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    Influence of cereal legume rotation on Striga control and maize grain yield in farmers fields in the northern Guinea Savanna of Nigeria

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    Date
    2006
    Author
    Kureh, I.
    Kamara, A.Y.
    Tarfa, B.D.
    Type
    Journal Article
    Metadata
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    Abstract/Description
    On-farm trials were conducted in 2001, 2002, and 2003 in the northern Guinea savanna of Nigeria to evaluate integrated Striga hermonthica control measures under farmermanaged conditions. These included intercropping a Striga-resistant maize variety with cowpea for 3 years and also cropping this maize in rotation with legume trap crops - soybean and cowpea for 1-2 two years. Intercropping Striga-tolerant maize variety, Acr. 97TZL Comp. 1-W, with cowpea (Vigna unguiculata L.) consistently reduced Striga infestation in maize relative to continuously cropped sole maize over the threeyear period. Maize grain yield was lower in the intercrop than in the sole maize plot probably due to competition from cowpea. However, because of the high value of cowpea in the intercrop, crop value for this system was higher than sole cropped maize. Legume-maize rotation reduced Striga infestation by 35% after one year of legumes in the rotation and by 76% after two years of legumes in the rotation. Soybean was more effective in reducing Striga infestation and also gave higher maize grain yield than cowpea. The rotation of these two legumes with maize had clear advantage over continuously cropped maize. Farmers should therefore be encouraged to adopt the introduction of grain legumes into the cereal cropping systems of the Nigerian savanna.
    Permanent link to this item
    https://hdl.handle.net/20.500.12478/3081
    IITA Subjects
    Nutrition; Diseases Control; Handling, Transport, Storage And Protection Of Agricultural Products; Farm Management; Impact Assessment; Plant Diseases; Smallholder Farmers; Food Security; Livelihoods; Pests Of Plants; Plant Breeding; Maize; Plant Production
    Agrovoc Terms
    Maize; Soybeans; Cowpeas; Cereal-Legume Rotation; Intercropping; Striga
    Regions
    Africa; West Africa
    Countries
    Nigeria
    Collections
    • Journal and Journal Articles4836
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