This Link does not exist in your language, View in: English (en),
Or use Google Translate:  
বাংলা (bn) | Change Language (Change Language)

plantix.net/en/library/plant-...and-black-sigatoka

The symptoms of Yellow and  Black Sigatoka are caused by the fungi Mycosphaerrala sp. and occur throughout the world.  It is one of the most destructive diseases of banana.

-- Plantix.net