Diplodia macrospora. [Descriptions of Fungi and Bacteria].
Abstract A description is provided for Diplodia macrospora[Stenocarpella macrospora]. Information is included on the disease caused by the organism, its transmission, geographical distribution, and hosts. HOSTS: On Zea mays. DISEASE: Dry rot of ears and stalks of maize. Badly diseased ears become shrivelled with the husks glued to the kernels by a white mould. Frequently associated with leaf lesions which are oval or irregular, elongate, single or confluent, pale cream brown with an indeterminate darker border, 1-10 cm long. Pycnidia are amphigenous when foliicolous. GEOGRAPHICAL DISTRIBUTION: Africa (Dahomey, Ghana, Guinea, Ivory Coast, Malawi, Nigeria, Rhodesia, Sierra Leone, Tanzania, Togoland, Zambia); Asia (North Borneo, Philippines); Australasia (New South Wales, Queensland); Europe (Rumania); North America (United States); Central America and Caribbean (Jamaica), South America (? Argentina, Brazil). (CMI Map 227, ed. 2, 1958) TRANSMISSION: Seed and soil borne (Noble et al., An annotated list of seed-borne diseases, p. 76, 1958).