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Banana Fruit-spot (‘Speckle’) caused by Deightoniella torulosa (Syd.) Ell.



Deightoniella torulosa (Syd.) Ell. (syn. Brachysporium torulosum Syd.; Cercospora musarum Ashby ; Helminthosporium torulosum (Syd.) Ashby) has been recorded on banana leaves and fruits in most major growing regions (Commonwealth Mycological Institute, Kew, Surrey, Distribution Map No. 175). The majority of earlier references to this fungus have concerned a leaf disease known as ‘black-spot’1–3 and a blackening of the tips of banana fruits4,5.

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  1. 1

    Ashby, S. F., Bull. Dep. Agric., Jamaica, 2, 95 (1913).

  2. 2

    Wardlaw, C. W., Trop. Agric. (Trin.), 11, 13 (1934).

  3. 3

    Stahel, G., Trop. Agric. (Trin.), 11, 138 (1934).

  4. 4

    Ogilvie, L., Phytopath., 18, 531 (1928).

  5. 5

    Wardlaw, C. W., Trop. Agric. (Trin.), 9, 3 (1932).

  6. 6

    Johnston, J. R., Res. Dep. United Fruit Co., Boston, Mass., Bull. No. 43 (1932).

  7. 7

    Johnston, J. R., and Slocum, A. H., Res. Dep. United Fruit Co., Boston, Mass., Bull No. 41 (1932).

  8. 8

    Wardlaw, C. W., Trop. Agric. (Trin.), 11, 8 (1934).

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