Black spot of Banana

Black spot of Banana

    Causal organism: Phyllosticta musarum

    Symptoms
    • Minute black spots appear on leaves and fruits
    • The spots are brown to dark brown initially
    • Spots are abundant on the upper surface which are raised
    • Leaf turns yellow in colour in advance stage of infection
    • On fruits the pathogen is confined to the skin.

    Spread
    • PSI- The fungus produces pycnidium and pycnidiospores
    • SSI- Spores are disseminated by wind

    Management

    • Spraying Copper oxychloride( 0.25%) or Bordeaux mixture (1%) on the plants

Last modified: Wednesday, 18 January 2012, 9:10 AM