Abstract
Abstract A description is provided for Fusarium nygamai . Information is included on the disease caused by the organism, its transmission, geographical distribution, and hosts. HOSTS: Typically isolated from soil, roots of sorghum, millet, cotton, Phaseolus , etc. and plant debris. Reported to infect Striga hermonthica in sorghum (Abbasher & Sauerborn, 1992). DISEASE: Not normally regarded as an economic plant pathogen, although it may cause reduction in Striga population levels. Occasionally an opportunistic pathogen of humans (Krulder et al. , 1996). GEOGRAPHICAL DISTRIBUTION: Africa: Egypt, Namibia, Nigeria, Republic of South Africa, Sudan, Zimbabwe; Australasia: Australia (Queensland, New South Wales, Northern Territories), China (76, 4386), Malaysia (Salleh & Strange, 1988), Thailand; Americas: Puerto Rico, USA (75, 7565; 76, 6666). This species appears to be widespread in arid, tropical soils. TRANSMISSION: Conidia are dispersed locally by water flow and splash droplets. Chlamydospores may be dispersed by movement of contaminated soil or plant debris.
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