Abstract

Gloeosporium musarum was isolated from ripe-fruit rot of banana for the first time in Egypt. Fungal growth and sporulation are described on plain, malt, Czapek-Dox and potato-dextrose agars. The fungus produced black sclerotia in culture as a result of glass-contact stimulus. Appressorium-like cells were formed in terminal and intercalary positions from sclerotial hyphae. Development of the disease on mature wounded and unwounded banana fruits of the variety Musa cavendishii is described. In wound-inoculated fruit aggregated hyphae advanced intercellularly in zigzag lines from the site of inoculation towards the inside of the fruit. From these lines, inter- as well as intracellular invasion developed.

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