Lithuania

autor

Lugauskas A.

autor

Steponavicius D.

autor

Railiene M.

autor

Stepanoviciene A.

autor

Zvicevicius E.

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