Mbaye Ndiaye: "Ecology and management of charcoal rot (Macrophomina phaseolina) on cowpea in the Sahel"

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15 Jun 2007 16:00
Unit: Wageningen University
Location: Aula, building 362, Gen. Foulkesweg 1, Wageningen
Organisation: Wageningen University
Promotor: prof.dr.ir. A.H.C. Van Bruggen (Biological Farming Systems)
Co Promotor: Dr.ir. A.J. Termorshuizen

 The Sahel is a larger area bordering the Sahara desert. The region is characterized by low and erratic annual rainfall (200-500 mm) and low organic matter content of soils. Consequently cowpea is one of rare crops that can grow successfully in this area. The yield at farmer’s field is low. Charcoal rot disease is one of the factors that limit the production causing  wilt and plant death. We investigated control methods based on organic mater amendment and crop rotation to reduce outbreaks caused by the pathogen in the Sahel. Our results indicate that good control of charcoal rot of cowpea can be achieved by including fonio in the cowpea/millet rotation scheme and amendment with compost supplemented by a bioagent. Paunch contents amendment combined or not with solarization reduced disease severity, doubles cowpea production and contributes to the management of paunch waste from slaughter houses in big cities. It also improves soil fertility.
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