• Volume 24, Issue 4

      October 1946,   pages  85-205

    • A systematic account of the marine plankton diatoms of the Madras coast

      R Subrahmanyan

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    • On decay of certain fruits in storage

      S Sinha

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      Seven types of fruits, namely mangoes, apples, peaches, pears, oranges pomegranates and grapes have been studied for fungal decay in storage and its relation to shop (local storage places) atmosphere and, in the case of mangoes orchard atmosphere has been elucidated. Mango has received particular attention as it is the staple fruit of the United Provinces.

      A number of fungi have been obtained from the tissues of diseased fruits. These areAspergillus nigei, Aspergillus nidulans, Aspergillus variecolour, Aspergillus fumigatus, Aspergillus Candidus, Acrothecium penniseti,Alternaria sp.,Colletotrichum capsci, Colletotrichum sp.,Penicillium atramentosum, andRhizopus arrhizus.

      A few fungi have also been isolated as ‘latent infections’ from apparently healthy fruits. Mangoes have yieldedAspergillus nidulans andColletotrichum capsci, applesColletotrichum sp., orangesPenicillium fellutanum andAspergillus fumigatus, and grapesRhizopus arrhizus.

      There is a definite correlation between the fungi obtained from the fruits and those isolated from the atmosphere of storage places and the surface of diseased fruits. In the case of mangoes a similar correspondence is seen with the fungi from the atmosphere of mango orchards.

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