A 2-year (1997–1998) study was conducted at Kouaré, Burkina Faso, to investigate effect of growth medium and application method of Fusarium oxysporum isolate 4-3-B to control Striga hermonthica. In 1997, growth medium and isolate 4-3-B delayed striga emergence by 9 days. Isolate 4-3-B reduced emerged striga number by 33% compared to treatments without Fusarium. In 1998, striga emergence was delayed by 13 days by growth medium and Fusarium. The fungus reduced the number of emerged striga by 27% and, as a result, sorghum straw and grain yields were significantly improved by 10 and 38%, respectively.
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Yonli et al. (2004) studied this question.
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