Leaf spot

Leaf spot

    Causal organism: Phaeopleospora indica , Pestalotiopsis versicolor
    SYMPTOMS
    • Phaeopleospora indica: Initially circular spots pinkish in colour appear which gradually turn brownish in colour. Centre of the spot is whitish grey coloured and number of spots are more on leaves.
    • Pestalotiopsis versicolor: In this case spots , circular and brownish and bigger in size. Later one can see the black dots on centre of the spot. These black dots are the asexual fruiting bodies of the fungus (Acervulus).
    • In advanced stage of the disease defoliation is common.
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    Management

    • Carbendazim 0.1% and Companion (Combi product) includes carbendazim and mancozeb 12% and 72% to avoid resistant development in pathogen,

Last modified: Saturday, 21 January 2012, 7:14 AM