Abstract
Abstract A description is provided for Tilletia barclayana . Information is included on the disease caused by the organism, its transmission, geographical distribution, and hosts. HOSTS: On Oryza sativa (rice) and species of Brachiaria, Digitaria, Eriochloa, Panicunr and Pennisetum . DISEASE: Rice smut (black smut, kernel smut, bunt of rice). A disease of variable incidence but at times responsible for economically important losses. GEOGRAPHICAL DISTRIBUTION: Africa (Sierra Leone), Asia (widespread in India and the Far East), N. (Mexico), C. (Trinidad) and S. (British Guiana, Venezuela, British Honduras) America, Pacific (Fiji, Norfolk lsl.); see CMI Map 75, 1945 (as N. horrida ). TRANSMISSION: Infection occurs via the opening flowers and the disease is seed borne (Noble et al., An annotated list of seed-borne diseases , 1958, p. 54). It can survive for several years in soil or seed (40: 465).
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