Abstract
Abstract A description is provided for Setosphaeria rostrata . Information is included on the disease caused by the organism, its transmission, geographical distribution, and hosts. HOSTS: On graminicolous hosts and on Amaryllis, Carica, Cucumis, Jasminum, Nicotiana and from soil. DISEASE: Causes leaf spots, foot rot of wheat (56, 2446), seedling blight of Cynodon (46, 2051), leaf blight of Eleusine (46, 1263), damping-off of sugarcane seedlings (50, 1562 l ), stalk rot (53, 2167) and ear rot of maize, blackening of seeds and seed germination failure (34, 91; 51, 2435). GEOGRAPHICAL DISTRIBUTION: Africa (Mauritius, Nigeria, S. Africa, Sudan); Asia (China, India, Israel, Pakistan); Central America (Puerto Rico); Europe (Denmark); North America (USA). TRANSMISSION: The fungus is soil-borne and can survive saprophytically for a long period (43, 398). Also seed transmissible (51, 2435). Conidia are produced abundantly in moist conditions and are dispersed by wind and rain, and act as a source of primary infection. Many grasses and weeds act as collateral hosts (39, 321).
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