Cordana musae. [Descriptions of Fungi and Bacteria].
Abstract A description is provided for Cordana musae. Information is included on the disease caused by the organism, its transmission, geographical distribution, and hosts. HOSTS: Musa sapientum. DISEASE: Leaf blotch or spot of banana (Musa). Small brown spots enlarge to an oval or sometimes a diamond shape, a darker red-brown margin and zonation becomes quite marked with age. A chlorotic halo is conspicuous, especially on the lower surface. Necrotic tissue may occur as strips from edge to midrib, and a marginal necrosis with an uneven, zigzag, chlorotic edge separating healthy from diseased tissue may develop. GEOGRAPHIC DISTRIBUTION: Widespread in the tropics with host (CMI Map 168, ed. 3, 1971). Additional records not mapped are: Cape Verde Islands, Cuba, US Trust Territory. TRANSMISSION: Air-dispersed; a diurnal periodicity with a peak near 0700 hr was found in Jamaica (42: 37) and spore discharge has been described in detail (41: 666).