Brown spot: Pestalotia mangiferae
Symptoms:
- The affected area of fruits becomes olivaceous-black and shrinks.
- Black dots appear at the centre of the spots represent the acervuli.
- On matured green fruits, small brown spots appear with greyish white centre which later turn to bigger lesions with large number of acervuli seen as black dots.
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 |
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| Brown spot on leaves |
Black spots on twigs |
Black spots on fruits |
Epidemiology:
- Temp. between 20 and 250 C.
- Mycelial growth with sporulation takes place at pH 5.5 to 6.0.
- Wounding leads to more disease incidence.
Image Source: http://www.ivorychem.com/papers/MangoBrownSpotsManagementPaper.pdf |
