Survey of postharvest fungi associated with sorghum grains produced in Karnataka (India)

• Autorzy: Sreenivasa M.Y. , Dass R. S. , Janardhana G. R.

Warianty tytułu

PL

Przegląd grzybów występujących pozbiorowo na nasionach sarga w Karnataka (Indie)

• Języki publikacji: EN

Abstrakty

EN

Sorghum is an important cereal produced as staple diet in Karnataka state of India and is prone to fungal infection during pre- and postharvest period. This paper reports the frequency and relative percentage of fungi associated with sorghum grain harvested in Karnataka State in 2004 and 2005. A total of 44 sorghum samples were analyzed for postharvest fungi by direct plating method on PDA and MGA 2.5agar medium. The genera Fusarium and Aspergillus were the mostfrequently isolated on sorghum grain. The other genera included Alternaria, Phoma, Curvularia, Penicillium andDrechslera. The data revealed a high frequency of Fusarium species(93.2%) and Aspergillus species (88.6%) with a relative percentage of23.3 and 19.6% among the 19 fungal genera recorded, respectively. The predominant fungal species recorded at high frequency were F.verticillioides (88.6%), A. flavus (72.7%), F. anthophilum (65.0%),A. niger (59.1%). These data indicate possible health hazards for humans and animals upon consumption of such contaminated food grain by toxigenic moulds.

PL

Sorgo jest składnikiem diety w indyjskim stanie Karnataka. W okresie przed- i pozbiorowym sorgo jest podatne na zakażenia wywoływane przez grzyby. W pracy badano częstotliwość oraz względny procent występowania grzybów atakujących ziarno sorgo, zbierane w stanie Karnataka, w latach 2004 i 2005. W celu stwierdzenia występowania grzybów po zbiorze, analizowano próby sorgo wykorzystując metodę bezpośredniego wykładania ziarna na pożywkę zawierającą 2,5% agaru. Najczęściej z ziarna sorgo izolowano grzyby rodzajów Fusarium i Aspergillus. Innymi występującymi rodzajami były: Alternaria, Phoma, Culvularia, Penicillium i Drechslera. Uzyskane dane ujawniły wysoką częstotliwość występowania gatunków Fusarium (93,2%) i Aspergillus (88,6%) stanowiących, odpowiednio, względny procent 23,3 i 19,6 wśród 19 rodzajów. Przeważającymi gatunkami, które bardzo często wykrywano były: F. verticillioides (88,6%), A. flavus (72,7%), F. antrophilum (65,0%), A. niger (59,1%). Dane te wskazują, że ziarno sorgo zarażone grzybami wytwarzającymi toksyny, może szkodzić ludziom i zwierzętom.

• Wydawca: -
• Czasopismo: Journal of Plant Protection Research
• Rocznik: 2010
• Tom: 50
• Numer: 3
• Opis fizyczny: p.335-339,fig.,ref.

Twórcy

autor

Sreenivasa M.Y.

• Departmentof Studies in Microbiology, University of Mysore, Manasagangotri, Mysore 70006, Karnataka, India

autor

Dass R. S.

autor

Janardhana G. R.

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