Black sigatoka disease
streaks on leaves of about one month old. The symptoms run parallel to the veins. Within a few days, the spots become a few centimetres in size and turn brown [...] further and the tissue around the lesions turns yellow and dies. Lesions merge and the whole leaf turns brown and ultimately dies. In cases of severe infection [...] die within a few weeks. Because of the lack of leaf tissues, fruit maturity is hampered. Life cycle and appearance of Black sigatoka disease Black sigatoka