Abstract
Fusarium oxysporum (isolate PSM 197) based mycoherbicide was evaluated for its efficacy under field conditions in trials conducted during 1999--2001 cropping seasons in the Nigerian savanna. In the 1999 cropping season, spot application of 5--10 g of mycoherbicide was found to give effective control of Striga hermonthica. Results of on-farm trials at Barhim and Dutsen-Ma areas showed the application of the mycoherbicide to significantly (p= 0.05) increase stand count at both 3 weeks and at harvest, reduced Striga shoot count and increased crop yield in both improved and local sorghum varieties, as compared with the same varieties not treated with the mycoherbicide. Results establish the efficacy of F. oxysporum as a mycoherbicide and the need for further development of the mycoherbicide into formulated granules or seed treatment for use in control of S. hermonthica under field conditions.
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Marley, P.S., Shebayan, J.A.Y. Field assessment of Fusarium oxysporum based mycoherbicide for control of Striga hermonthica in Nigeria. Biocontrol 50, 389–399 (2005). https://doi.org/10.1007/s10526-004-0461-9
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DOI: https://doi.org/10.1007/s10526-004-0461-9